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Black line illustration of a 21 Star United States flag. The additional star represents the state of Illinois. This flag was in use from July 04, 1819 until July 3, 1820.

21 Star United States Flag, 1819

Black line illustration of a 21 Star United States flag. The additional star represents the state of…

Black line illustration of a 23 Star United States flag. The additional stars represent the states of Alabama and Maine. This flag was in use from July 04, 1820 until July 3, 1822.

23 Star United States Flag, 1820

Black line illustration of a 23 Star United States flag. The additional stars represent the states of…

Black line illustration of a 24 Star United States flag. The additional star represents the state of Missouri. This flag was in use from July 04, 1822 until July 3, 1836.

24 Star United States Flag, 1822

Black line illustration of a 24 Star United States flag. The additional star represents the state of…

Black line illustration of a 25 Star United States flag. The additional star represents the state of Arkansas. This flag was in use from July 04, 1836 until July 3, 1837.

25 Star United States Flag, 1836

Black line illustration of a 25 Star United States flag. The additional star represents the state of…

Black line illustration of a 26 Star United States flag. The additional star represents the state of Michigan. This flag was in use from July 04, 1837 until July 3, 1845.

26 Star United States Flag, 1837

Black line illustration of a 26 Star United States flag. The additional star represents the state of…

Black line illustration of a 28 Star United States flag. The additional star represents the state of Texas. This flag was in use from July 04, 1846 until July 3, 1847.

28 Star United States Flag, 1846

Black line illustration of a 28 Star United States flag. The additional star represents the state of…

Black line illustration of a 29 Star United States flag. The additional star represents the state of Iowa. This flag was in use from July 04, 1847 until July 3, 1848.

29 Star United States Flag, 1847

Black line illustration of a 29 Star United States flag. The additional star represents the state of…

Black line illustration of a 30 Star United States flag. The additional star represents the state of Wisconsin. This flag was in use from July 04, 1848 until July 3, 1851.

30 Star United States Flag, 1848

Black line illustration of a 30 Star United States flag. The additional star represents the state of…

Black line illustration of a 31 Star United States flag. The additional star represents the state of California. This flag was in use from July 04, 1851 until July 3, 1858.

31 Star United States Flag, 1851

Black line illustration of a 31 Star United States flag. The additional star represents the state of…

Black line illustration of a 32 Star United States flag. The additional star represents the state of Minnesota. This flag was in use from July 04, 1858 until July 3, 1859.

32 Star United States Flag, 1858

Black line illustration of a 32 Star United States flag. The additional star represents the state of…

Black line illustration of a 33 Star United States flag. The additional star represents the state of Oregon. This flag was in use from July 04, 1859 until July 3, 1861.

33 Star United States Flag, 1859

Black line illustration of a 33 Star United States flag. The additional star represents the state of…

Black line illustration of a 34 Star United States flag. The additional star represents the state of Kansas. This flag was in use from July 04, 1861 until July 3, 1863.

34 Star United States Flag, 1861

Black line illustration of a 34 Star United States flag. The additional star represents the state of…

Black line illustration of a 35 Star United States flag. The additional star represents the state of West Virginia. This flag was in use from July 04, 1863 until July 3, 1865.

35 Star United States Flag, 1863

Black line illustration of a 35 Star United States flag. The additional star represents the state of…

Black line illustration of a 36 Star United States flag. The additional star represents the state of Nevada. This flag was in use from July 04, 1865 until July 3, 1867.

36 Star United States Flag, 1865

Black line illustration of a 36 Star United States flag. The additional star represents the state of…

Black line illustration of a 37 Star United States flag. The additional star represents the state of Nebraska. This flag was in use from July 04, 1867 until July 3, 1877.

37 Star United States Flag, 1867

Black line illustration of a 37 Star United States flag. The additional star represents the state of…

Black line illustration of a 38 Star United States flag. The additional star represents the state of Colorado. This flag was in use from July 04, 1877 until July 3, 1890.

38 Star United States Flag, 1877

Black line illustration of a 38 Star United States flag. The additional star represents the state of…

Black line illustration of a 43 Star United States flag. The additional stars represent the states of Idaho, Montana, North Dakota, South Dakota, and Washington. This flag was in use from July 04, 1890 until July 3, 1891.

43 Star United States Flag, 1890

Black line illustration of a 43 Star United States flag. The additional stars represent the states of…

Black line illustration of a 44 Star United States flag. The additional star represents the state of Wyoming. This flag was in use from July 04, 1891 until July 3, 1896.

44 Star United States Flag, 1891

Black line illustration of a 44 Star United States flag. The additional star represents the state of…

Black line illustration of a 45 Star United States flag. The additional star represents the state of Utah. This flag was in use from July 04, 1896 until July 3, 1908.

45 Star United States Flag, 1896

Black line illustration of a 45 Star United States flag. The additional star represents the state of…

Black line illustration of a 46 Star United States flag. The additional star represents the state of Oklahoma. This flag was in use from July 04, 1908 until July 3, 1912.

46 Star United States Flag, 1908

Black line illustration of a 46 Star United States flag. The additional star represents the state of…

Black line illustration of a 48 Star United States flag. The additional stars represent the states of Arizona and New Mexico. This flag was in use from July 04, 1912 until July 3, 1959.

48 Star United States Flag, 1912

Black line illustration of a 48 Star United States flag. The additional stars represent the states of…

Black line illustration of a 49 Star United States flag. The additional star represents the state of Alaska. This flag was in use from July 04, 1959 until July 3, 1960.

49 Star United States Flag, 1959

Black line illustration of a 49 Star United States flag. The additional star represents the state of…

Black line illustration of a 50 Star United States flag. The additional star represents the state of Hawaii. This flag has been used since July 04, 1960.

50 Star United States Flag, 1960

Black line illustration of a 50 Star United States flag. The additional star represents the state of…

"A. grandis (Grand Fir) - Fig. 60.- tree, 200-300ft.: trunk becoming 4ft. in diam. lvs. thin and flexable, deeply grooved, very dark green above and silvery white beneath: cones cylindrical, 2-4 in. long, rounded or retuse at the apex, the broad scales somewhat squarrose and irregularly serrate and furnished with a short point." L.H. Bailey, 1917

Grand Fir Tree Cone

"A. grandis (Grand Fir) - Fig. 60.- tree, 200-300ft.: trunk becoming 4ft. in diam. lvs. thin and flexable,…

Skadi is a giantess and daughter of Thiassi who was killed while chasing Loki because of a trick. Skadi asks the gods for something in return for the loss of her father. They let her choose a husband by looking at only the gods' feet. She chooses a pair of white, slim feet which belong to Niord, the wind god.

Skadi Chooses a Husband

Skadi is a giantess and daughter of Thiassi who was killed while chasing Loki because of a trick. Skadi…

"Two stars in the Big Dipper opposite the handle indicate the direction toward the North Star, which, though not very bright, is the first very noticeable star in line." -Wiswell, 1913

Finding the North Star

"Two stars in the Big Dipper opposite the handle indicate the direction toward the North Star, which,…

People driving in a car arrive at their destination and read the sign.

Driving a Car

People driving in a car arrive at their destination and read the sign.

An illustration of a mace also known as the holy water sprinkler and morning-star mace.

Holy Water Sprinkler Mace

An illustration of a mace also known as the holy water sprinkler and morning-star mace.

"Carpodacus. Purple Bullfinch. Bill smaller and less turgid than in Pinicol or Pyrrhula, more regularly conic and more acute; sides convex in all directions, but with distinct ridge prolonged in a point on forehead where not concealed by the antiae, its outline moderately curved; commissure decidedly angulated, about straight before and behind the bend; gonys quite straight. Nasal ruff little developed, barely cocealing the slight nasal fossae, thence falling over sides of bill, but discontinuous across culmen." Elliot Coues, 1884

The Bill of a Purple Finch

"Carpodacus. Purple Bullfinch. Bill smaller and less turgid than in Pinicol or Pyrrhula, more regularly…

"Ammodramus. Seaside Sparrow. Bill remarkably slender and lengthened for this family, with culmen toward end, gonys straight, and sometimes an evident lobation of the cutting edge of the upper mandible. Wings short and rounded, yet longer than tail; inner secondaries, though not elongate, reaching nearly to end of primaries when wing is closed; point formed by 2d-4th quills. Feet large and stout, reaching outstretched about to the end of tail; tarsus about equal to middle toe and claw in length; lateral toes of equal lengths, very short, their claws under reaching base of middle claw. Tail shorter or not longer than wings, much rounded, of narrow, stiffish, sharp-pointed feathers. Embracing small streaky marsh sparrows, especially of the sea-coast, but not exclusively maritime, as long supposed; remarkable for slenderness of the bill, sharp narrow tail-feathers, and stout feet fitted for grasping slender swaying reeds. Edge of wing bright yellow; a yellow spot of buff stripe on head; upper parts olive-gray or quite blackish, streaky." Elliot Coues, 1884

The Details of a Seaside Sparrow

"Ammodramus. Seaside Sparrow. Bill remarkably slender and lengthened for this family, with culmen toward…

An illustration of a man sitting on the shore of a lake and a child standing behind him pointing into to the water.

Man Sitting & Child Standing Near Lake

An illustration of a man sitting on the shore of a lake and a child standing behind him pointing into…

An illustration of a young girl sitting in in a ornately carved chair needle pointing.

Young Girl Needle Pointing

An illustration of a young girl sitting in in a ornately carved chair needle pointing.

This is the plan of the Cathedral at Mainz, Germany. It is an example of Romanesque and Gothic architecture. The scale is in feet. Construction was started in AD 975. In Germany and Italy up until this point in architecture open timber roofing or flat ceilings were being used, however this problem was "solved in Germany, as well as in Italy, [with the] vaulting over the nave, and the cathedrals of Spires, Worms and Mainz are the three most important churches in which this was accomplished."

Plan of Cathedral at Mainz, AD 976

This is the plan of the Cathedral at Mainz, Germany. It is an example of Romanesque and Gothic architecture.…

This is a plan of the Cathedral at Würms, Germany. It is an example of Romanesque and Gothic architecture in Germany. The scale is in feet. Construction was started in AD 1000 and continued until 1025. In Germany and Italy up until this point in architecture open timber roofing or flat ceilings were being used, however this problem was "solved in Germany, as well as in Italy, [with the] vaulting over the nave, and the cathedrals of Spires, Worms and Mainz are the three most important churches in which this was accomplished,"

Plan of Cathedral at Worms, AD 1000–1025

This is a plan of the Cathedral at Würms, Germany. It is an example of Romanesque and Gothic architecture…

This is a plan of the Cathedral of Spires (Speyer), Germany. It is an example of Romanesque and Gothic architecture in Germany. The scale is in feet. Construction lasted from 1030 to 1061, and it was planned by Conrad II. In Germany and Italy up until this point in architecture open timber roofing or flat ceilings were being used, however this problem was "solved in Germany, as well as in Italy, [with the] vaulting over the nave, and the cathedrals of Spires, Worms and Mainz are the three most important churches in which this was accomplished,"

Plan of Cathedral of Spires, 1030–1061

This is a plan of the Cathedral of Spires (Speyer), Germany. It is an example of Romanesque and Gothic…

"The letter C marks the point where the vessel to be exhausted is attached." -Century, 1889

Mercury Air-Pump

"The letter C marks the point where the vessel to be exhausted is attached." -Century, 1889

"A more determined imitation of Roman architecture is subsequently perceptible in the productions of San Michele during the first half of the sixteenth century. The conceptions of this architect had a considerable influence on his contemporaries and successors, and display a certain independence and originality." The Palazzo Grimani di San Luca is a Renaissance building in Venice, Italy. It is located on the Rio di San Luca channel of the city, at the point in which it flows into the Canal Grande. The palace was built in the mid-16th century for procurator Gerolamo Grimani by architect Michele Sanmicheli, and completed after his death by Gian Giacomo de' Grigi, known as "il Bergamasco".

Grimani Palace at Venice

"A more determined imitation of Roman architecture is subsequently perceptible in the productions of…

"Palladio, who became the special champion of this style of architecture, was born in Vicenza in 1518, and died in 1580. He was undoubtedly a man of great talent, and, after Michelangelo, exercised, perhaps, more influence than anyone else on architecture. Still the introduction of great confusion of ideas is attributable to this architect, for he adorned buildings of every kind and of the building as a whole, so that the order was frequently carried up through several storeys without any reference to its arrangement. But although these reproductions of columns and the employment of pilasters were meaningless in themselves, they served, in a merely decorative point of view, to give a striking appearance to the buildings." Palazzo Valmarana is a patrician palace in Vicenza, Italy, built by architect Andrea Palladio in 1565 for the noble Isabella Nogarola Valmarana.

Palace at Vicenza

"Palladio, who became the special champion of this style of architecture, was born in Vicenza in 1518,…

"Ideal plan of the double-ringed body of a vertebrate. N, neural canal; H, haemal canal; the body separating them is the centrum of any vertebra, bearing e, and epapophysis, and y, a hypapophysis; n, n, neurapophyses; d, d, diapophyses; ns, bifid neural spine; pl, pl, pleurapophyses; h, h, haemapophyses; hs, bifid haemal spine. Drawn by Dr. R. W. Shufeldt, USA, After Owen. The Axial Skeleton of a bird or any vertebrated animal, that is, one having a back-bone, exhibits in cross-section two rings or hoops, one above and the other below a central point, like the upper and lower loops of a figure 8. The upper ring is the neural arch, so called because such cylinder encloses a section of the cerebro-spinal axis, or principal nervous system of a vertebrate (brain and spinal cord, whence arise all the nerves of the body, excepting those of the sympathetic nervous system). The lower ring is the haema arch, which similarly contains a section of the principal blood vessals and viscera.

Axial Skeleton

"Ideal plan of the double-ringed body of a vertebrate. N, neural canal; H, haemal canal; the body separating…

"The purity of style, however, of the Genoese palaces is not so great as in the Roman, particularly as regards the heavy, ungraceful forms of details. This is shown by [this image], and there are other instances in which the faults are more marked than in the palaces in question. The palaces of Genoa may, however, be favorably contrasted with the Roman as regards height; for ground-floor and the mezzanine are raised considerably, in order to gain more light and a better view from the main storey. Owing, however, to the extreme narrowness of the streets and the consequent difficulty in obtaining a satisfactory point of view, the object is not obtained to the desired degree."

Half the Façade of a Palace at Genoa

"The purity of style, however, of the Genoese palaces is not so great as in the Roman, particularly…

"The purity of style, however, of the Genoese palaces is not so great as in the Roman, particularly as regards the heavy, ungraceful forms of details. This is shown by [this image], and there are other instances in which the faults are more marked than in the palaces in question. The palaces of Genoa may, however, be favorably contrasted with the Roman as regards height; for ground-floor and the mezzanine are raised considerably, in order to gain more light and a better view from the main storey. Owing, however, to the extreme narrowness of the streets and the consequent difficulty in obtaining a satisfactory point of view, the object is not obtained to the desired degree."

Façade of the Tursi-Doria Palace at Genoa

"The purity of style, however, of the Genoese palaces is not so great as in the Roman, particularly…

"The letter C marks the point where the vessel to be exhausted is attached." -Century, 1889The Merlin (Falco columbarius) is a smallish falcon that breeds in northern North America, Europe and Asia. In North America it was once and sometimes still is colloquially called "pigeon hawk" though it is not very closely related to true hawks.

Merlin

"The letter C marks the point where the vessel to be exhausted is attached." -Century, 1889The Merlin…

"Another small family, characterized by the extreme length of the slender legs, and the extreme slenderness of the long acute bill, which is either straight or curved upward. Recurvirostra is a 4-toed, and full-webbed; the bill is decidedly recurved, flattened, and tapers to a needle-like point; the body is depressed; the plumage underneath is thickened as in water-birds. The species swim well. Himantopus is 3 toes, semipalmate, the bill nearly straight, and not flattened; in relative length of leg it is probably not surpassed by any bird whatsoever. " Elliot Coues, 1884

Avocets Head and Foot

"Another small family, characterized by the extreme length of the slender legs, and the extreme slenderness…

St Paul's Cathedral is the Anglican cathedral on Ludgate Hill, in the City of London, and the seat of the Bishop of London. The present building dates from the 17th century and is generally reckoned to be London's fifth St Paul's Cathedral, although the number is higher if every major medieval reconstruction is counted as a new cathedral. The cathedral sits on the highest point of the City of London, which originated as a Roman trading post situated on the River Thames. The cathedral is one of London's most visited sights.

St. Paul's London

St Paul's Cathedral is the Anglican cathedral on Ludgate Hill, in the City of London, and the seat of…

Borgund stave church is a stave church located in Borgund, Lærdal, Norway. It is classified as a triple nave stave church of the so-called Sogn-type. It was probably built in the end of the 12th century, and has not changed structure or had a major reconstruction since that date. The church site shows evidence of a previous building, which can point to an earlier church or perhaps an old pagan temple that had been taken into use as a church. The interior of the church, except for the pulpit and the altarpiece, is mainly free from the post-Reformation decorations seen in most other stave churches. An authentic medieval square-shaped baptismal font made of soapstone is still a part of the interior. Borgund stave church is owned by Fortidsminneforeningen (The Society for the Preservation of Norwegian Ancient Monuments). "The wood buildings of Norway lay claim to a certain monumental and historical importance, partly because they belong to the oldest class of buildings of this description, and partly owing to the purpose for which they were erected, namely, to serve as churches. The case is different as regards the merit of their artistic construction and beauty of shape, in both of which points the standard attained is not a high one, as shown by [this image]. The details principally show traces of the architectural styles prevalent at the time of their erection, viz., the Romanesque and Byzantine, while the main forms must be considered as the result of a severe climate. The perishable nature of the material employed was also naturally prejudicial to any advanced and regular development of architectural skills. From these causes the whole design assumed a pyramidal shape, whilst the climate necessitated mode of construction which is peculiar to the buildings in question. As a projection against its rigours the structures were surrounded by covered passages ornamented externally with those little arcades which are a distinguishing feature of the Romanesque style, whilst the roofs were necessarily very steep in shape on account of the heavy falls of snow, and were covered with wood shingles, tiles, or slates. The form of construction is rather rough, for the corners are generally formed of rude logs, whilst the walls between merely consist of upright boards jointed to one another. Churches of this description are know in Norway by the name of Fascine Churches. Although the construction is thus artless, yet an effort to enrich the whole by individual details and by employment of painted embellishments is frequently to be noticed. This especially effected by means of arabesque-like carvings on the doorways and gables."

Wood Church at Burgund

Borgund stave church is a stave church located in Borgund, Lærdal, Norway. It is classified as…

"Framed houses are especially numerous in the Harz Mountains in Germany. In the oldest specimens the ornamentation has affinity with the Gothic style, whilst the larger number show traces of the later Renaissance. The most characteristic feature of these buildings is that the storeys are not places perpendicularly one above another, but that each overhangs the one immediately beneath it. This overhanging construction gives scope for much external enrichment, and especially for that which forms the perpendicular ornament of these buildings, namely, the carved or fluted brackets which support the walls of the story above, and the spaces between these brackets [shown here]. The wall space below these is not always fluted or carved, but sometimes covered with a more or less ornamental outer coating of upright or sloping timbers."

Detail of a Bay-work House at Halberstadt

"Framed houses are especially numerous in the Harz Mountains in Germany. In the oldest specimens the…

An illustration of the front left tarsus of a penguin. "a, articular facet for inner condyle of tibia; b, articular facet for outer condyle; c, c, two foramina, showing incomplete fusion of three metatarsals; d, point of attachment of accessory metatarsal; 2, 3, 4, articular facets for second, third, and fourth toes." -Century, 1889

Front Left Tarsus of a Penguin

An illustration of the front left tarsus of a penguin. "a, articular facet for inner condyle of tibia;…

"Limosa fedoa. Great Marbled Godwit. Marlin. Feathers not extending on side of lower mandible to a point far beyond those on upper. no white anywhere; rump, tail, and its coverts barred throughout with blackish and the body-color. Lining of wings chestnut; axillars the same, more or less barred with black. General color rufous or light dull cinnamon-red, uniform and nearly uninterrupted on all the under parts, richer and more chestnut on the lining of the wings and axillars; somewhat marked with dusky on the sides of the breast and body; on the whole upper parts variegated with the brownish-black central field of each feather, the blackish predominating, leaving the rufous chiefly as scallops and tips of the feathers. This rufous very variable in intensity; usually paler on upper than on under parts, and strongest under the wings. Primaries rufous, successively darkening from the last to first, the outer webs and ends of the few outer ones blackish, the shaft of the first white. Bill livid flesh-colored, blackish on about terminal third; legs ashy-blackish." Elliot Coues, 1884

Marbled Godwit

"Limosa fedoa. Great Marbled Godwit. Marlin. Feathers not extending on side of lower mandible to a point…

"Somateria fischeri. Spectacled Eider. Bill (in both sexes) peculiar in the extension upon it of dense velvety feathers which reach to a point on the culmen beyond the nostrils, thence sweeping past the nostrils obliquely downward and backward to the commissure, the nostrils opening just beneath the line of feathers. Feathers of chin extending in a point nearly as far as those on culmen. A peculiarly dense and puffy patch of velvety feathers about the eye, suggesting spectacles; frontal feathers erect, pious, in the male somewhat stiffened; occipital feathers lengthened into a crest; these characters of the head-feathering best marked in the male, but indicated also in the female. Nail of bill distinct. Adult male: General color grayish-black, the neck and most of the back white; lesser and median wing-coverts, the curved tertials, the lining of the wings and axillars, white; flanks white. On the head, the white of the neck gives way to rich sea-green, especially on the occipital crest; the frontal feathers are also tinged with greenish; but the 'spectacles' are pure silvery white, framed in black. Bill, in the dried state, dingy yellowish; feet the same, with dusky webs." Elliot Coues, 1884

Spectacled Eider

"Somateria fischeri. Spectacled Eider. Bill (in both sexes) peculiar in the extension upon it of dense…

"Sterna dougalli. Roseate Tern. Paradise Tern. Bill about as long as head or foot, straight, slender, compressed, very acute; gonys longer than rami, former straight, latter concave in outline, with acute but not prominent angle between them. Wings shorter than usual, 1st primary little longer than next, all rounded. Tail exceedingly long and deeply forked, with very narrow filamentous outer feathers. Tibia slightly denuded; tarsus a little shorter than middle toe and claw. Whole form trim and elegant. Bill black, the extreme point yellowish, the base for a little distance, and inside of mouth, red. Feet bright yellowish-red; claws black. Cap lustrous black, very ample, reaching to lower border of eyes; under eyelid white, as is a streak to end of feathers on bill. Neck all around and entire under parts snowy white, tinted with lovely rose-pink. Mantle delicate pale pearly, over all the upper parts from the neck, including rump and base of tail, fading however to white on tips of tertials and inner webs of secondaries. Long tail-feathers white with a faint pearly tint. Primaries grayish-black, strongly silvered when fresh; outer web of the first blackish; inner webs of all pure white for more than half their breadth, this white stripe broadest on the first, toward the base of which it occupies the whole web, and on all of them continued to and usually around the very tips; shafts of all the quills white both sides nearly to end." Elliot Coues, 1884

Roseate Tern

"Sterna dougalli. Roseate Tern. Paradise Tern. Bill about as long as head or foot, straight, slender,…

"Sterna (T.) elegans. Elegant Tern. Princely Tern. Bill bright red, salmon-colored toward tip. Feet black; soles and under surfaces of claws slightly yellowish. crown of head, including long-flowing occipital crest, pure black, reaching down on the sides of the head to a straight line just on a level with the lower border of the eye; the white of the cheeks accompanying the black to the foremost point of extension of the feathers in the nasal fossae. All the under parts rosy-white, with satin gloss. Tail entirely pure white, longer and more deeply forked than in winter. Back and wings pale pearl-blue; the usual pattern of coloration of the primaries." Elliot Coues, 1884

Elegant Tern

"Sterna (T.) elegans. Elegant Tern. Princely Tern. Bill bright red, salmon-colored toward tip. Feet…

"Sterna aleutica. Aleutian Tern. Bill of ordinary shape, as in hirundo, macrura, etc., entirely black. Feet small, as in the species just named, but the webs more deeply incised; emargination not so great, however, as in Hydrochelidon; much as in Haliplana. Tibia bare to the usual extent. Wings and tail exactly as in Sterna proper, the latter, in its length and depth of fork, recalling macrura and forsteri. Crown and nape black; a large white frontal crescent, the horns of which reach to the posterior border of the eyes, the convexity of which extends into the nasal fossae, the concavity of which is opposite the anterior border of the eyes; thus broader than in most species similarly marked. The black vertex sends through the eye a band that crosses the cheeks and reaches the bill just posterior to the point of greatest extension of the feathers on the latter. The chin, auriculars, and other parts of the head bordering this vitta below, and pure white, presently deepening insensibly into the hue of the under parts. Tail wholly pure white; no pearly wash on either vane of any of the feathers. Upper parts at large dark pearl-gray, with a dull leaden hue, different from the clear pearly of macrura, etc., yet not of the smoky cast of panayensis, etc.; it is a tint intermediate between these, that I find difficult to name satisfactorily. The whole under parts, from the white of the chin, just noticed, to the under tail-coverts, paler and more decidedly pearly, more nearly as in full-plumaged macrura, yet more grayish. Both under and upper tail-coverts, like the tail, white. The color of the back mounts on the neck behind to the black of the nape without intervention of the white. Under wing-coverts and edge of wing pure white; as are all the shafts of the primaries. Primaries blackish lead-color, with silvery hoariness, and each with a large white space on inner web; this white space on the first primary occupies at the base the whole width of the inner web, but grows narrower toward the tip of the feather, ending about an inch from the tip, which is wholly blackish lead-color, this color running down as a narrow margining of the inner vane for two inches or more." Elliot Coues, 1884

Aleutian Tern

"Sterna aleutica. Aleutian Tern. Bill of ordinary shape, as in hirundo, macrura, etc., entirely black.…

This is a 14th century weaving design. It consists of star and floral patterns that are connected.

13th Century Weave Design

This is a 14th century weaving design. It consists of star and floral patterns that are connected.

"Schizognathous skull of common fowl, nat. size, from nature, by Dr. R.W. Shufeldt, U.S.A. Letters as before; Pa, palatine. Schizognathism is a kind of " cleft palate" shown by the columbine and gallinaceous birds, by the wader at large, and many of the swimmers. In this general case, the vomer, whether large or small, tapers to a point in front, while behind it embraces the basisphenoidal rostrum, between the palatines; these bones and the pterygoids are directly articulated with one another and with the basisphenoidal rostrum, not being borne upon the divergent posterior ends of the vomer; the maxillo-palatines, usually elongated and lamelar, pass inwards over (under, when the skull is viewed upside-down, as it usually is) the anterior part of the palatines, with which they unite and then bend backwards, along the inner edge of the palatines, leaving a broader or narrower fissure between themselves and the vomer, on each side, and do not unite with one another or with the vomer." Elliot Coues, 1884

Common Fowl Skull

"Schizognathous skull of common fowl, nat. size, from nature, by Dr. R.W. Shufeldt, U.S.A. Letters as…

"Desmognathous skull of mallard duck, Anas boscas, nat. size, from nature, by Dr. R.W. Shufeldt, U.S.A. Letters before. In the "bound-palate" type, the vomer in either abortive, or so small that it disappears; when existing it is usually slender and tapers to a point in front; the maxillo-palatines are united across the median line, either directly or by means of ossification in the nasal septum; the posterior ends of the palatines and the anterior ends of the pterygoids articulate directly with the rostrum (as in schizognathism). This type is simply and perfectly exhibited by a duck in which the maxillo-palatine is a broad flat plate united with its fellow in mid-line; the oval sessile basipterygoid facets are far forward, opposite the very ends of the pterygoids." Elliot Coues, 1884

Mallard Duck Skull

"Desmognathous skull of mallard duck, Anas boscas, nat. size, from nature, by Dr. R.W. Shufeldt, U.S.A.…

"Fratercula corniculata Horned Masking Puffin. Crown of head grayish-black, narrowing to a point at base of culmen. Sindes of head white; the postocular furrow and sides of lower jaw ashy. A distinct narrow line of white along edge of fore-arm. Entire upper parts glossy blue-black; a sootier shade of black encircling the fore-neck, running forward on throat to bill. Other under parts white, except a few elongated blackish feathers on sides of flanks. Lining of wings pearly-ash. Bill entirely vermilion-red, even the basal collar; edges of eyelids red; excrescences of eyelids bluish-gray; iris brown; feet orange-red, the webs tinged with vermilion; claws brownish-black; rosette of mouth bright yellow-orange. Lunda cirrata. Tufted Puffin. Crests about 4 inches long, straw-yellow, some of the posterior feathers black at base; these bundles of silky, glossy feathers with very delicate shafts and loosened webs; they chiefly sprout from what corresponds to the furrow in the plumage of F. artica. Face white, broadly of this color on sides of head to beyond eyes (as far as the crests), narrowly across forehead and chin, the bill being thus entirely surrounded by white. Crown between the crests, and entire upper parts, excepting the extreme forehead and a line along the forearm, glossy blue-black. Entire under parts, excepting extreme chin, and including sides of hind head and sides of neck, sooty brownish-black, more grayish on the belly, the lining of wings smoky-gray, the under tail-coverts quite black. Wings and tail black, their inner webs brownish-black, the shaft of the primary whitish underneath near base. Bill, feet, and eye-ring vermilion-red; the basil parts of the bill when about to desquamate showing more yellowish or enamel color, or even showing the living color of the subjacent membrane. Rosette of mouth yellow. Claws black." Elliot Coues, 1884

Horned and Tufted Puffins

"Fratercula corniculata Horned Masking Puffin. Crown of head grayish-black, narrowing to a point at…

"Alca Impennis. The Great Auk. A great white oval spot between eye and bill. Hood and mantle dark; under parts white, extending in a point on the throat; ends of secondaries white. Bill black, with white grooves; feet dark." Elliot Coues, 1884

Great Auk

"Alca Impennis. The Great Auk. A great white oval spot between eye and bill. Hood and mantle dark; under…

This is the Plan of Principal Floor of the Houses of Parliament in Westminster, England. Other wise known as Westminster Palace, It is an example of Modern English Architecture. The architect was Sir Charles Barry. Construction lasted from 1836 to 1868. The Houses of Parliament is located on the River Thames. The scale is given in feet. "Barry's great building, the Houses of Parliament, with which his name will always be more especially associated, comes accidentally, though not by natural development nor by his own choice, under the head of the Gothic revival. The style of Tudor Gothic was dictated to the competitors, apparently from a mistaken idea that the building ought to "harmonize" with the architecture of Henry VII.'s chapel adjacent to the site. Had Barry been left to himself, there is no doubt that the Houses of Parliament, with the same main characteristics of plan and grouping, would have been a classic type of detail, and would possibly have been still a finer building than it is; and since the choice of the Gothic style in this case was not a direct consequence of the Gothic revival movement, it may be considered separately from that. The architectural greatness of the building consists, in the first place, in the grand yet simple scheme of Barry's plan, with the octagon hall in the centre, as the meeting-point for the public, the two chambers to north and south, and the access to the committee-rooms and other departments subordinate to the chambers. The plan in itself is a stroke of genius, and had been more or less imitated in buildings for similar purposes all over the world; the most important example, the Parliament House of Budapest, being almost a literal copy of Barry's plan. Thus, as in all great architecture, the plan is the basis of the whole scheme, and upon it is built up a most picturesque and expressive grouping, arising directly out of the plan. The two towers are most happily contrasted as expressive of their differing purposes; the Victoria Tower is the symbol of the State entrance, a piece of architectural display solely for the sake of a grand effect; the Clock Tower is a utilitarian structure, a lofty stalk to carry a great clock high in the air; the two are differentiated accordingly, and the placing of them at opposite ends of the structure has the fortunate effect of indicating, from a distance, the extent of the plan. The graceful spire in the centre offers an effective contrast to the masses of the two towers, while forming the outward architectural expression of the octagonal hall, which is, as it were, the keystone of the plan."

Houses of Parliament, Westminster; Plan of Principal Floor

This is the Plan of Principal Floor of the Houses of Parliament in Westminster, England. Other wise…

Star with 5 points with lines of symmetry.

Star, 5-Point

Star with 5 points with lines of symmetry.

Star with 6 points with lines of symmetry.

Star, 6-Point

Star with 6 points with lines of symmetry.