"A reservoir or storehouse for gas, especially for the ordinary illuminating gas produced in gasworks, which supplies the various pipes employed in lighting streets and houses." -Whitney, 1911

Gasometer

"A reservoir or storehouse for gas, especially for the ordinary illuminating gas produced in gasworks,…

"Dorsal View of Gastrochaena. The ventral view shows the dried mantle with pedal perforation." -Whitney, 1911

Dorsal View of Gastrochaena

"Dorsal View of Gastrochaena. The ventral view shows the dried mantle with pedal perforation." -Whitney,…

"Ventral View of Gastrochaena. The ventral view shows the dried mantle with pedal perforation." -Whitney, 1911

Ventral View of Gastrochaena

"Ventral View of Gastrochaena. The ventral view shows the dried mantle with pedal perforation." -Whitney,…

"Lateral View of Gastrochaena. The ventral view shows the dried mantle with pedal perforation." -Whitney, 1911

Lateral View of Gastrochaena

"Lateral View of Gastrochaena. The ventral view shows the dried mantle with pedal perforation." -Whitney,…

"Gastrula of a Chalk-sponge (Olynthus). A, external view." -Whitney, 1911

Chalk Sponge Gastrula

"Gastrula of a Chalk-sponge (Olynthus). A, external view." -Whitney, 1911

"Gastrula of a Chalk-sponge (Olynthus). B, longitudinal section through the axis: g, primitive intestine; o, blastopore; i, inner cell-layer of the body-wall; e, outer cell-layer." -Whitney, 1911

Chalk Sponge Gastrula

"Gastrula of a Chalk-sponge (Olynthus). B, longitudinal section through the axis: g, primitive intestine;…

"Gastrulation of an Ascidian. I. Vesicular Morula of an Ascidian flattened and about to undergo gastrulation. II. Gastrulation effected. fh, cavity of the morula, or blasto-invagination; ch, dd, large blastomeres of the hypoblast, inclosed in small blastomeres of the epiblast." -Whitney, 1911

Sea Squirt Gastrulation

"Gastrulation of an Ascidian. I. Vesicular Morula of an Ascidian flattened and about to undergo gastrulation.…

"Gate-tower or Barbican, Walmgate Bar, York, England. In medieval fortification, a tower built beside or over a gate, as of a city, etc., for the purpose of defending the passage." -Whitney, 1911

Barbican of Walmgate Bar

"Gate-tower or Barbican, Walmgate Bar, York, England. In medieval fortification, a tower built beside…

"Gauntlet of plate, early 14th century. In medieval armor, a glove of defense." -Whitney, 1911

Gauntlet of Plate

"Gauntlet of plate, early 14th century. In medieval armor, a glove of defense." -Whitney, 1911

"Gauntlet of plate, later 14th century. In medieval armor, a glove of defense." -Whitney, 1911

Gauntlet of Plate

"Gauntlet of plate, later 14th century. In medieval armor, a glove of defense." -Whitney, 1911

"Gauntlet of mail forming part of the hauberk, 13th century. In medieval armor, a glove of defense." -Whitney, 1911

Gauntlet of Mail

"Gauntlet of mail forming part of the hauberk, 13th century. In medieval armor, a glove of defense."…

"A narrow flat-bottomed fishing-boat having an outrigger, much used in Annam" (Vietnam). -Whitney, 1911

Annam

"A narrow flat-bottomed fishing-boat having an outrigger, much used in Annam" (Vietnam). -Whitney, 1911

"Gazzetta of the Ionian islands, 1801. A small copper coin, worth about 3 farthings, made in Venice for the Ionian islands." -Whitney, 1911

Obverse and Reverse Sides of a Gazzetta

"Gazzetta of the Ionian islands, 1801. A small copper coin, worth about 3 farthings, made in Venice…

"A zodiacal constellation, giving its name to a sign of the zodiac, lying east of Taurus, on the other side of the Milky Way." -Whitney, 1911

Gemini

"A zodiacal constellation, giving its name to a sign of the zodiac, lying east of Taurus, on the other…

"Genouillère, middle of 13th century. The knee-piece, of hammered iron, introduced toward the close of the thirteenth century, and worn at first over the chausses of mail, being held in place by a strap passing round the leg, and consisting at first of a dish-shaped or slightly pointed roundel." -Whitney, 1911

Genouillère

"Genouillère, middle of 13th century. The knee-piece, of hammered iron, introduced toward the…

"Genouillère, middle of 13th century. An articulated piece forming a part of the jambe or of the cuissart in the fourteenth century, and later furnished with large wings which projected backward on each side of the knee-joint." -Whitney, 1911

Genouillère

"Genouillère, middle of 13th century. An articulated piece forming a part of the jambe or of…

"A concretionary stone or pebble, hollow inside, and often having the walls of the cavity lined with crystals." -Whitney, 1911

Quartz Geode

"A concretionary stone or pebble, hollow inside, and often having the walls of the cavity lined with…

"Under Side of Head of Geomys bursarius, showing entrance of external cheek-pouches and sulcate superior incisors." -Whitney, 1911

Plains Pocket Gopher

"Under Side of Head of Geomys bursarius, showing entrance of external cheek-pouches and sulcate superior…

"Geopinus incrassatus. GEOPINUS. A genus of caraboid beetles, of the subfamily Harpalinae, having the left mandible longer than the other and overlapping it." -Whitney, 1911

Caraboid Beetle

"Geopinus incrassatus. GEOPINUS. A genus of caraboid beetles, of the subfamily Harpalinae, having the…

"Obverse. George-noble of Henry VIII. GEORGE-NOBLE. An English gold coin of the reign of Henry VIII., worth at the time 6s. 8d. The name George (derived from the figure of St. George on the obverse of the coin) was given it to distinguish it from the earlier English gold coins named nobles." -Whitney, 1911

Obverse Side of George-Noble

"Obverse. George-noble of Henry VIII. GEORGE-NOBLE. An English gold coin of the reign of Henry VIII.,…

"Reverse. George-noble of Henry VIII. GEORGE-NOBLE. An English gold coin of the reign of Henry VIII., worth at the time 6s. 8d. The name George (derived from the figure of St. George on the obverse of the coin) was given it to distinguish it from the earlier English gold coins named nobles." -Whitney, 1911

Reverse Side of George-Noble

"Reverse. George-noble of Henry VIII. GEORGE-NOBLE. An English gold coin of the reign of Henry VIII.,…

"Drone-beetle (Geotrypes splendidus). GEOTRYPES. A Fabrician genus of beetles typical of the family Geotrypidae." -Whitney, 1911

Drone Beetle

"Drone-beetle (Geotrypes splendidus). GEOTRYPES. A Fabrician genus of beetles typical of the family…

"Gerbillus longifrons. GERBILLUS. The typical and leading genus of Gerbillinae, containing upward of 40 species." -Whitney, 1911

Long-Fronted Gerbil

"Gerbillus longifrons. GERBILLUS. The typical and leading genus of Gerbillinae, containing upward of…

"Reproductive Organs of a Trematoid Worm (Aspidogaster conchicola). d, germarium; e, internal vas deferens; f, common vitellarian duct; i, k, oviduct; l, portion of uterus; m, testis." -Whitney, 1911

Reproductive Organs of Trematoid Worm

"Reproductive Organs of a Trematoid Worm (Aspidogaster conchicola). d, germarium; e, internal vas deferens;…

"Seeds Germinating. The central figure shows a plant which has newly appeared above ground." -Whitney, 1911

Germination

"Seeds Germinating. The central figure shows a plant which has newly appeared above ground." -Whitney,…

"GEYSERITE. The variety of opaline silica deposited about the orifices of geysers. It occurs white or grayish, porous, in stalactitic, filamentous, or cauliflower-like forms." -Whitney, 1911

Geyserite

"GEYSERITE. The variety of opaline silica deposited about the orifices of geysers. It occurs white or…

"In India, a path of descent, landing-place, or stairway to a river, generally having at the summit a temple, pagoda, or place of rest and recreation. Ghats about especially along the Ganges, the most important being at Benares." -Whitney, 1911

Ghoosla Ghat in Benares

"In India, a path of descent, landing-place, or stairway to a river, generally having at the summit…

"Gill of Fish. A, first branchial arch of left side of black-bass: 1, gill-rakers; 2, branchial lamellae. C, same, in cross-section: 7, branchial lamellae; 8, a gill-raker. B, same arch of striped-bass, with appendages removed: 3, 4, 5, and 6, pharyngobranchial, epibranchial, ceratobranchial, and hypobranchial segments." -Whitney, 1911

Parts of Fish Gills

"Gill of Fish. A, first branchial arch of left side of black-bass: 1, gill-rakers; 2, branchial lamellae.…

"GIN-BLOCK. A simple form of tackle-block with a single wheel, over which a rope runs. It has a hook by which it swings from the jib of a crane or the sheer of a gin." -Whitney, 1911

Gin-Block

"GIN-BLOCK. A simple form of tackle-block with a single wheel, over which a rope runs. It has a hook…

"Gingko biloba, or Salisburia adiantifolia. a, branchlet with male flowers." -Whitney, 1911

Ginkgo Biloba Branchlet

"Gingko biloba, or Salisburia adiantifolia. a, branchlet with male flowers." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. b, branchlet with female flowers." -Whitney, 1911

Ginkgo Biloba Branchlet

"Gingko biloba, or Salisburia adiantifolia. b, branchlet with female flowers." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. c, naked seed, immature." -Whitney, 1911

Immature Ginkgo Seed

"Gingko biloba, or Salisburia adiantifolia. c, naked seed, immature." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. d, naked seed, mature." -Whitney, 1911

Mature Ginkgo Seed

"Gingko biloba, or Salisburia adiantifolia. d, naked seed, mature." -Whitney, 1911

"Gingko biloba, or Salisburia adiantifolia. e, naked seed, mature, deprived of the outer fleshy testa." -Whitney, 1911

Mature Ginkgo Seed

"Gingko biloba, or Salisburia adiantifolia. e, naked seed, mature, deprived of the outer fleshy testa."…

"Branch and Root of Ginseng (Aralia ginseng)." -Whitney, 1911

Ginseng Branch and Root

"Branch and Root of Ginseng (Aralia ginseng)." -Whitney, 1911

"The camelopard, Giraffa camelopardalis or Camelopardalis giraffa, a ruminant animal inhabiting various parts of Africa, and constituting the only species of its genus and family." -Whitney, 1911

Giraffe

"The camelopard, Giraffa camelopardalis or Camelopardalis giraffa, a ruminant animal inhabiting various…

"Girders (in cross-section). a to l, wrought-iron girders; m to z, cast-iron girders; aa, box-girder; bb, compound I-girder; cc, coumpound beam girder; dd, I-girder." -Whitney, 1911

Girder

"Girders (in cross-section). a to l, wrought-iron girders; m to z, cast-iron girders; aa, box-girder;…

"Chondrocranium of Frog (Rana esculenta). y, girdle-bone or os en ceinture; EO, exoccipital; PrO, proötic; QJ, quadratojugal." -Whitney, 1911

Frog Chondrocranium

"Chondrocranium of Frog (Rana esculenta). y, girdle-bone or os en ceinture; EO, exoccipital; PrO, proötic;…

"Common Glareole or Pratincole (Glareola pratincola). GLAREOLA. A remarkable genus of birds, typical of the family Glareolidae." -Whitney, 1911

Collared Pratincole

"Common Glareole or Pratincole (Glareola pratincola). GLAREOLA. A remarkable genus of birds, typical…

"Specimens of Ancient Roman Glass." -Whitney, 1911

Roman Glass

"Specimens of Ancient Roman Glass." -Whitney, 1911

"Ancient Roman Cameo-Glass. Amphora from Pompeii, Museo Nazionale, Naples." -Whitney, 1911

Roman Cameo-Glass

"Ancient Roman Cameo-Glass. Amphora from Pompeii, Museo Nazionale, Naples." -Whitney, 1911

"Example of Murano (Venetian) Glass, 16th century." -Whitney, 1911

Murano Glass

"Example of Murano (Venetian) Glass, 16th century." -Whitney, 1911

"Examples of Murano (Venetian) Glass, 16th century." -Whitney, 1911

Murano Glass

"Examples of Murano (Venetian) Glass, 16th century." -Whitney, 1911

"Glass-crab (larva of Palinurus). GLASS-CRAB. A crab of the spurious genus Phyllosoma, or of the spurious order Phyllosomata-- that is, any young shrimp of either of the families Palinuridae and Scyllaridae. These larvae are as thin as paper, flat and transparent, and have no resemblance to the adult." -Whitney, 1911

Glass-Crab Lobster Larva

"Glass-crab (larva of Palinurus). GLASS-CRAB. A crab of the spurious genus Phyllosoma, or of the spurious…

"Flowering Branch of Glaux maritima. GLAUX. A primulaceous genus of plants, consisting of a single species, G. maritima, known as sea-milkwort or black saltwort." -Whitney, 1911

Sea Milkwort

"Flowering Branch of Glaux maritima. GLAUX. A primulaceous genus of plants, consisting of a single species,…

"The Sea Lizard (Glaucus atlanticus) is a blue sea slug in the Glaucidae family of colorful sea slugs." -Whitney, 1911

Sea Lizard

"The Sea Lizard (Glaucus atlanticus) is a blue sea slug in the Glaucidae family of colorful sea slugs."…

"Branch and Pod of Honey-locust (Gleditschia triacanthos). GLEDITSCHIA. A genus of leguminous thorny trees, with abruptly once or twice pinnate leaves, inconspicuous greenish and polygamous flowers, and flat pods." -Whitney, 1911

Honey Locust

"Branch and Pod of Honey-locust (Gleditschia triacanthos). GLEDITSCHIA. A genus of leguminous thorny…

"An artificial sphere on whose surface is drawn a map or representation of the earth." -Whitney, 1911

Terrestrial Globe

"An artificial sphere on whose surface is drawn a map or representation of the earth." -Whitney, 1911

"Globe-flower (Trollius Europaeus). The Trollius Europaeus, a ranunculaceous plant of Great Britain and the mountains of central Europe, with deeply lobed leaves and pale-yellow flowers." -Whitney, 1911

Globe Flower

"Globe-flower (Trollius Europaeus). The Trollius Europaeus, a ranunculaceous plant of Great Britain…

"Globigerina bulloides. GLOBIGERINIDAE. A family of chiefly pelagic foraminiferous rhizopods, with the perforate test free and calcareous, its several chambers inflated or globose and arranged in a turbinate spiral, the aperture simple or multiple and conspicuous, opening into an umbilical depression, and no supplementary skeleton or canal system." -Whitney, 1911

Globigerina

"Globigerina bulloides. GLOBIGERINIDAE. A family of chiefly pelagic foraminiferous rhizopods, with the…

"Globigerina bulloides. GLOBIGERINIDAE. A family of chiefly pelagic foraminiferous rhizopods, with the perforate test free and calcareous, its several chambers inflated or globose and arranged in a turbinate spiral, the aperture simple or multiple and conspicuous, opening into an umbilical depression, and no supplementary skeleton or canal system." -Whitney, 1911

Globigerina

"Globigerina bulloides. GLOBIGERINIDAE. A family of chiefly pelagic foraminiferous rhizopods, with the…

"Flower of Gloriosa superba. GLORIOSA. A genus of tuberous-rooted liliaceaous plants, with opposite or whorled leaves terminating in tendrils by which they climb, and with large and beautiful red or yellows flowers. There are three species, of tropical Asia and Africa, cultivated in greenhouses." -Whitney, 1911

Gloriosa

"Flower of Gloriosa superba. GLORIOSA. A genus of tuberous-rooted liliaceaous plants, with opposite…

"Glossophaga nigra. GLOSSOPHAGA. A genus of South American phyllostomine bats. These bats are provided with a very long, slender, extensile tongue, brushy at the end ... the tongue being used to lick out the soft pulp of fruits." -Whitney, 1911

Leaf-Nosed Bat

"Glossophaga nigra. GLOSSOPHAGA. A genus of South American phyllostomine bats. These bats are provided…

"Glove-shield, 15th century. A contrivance adopted in the sixteenth century for arming the left hand for parrying thrusts and blows." -Whitney, 1911

Glove-Shield

"Glove-shield, 15th century. A contrivance adopted in the sixteenth century for arming the left hand…

"Glove-shield, 15th century. A contrivance adopted in the sixteenth century for arming the left hand for parrying thrusts and blows." -Whitney, 1911

Glove-Shield

"Glove-shield, 15th century. A contrivance adopted in the sixteenth century for arming the left hand…

"Glut. Naut.: (b) A becket or thimble fixed on the after side of a topsail or course, near the head, to which the bunt-jigger is hooked to assist in furling the sail." -Whitney, 1911

Glut

"Glut. Naut.: (b) A becket or thimble fixed on the after side of a topsail or course, near the head,…

"Glycrrhiza glabra. GLYCYRRHIZA. A plant with a sweet root, licorice, also spelled liquorice. A genus of leguminous perennial herbs, nearly allied to Astragalus, and including a dozen species, which are widely distributed through temperate regions." -Whitney, 1911

Licorice

"Glycrrhiza glabra. GLYCYRRHIZA. A plant with a sweet root, licorice, also spelled liquorice. A genus…

"Glyptodon (Glyptodon clavipes). The typical and best-known genus of the family Glyptodontidae; the long-tailed fossil armadillos or glyptodons, with 5 toes on the hind feet and 4 on the fore, the fifth digit of which is wanting." -Whitney, 1911

Glyptodon

"Glyptodon (Glyptodon clavipes). The typical and best-known genus of the family Glyptodontidae; the…

"A small two-winged fly, Culex pipiens, of the family Culicidae, suborder Nemocera, and order Diptera, called in America mosquito." -Whitney, 1911

Mosquito

"A small two-winged fly, Culex pipiens, of the family Culicidae, suborder Nemocera, and order Diptera,…

"Blue-gray Gnatcatcher (Poliptila caerulea). The blue-gray gnatcatcher, Polioptila caerulea, is a very common migratory insectivorous bird inhabiting woodlands of the United States." -Whitney, 1911

Blue-Gray Gnatcatcher

"Blue-gray Gnatcatcher (Poliptila caerulea). The blue-gray gnatcatcher, Polioptila caerulea, is a very…