ClipArt ETC
Croton Tiglium. 1, male flower (section); 2, female; 3, fruit; 4, fruit (section)

Croton Tiglium

Croton Tiglium. 1, male flower (section); 2, female; 3, fruit; 4, fruit (section)

Custard apple (Anona reticulata). 1, flower, three outer petals removed; 2, fruit and section.

Custard Apple

Custard apple (Anona reticulata). 1, flower, three outer petals removed; 2, fruit and section.

An anchor which is an instrument used for retaining a ship in a particular spot. a, a, stock; b, shank; c, c, flukes; d, d, arms.

Anchor

An anchor which is an instrument used for retaining a ship in a particular spot. a, a, stock; b, shank;…

The anatomy of a horse. 1, ears; 2, forelock; 3, forehead; 4, eyes; 5, eye-pits; 6, nose; 7, nostril; 8, point of nose; 9, lips; 10, nether jaw; 11, cheek; 12, poll; 13, mane; 14, withers; 15, parotid glands; 16, throat; 17, neck; 18, jugular vein; 19, shoulder; 20, breast; 21, ribs; 22, back; 23, loins; 24, hip; 25, flank; 26, belly; 27, haunch; 28, thigh; 29, buttock; 30, stifle; 31, leg; 32, tail; 33, hock or hough; 34, cannon or shank bone; 35, arms; 36, knees; 37, passage for girth; 38, elbow; 39, shank; 40, bullet; 41, pasterns; 42, coronet; 43, foot; 44, hoof; 45, fetlock.

Horse

The anatomy of a horse. 1, ears; 2, forelock; 3, forehead; 4, eyes; 5, eye-pits; 6, nose; 7, nostril;…

Flower anatomy. A, sectional view of a flower showing the vertical disposition of whorls. a, sepal of calyx; b, petal of corolla; c, filament of stamen; d, anther of stamen; e, ovary of pistil; f, style of pistil; g, stigma of pistil. B, Plan of the typical flower of an exogenous plant showing the horizontal disposition of its parts. a, sepal; b, petal; c, c, stamens in two different whorls; d, carpel or ovary, inclosing an ovule, attached by its funiculs. C, Various parts of a clove. a, flower of the clove or pink; b, vertical and middle sections of flowers; c, flower showing its male and female portions - six stamen, four large, two small; d, one of the petals; e horizontal section of the ovary showing the insertion of the ovules; f, fruit at the moment of expansion; g, seed, with its funiculus; h, vertical section of seed and its embryonic contents; i, the embryo; k, horizontal section of the embryo and its contents.

Structure of a Flower

Flower anatomy. A, sectional view of a flower showing the vertical disposition of whorls. a, sepal of…

The anatomy of a polar bear's leg. a, femur (thigh); b, tibia (leg); c, tarsus and metatarsus (foot); d, calx (heel); e, planta (sole); f, digits (toes).

Polar Bear Leg

The anatomy of a polar bear's leg. a, femur (thigh); b, tibia (leg); c, tarsus and metatarsus (foot);…

Saint Matthew sitting an a cloth-covered table writing the Gospel. The Holy Spirit, represented as a dove, hovers over his shoulder. Books and a human skull rest on the table. The skull, presumably, is a reference to man, the Evangelist's traditional symbol.

Saint Matthew Writing

Saint Matthew sitting an a cloth-covered table writing the Gospel. The Holy Spirit, represented as a…

"In entomology, shaped like the longitudinal half of a barbed arrow-head, or like the barbed end of a fish-hook; accuminate, rectilinear on one side, and spreading to a sharp projection on the other: noting color-marks, especially on the wings of <i>Lepidoptera</i>." &mdash;Whitney, 1889

Semisagittate Mark

"In entomology, shaped like the longitudinal half of a barbed arrow-head, or like the barbed end of…

"A joint involving the principle of the shackle. Specifically, in anatomy, a kind of articulation found in the exoskeleton of some fishes, formed by the passing of a bony ring of one part through a perforation of another part, the two being thus movably linked together." &mdash;Whitney, 1889 <p>This illustration shows the shackle joint of a large spine with a bony plate of the skin of a siluroid fish.

Shackle Joint from the Exoskeleton of a Siluroid Fish

"A joint involving the principle of the shackle. Specifically, in anatomy, a kind of articulation found…

<i>Lolium perenne</i>. A sheath, in botany is "the part of an expanded organ that is rolled around a stem or other body, forming a tube, as in the lower part of the leaves of grasses..." &mdash;Whitney, 1889 <p>This illustration show a single leaf of ryegrass in its sheath.

Ryegrass Leaf with Sheath

Lolium perenne. A sheath, in botany is "the part of an expanded organ that is rolled around a stem or…

"A, acromion; C, coracoid; CA, carpus; CL, clavicle; H, humerus; M, metacarpals; O, ventral surface of the scapula; P, phalanges, proximal row; R, radius; T, head of humerus; U, ulna." —Whitney, 1889

Bones of the Shoulder and Upper Extremity - Front View

"A, acromion; C, coracoid; CA, carpus; CL, clavicle; H, humerus; M, metacarpals; O, ventral surface…

<i>Sipunculus nudus</i>. A species of unsegmented marine worm, commonly called the peanut worm. "A, One fourth natural size, in longitudinal section. T, tentacles; r,r,r,r, four retractor muscles of the proboscis, detached from the points r1, r1 in the body walls; a, anus; ae, esophagus; i, intestine with j1, j2 its loops; x, y, appendages of rectum; z, fusiform mscle; w, ciliated groove of intestine; q, anal muscles; s, caecal glands of t, caeca, the so-called testes; p, pore at end of body; n, nervous cord, ending in a lobed ganglionic mass near the mouth, with an enlargement, g1, posteriorly; m1, m2, muscles associated with the nervous cord." &mdash;Whitney, 1889

Peanut Worm - Interior Anatomy of Adult

Sipunculus nudus. A species of unsegmented marine worm, commonly called the peanut worm. "A, One fourth…

<i>Sipunculus nudus</i>. A species of unsegmented marine worm, commonly called the peanut worm. "B, Larval Sipunculus, about one twelfth of an inch long. o, mouth; oe, esophagus; s, caecal gland; i1, intestine with masses of fatty cells; a, anus; w, ciliated groove of intestine; g, brain with two pairs of red eye-spots; n, nervous cord; p, pore; t, t1, so-called testes; W, W, circlet of cilia." &mdash;Whitney, 1889

Peanut Worm - Interior Anatomy of Larva

Sipunculus nudus. A species of unsegmented marine worm, commonly called the peanut worm. "B, Larval…

"1. A drag or dray without wheels, but mounted on runners, for the conveyance of loads over frozen snow or ice, or over mud or the bare ground, as in transporting logs and heavy stones. Also sledge. 2. A pair of runners connected by a framework, used (sometimes with another pair) to carry loads or support the body of a vehicle, or, when of lighter build and supporting a light platform or seat, in the sport of coasting and for drawing light loads by hand." &mdash;Whitney, 1889 <p>Illustration of a hand sled with a platform atop it and a rope with which to be pulled by a human or animal. Traditionally, these are not meant to be ridden, but used to convey materials.

Hand Sled or Sledge

"1. A drag or dray without wheels, but mounted on runners, for the conveyance of loads over frozen snow…

"A trumpet-shaped instrument by which the sound of the human voice is reinforced so that it may be heard at a great distance or above other sounds, as in hailing ships at sea or giving orders at a fire. In the United States navy a speaking trumpet is the badge of the officer of the deck at sea... a, tube; b, bell; c, mouthpiece; d, rings for a band by which the trumpet may be attached to the person." &mdash;Whitney, 1889

Speaking Trumpet

"A trumpet-shaped instrument by which the sound of the human voice is reinforced so that it may be heard…

Spermatozooid, mature male germ cells, of <i>Adiantum capillus-veneris</i>. Also called spermatozoid.

Spermatozooid of the Southern Maidenhair Fern and Venus Hair Fern

Spermatozooid, mature male germ cells, of Adiantum capillus-veneris. Also called spermatozoid.

"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality, and which are the immediate and active means of impregnating or fertilizing the ovum of the female... I. broadest view; II. profile, of k, kernel or nucleus of the head, and m, filamentous body, ending in s, the long slender tail." —Whitney, 1889

Human Spermatozoa

"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality,…

"A contrivance for measuring the extreme differential capacity of the human lungs. The instrument most commonly employed consists on an inverted chamber submerged in a water bath. The breath is conducted by a flexible pipe and internal tube so as to collect in the chamber, which rises in the water, and is fitted with an index which marks the cubic inches of air expired after a forced inspiration...a, is a small gas-holder containing an inverted vessel a'; b, index which shows on the scale c the number of cubic inches expired; d, manometer, which, when a' is held down, shows the pressure which the lungs can exert; e, plug-vent for outlet of the expired air; f, cock for outlet of water; g, tube through which the expiration is made." &mdash;Whitney, 1889

Spirometer

"A contrivance for measuring the extreme differential capacity of the human lungs. The instrument most…