"The King Charles spaniel, a breed of toy spaniel. It is black and tan."—Finley, 1917
"The Japanese spaniel, sometimes called the 'sleeve dog', is black and white in color; coat massive…
"The warmer current ascends, as indicated by the small arrows, and curls at the black wreath (u) of…
"The largest European species of beetle an adult male sometimes reaching an length of over two inches,…
Nerve fibers. Labels: a, nerve-fiber, showing complete interruption of the white substance; b, another…
Vertical section of a portion of a Peyer's Patch, with lacteal vessels injected. Labels: a, villi, with…
Ciliated epithelium from the human trachea, highly magnified. Labels: a, large ciliated cell; d, cell,…
A Diagrammatic section across the body in the chest region. Labels: x, the dorsal tube, which contains…
"...is constructed with a plate of black oxide of copper suspended between two plates of zinc, and the…
"...as the arrow is moved backwards, the angle at c, must be diminished, because the rays flowing from…
Diagram illustrating the muscles (drawn in thick black lines) which pass before and behind the joints,…
Lines for the detection of astigmatism. "The refracting surfaces of the eye acting together are equivalent…
Bag with four white, four striped, and two black marbles used for a probability activity.
Bag with four white, three black, and three striped marbles used for a probability activity.
Bag with four striped, three black, and three white marbles used for a probability activity.
Bag with four black, four white, and two striped marbles used for a probability activity.
Bag with four black, three white, and three striped marbles used for a probability activity.
Bag with four black, four striped, and two white marbles used for a probability activity.
Ten Dollar Bill ($10) Georgia currency from 1776. Image of a palm tree and a stone. Type set with three…
Leaves - simple; alternate; edge entire. Outline - oval or reverse egg-shape. Apex - pointed. Base -…
Leaves - simple; alternate; edge toothed (with the points of the teeth so incurved as to appear blunt),…
Leaves - simple; alternate; edge sharply and often doubly toothed. Outline - oval or egg-shaped, or…
Leaves - simple; alternate; edge coarsely and somewhat irregularly toothed; or, at times, unequally…
Leaves - simple; alternate; edge finely and sharply double-toothed. Outline - egg-shape. Apex - pointed.…
Leaves - simple; alternate; edge deeply lobed (edges of lobes mostly entire, but notched and toothed…
Leaves - simple; alternate; edge lobed (edge of the lobes mostly entire, but oftenest with a few teeth…
Leaves simple; alternate; edge lobed (edges of the lobes mostly entire, but slightly toothed toward…
Leaves - simple; alternate; edge deeply lobed (lobes finely and sharply toothed throughout). Outline…
Leaves - simple; opposite; edge closely and sharply toothed. Outline - egg-shape. Apex - pointed. Base…
Leaves - simple; indeterminate in position because of their closeness; arranged singly all around the…
Leaves - simple; indeterminate in position because of their closeness; arranged singly all around the…
Leaves - simple; indeterminate in position because of their smallness and closeness. They are arranged…
Leaves - compound (odd-feathered; leaflets, fifteen to seventeen); alternate; edge of leaflets sharp-toothed.…
Leaves - compound (odd-feathered; leaflets, seven to eleven, usually nine); opposite; edge of leaflet…
(1803-1862) American soldier who fought in the Black Hawk War, the war for Texan independence, the Mexican…
An upright section of one of the papillae of the tongue very greatly magnified, and split open, to show…