ClipArt ETC
"The <em>Palaeotherium magnum</em> was of the size of a horse, but thicker and more clumsy; its head was massive, and its legs and tail were short. It resembled a large tapir, but differed somewhat as to the teeth, and had one toe less on the fore-feet. Its height was probably from four to five feet; about equal, it is said, to that of the rhinoceros of Java. It was, no doubt, furnished with a short proboscis or trunk." &mdash; Goodrich, 1844

Palaeotherium magnum

"The Palaeotherium magnum was of the size of a horse, but thicker and more clumsy; its head…

"The <em>Palaeotherium minus</em> was smaller in size compared to the <em>Palaeotherium magnum</em>, probably not larger than a roe-buck, and of similar form to the tapir. It had light and slender limbs." &mdash; Goodrich, 1844

Palaeotherium minus

"The Palaeotherium minus was smaller in size compared to the Palaeotherium magnum,…

<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…

"Diagrammatic vertical section of the head and proboscis of a mosquito. l, labium bent as when the other parts pierce the skin; p, pumping organ; o, hypopharynx through which is a channel for the exit of the secretion of the poison and salivary glands pn and s; d, exit for poison and saliva; m, maxilla; ma, mandible; la, labrum below which is the channel conducting the food from the inlet at n; st, stomach." &mdash;Davison, 1906

Proboscis

"Diagrammatic vertical section of the head and proboscis of a mosquito. l, labium bent as when the other…

<i>Fusus antiquus</i>. "...a division of prosobranchiate gastropods, having the lip of the shell notched, canaliculate, or tubular, for the protrusion of a respiratory siphon. a, branchial siphon; b, proboscis; c, operculum; d, d, tentacles; f, foot." &mdash;Whitney, 1889

Red Whelk

Fusus antiquus. "...a division of prosobranchiate gastropods, having the lip of the shell notched, canaliculate,…