"The <em>Lingula anatina</em> has a long peduncle issuing from between the umbones. The valves are nearly equal, horny, and flexible. It is found in the Indian Ocean." &mdash; Goodrich, 1859

Lingula anatina

"The Lingula anatina has a long peduncle issuing from between the umbones. The valves are nearly…

"The species of the genus <em>Clio</em>, belonging to this order, exist in prodigious numbers in the Arctic and Antarctic seas. So great, in fact, is their abundance, that although they do no exceed an inch in length, they furnish a great part of the food of the whale-bone fishes." &mdash; Goodrich, 1859

Clio borealis

"The species of the genus Clio, belonging to this order, exist in prodigious numbers in the…

"The descriptions of it are very obscure; it appears to be destitute of shell, the body globular, the lower part having an oval space, circumscribed by thick lips; the animal is furnished with curious swimming and branchial appendages." &mdash; Goodrich, 1859

Leach's bursatella

"The descriptions of it are very obscure; it appears to be destitute of shell, the body globular, the…

"The Carinaria has an elongated transparent body, dotted with elevated points, and furnished toward the upper part of the posterior extremity with a sort of fin, which performs the office of rudder; nearly opposite to this, on the belly, is a semicircular fin; with the aid of this it floats in the water." &mdash; Goodrich, 1859

Carinaria

"The Carinaria has an elongated transparent body, dotted with elevated points, and furnished toward…

"The <em>Chiton Chilensis</em> has a smooth border; it is found in crevices of rocks under stones, near Valparaiso." &mdash; Goodrich, 1859

Chiton chilensis

"The Chiton Chilensis has a smooth border; it is found in crevices of rocks under stones, near…

"The <em>T. Hombergii</em> attains a length of six inches." &mdash; Goodrich, 1859

Tritonia hombergii

"The T. Hombergii attains a length of six inches." — Goodrich, 1859

"The Lamp-Shell, <em>Terebratula maxillata, has a smooth convex shell, the animal attached by a peduncle." &mdash; Goodrich, 1859

Lamp-shell

"The Lamp-Shell, Terebratula maxillata, has a smooth convex shell, the animal attached by a peduncle."

"In these animals, which generally appear like small slugs, the branchi&aelig; are arranged along on each side of the back; the tentacles are not retractile; some species have a very singular appearance, the body being slender, and the gill-tifts supported at the extremities of lateral footstalks." &mdash; Goodrich, 1859

Eolis papillosa

"In these animals, which generally appear like small slugs, the branchiæ are arranged along on…

"Found in the vicinity of the Canary Isles, the shell is minute, glassy, and compressed." &mdash; Goodrich, 1859

Atlanta peronil

"Found in the vicinity of the Canary Isles, the shell is minute, glassy, and compressed." — Goodrich,…

"The shell of the <em>cleodora pymidata</em> is triangular." &mdash; Goodrich, 1859

Cleodora pymidata

"The shell of the cleodora pymidata is triangular." — Goodrich, 1859

"The shell of <em>Limacina rostralis</em> resembles a small nautilus in form." &mdash; Goodrich, 1859

Limacina, rostralis

"The shell of Limacina rostralis resembles a small nautilus in form." — Goodrich, 1859

"This is furnished with four tentacula, two of which are smaller than the others; at the end of these, which the animal pushes out or draws back like telescopes, are blackish knobs, which are the eyes." &mdash; Goodrich, 1859

Common snail

"This is furnished with four tentacula, two of which are smaller than the others; at the end of these,…

"The <em>Chiton spinosus</em> is bordered by long, black, aculeted spines; found in the South Seas; length three inches." &mdash; Goodrich, 1859

Chiton spinosus

"The Chiton spinosus is bordered by long, black, aculeted spines; found in the South Seas;…

"It has an aperture at each end; the animal inhabiting it is of a cylindrical form, and inclosed in a sac-like mantle." &mdash; Goodrich, 1859

Elephant's tooth

"It has an aperture at each end; the animal inhabiting it is of a cylindrical form, and inclosed in…

"These animals, called <em>Umbrella-Shells</em>, are furnished with a shell, which, however, is often concealed by the mantle; the foot is usually large, and the feather-like gill hidden between a fold of the mantle and the foot. The shell is sometimes limpet-shaped. The <em>Umbrella Mediterranea</em> and the <em>U. Indica</em> are the only known species." &mdash; Goodrich, 1859

Mediterranean umbrella-shell

"These animals, called Umbrella-Shells, are furnished with a shell, which, however, is often…

"The <em>B. velum</em> is very elegant, and of a light-brown color; the apex and base are both white, bordered with dark brown bands." &mdash; Goodrich, 1859

Bulla velum

"The B. velum is very elegant, and of a light-brown color; the apex and base are both white,…