. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. 354 Descriptive Zoology. i The Pttlywt.—These ar*- rhiefly, though not entirely, ma- Fine and are known as "sea mats" or "; They are also known as the "moss ; These names ;ome from the fact that they grow in colonies like mosses. They often incrust rocks with their skeletons which are either gelatinous, chitinous, or calcareous' Each individual is frequently contained in a sort of cup into which it can retract or from which it can protrude to a certain extent. There is a
. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. 354 Descriptive Zoology. i The Pttlywt.—These ar*- rhiefly, though not entirely, ma- Fine and are known as "sea mats" or "; They are also known as the "moss ; These names ;ome from the fact that they grow in colonies like mosses. They often incrust rocks with their skeletons which are either gelatinous, chitinous, or calcareous' Each individual is frequently contained in a sort of cup into which it can retract or from which it can protrude to a certain extent. There is a row of tentacles around the mouth. One of our fresh-water forms (Pectinatella) has a gelatinous basis or common body, which is found in spher- ical masses as large as a man's head, being attached to branches in the water. The living animals are on the outside. Such masses are often called "sponges" by the fishermen. The Brachiopods. —These are in closed in a bivalve shell, and are named the " lamp ; Their resemblance to mollusks is very superficial, the totally unlike. There is usually a circle of tentacles somewhat as in the Polyzoa. The brachiopods are exclusively marine. They are attached by a stalk which extends through the larger valve near the hinge. There are many fossil FlO. aox. ^ lAt "..rs "sT. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Colton, Buel P. (Buel Preston), 1852-1906. Toronto : Copp, Clark
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1903
