Excerpt from Sharks, Skates, Rays, and ChimaerasSkates and rays have a more-or less flattened appearance, and all ex cept a few are either wholly or partially covered with denticles or Spines, which may be scattered irregularly or ar ranged in definite patterns. All skates and rays have five gill slits on each side of the lower surface of the head neck region.Chimaeras, like sharks, are fusi form in shape. Unlike sharks, they are usually smooth skinned, although a few denticles appear on the young and may persist in some adults, and they have only one external gill open ing on each side.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Sharks, Skates, Rays, and Chimaeras (Classic Reprint)

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