Excerpt from The Natural History of Animals, Vol. 2: The Animal Life of the World in Its Various Aspects and RelationsA, Skull and part of vertebral column. B, End view of a caudal vertebra, and longitudinal section through centra of two vertebrae. C, Pectoral fin (from below). D, Pelvic fin (from below).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.