Excerpt from The Fishes of North and Middle America, Vol. 4: A Descriptive Catalogue of the Species of Fish-Like Vertebrates Found in the Waters of North America, North of the Isthmus of Panama In these pages the authors exhibit. As clearly as the method will permit, their present views as to the genetic relations of the fishes and fish-like vertebrates of North and Middle America. This list is, in fact, _a Table of Contents complete for the four volumes and corrected to include the Addenda (pp. 2745-2873 of Part III and pp. 8137-3197 of parti V). From this Systematic Arrangement it is seen that the fish fauna of North and Middle America, as now understood by the present authors, embraces 3 classes, 30 orders, 225 families, 1113 genera, 325 subgenera, 3263 species, and 133 subspecies. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.