Excerpt from An Annotated Checklist and Key to the Reptiles of Mexico Exclusive of the Snakes Except in rare instances the materials have all passed under the scrutiny of one or the other of us, and the detailed results of these studies are embodied in more than a hundred short or longer reports. Our own ideas have often changed with the acquisition of materials not originally available. 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.