Excerpt from A Review of the Andean Leptodactylid Frog Genus PhrynopusConsiderable material of this genus has accumulated since my 1968 paper, that material requires the recognition of four previously unknown species and enables me to review the genus as an entity and to discuss the variation in osteological character - states seen among the species of the genus. Two hundred and eighty - two specimens including 17 cleared and stained skeletons were studied.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.