The Species Groups of the South American Frogs of the Genus Eleutherodactylus (Leptodactylidae) (Classic Reprint)


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Excerpt from The Species Groups of the South American Frogs of the Genus Eleutherodactylus (Leptodactylidae) Group I: long-legged, smooth-bellied frogs with smooth heads, fairly large in size; no bony ridges on head. Group II: Granular-bellied, Shorter-legged frogs usually hav ing a frontoparietal depression; bodies moderately long; no bony ridges on head. 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.







Patterns of Distribution of Amphibians


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Sweet, University of California, Santa Barbara; Michael J. Tyler, University of Adelaide, Australia; Zhao Er-Mi, Chengdu Institute of Biology, Peoples Republic of China




Biology of Amphibians


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Now reissued in paperback with an updated preface by the authors, Biology of Amphibians remains the standard work in its field.







Epigenetic Principles of Evolution


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This is the first and only book, so far, to deal with the causal basis of evolution from an epigenetic view. By revealing the epigenetic "user" of the "genetic toolkit", this book demonstrates the primacy of epigenetic mechanisms and epigenetic information in generating evolutionary novelties. The author convincingly supports his theory with a host of examples from the most varied fields of biology, by emphasizing changes in developmental pathways as the basic source of evolutionary change in metazoans. - Original and thought provoking--a radically new theory that overcomes the present difficulties of the theory of evolution - Is the first and only theory that uses epigenetic mechanisms and principles for explaining evolution of metazoans - Takes an integrative approach and shows a wide range of learning