Facsimile reprint of this herpetological classic which is still the only complete herpetology of Japan. With a geographic coverage which extends beyond Japan to incorporate Taiwan, Korea, Manchuria, adjacent coastal China, and easternmost Siberia, in all 156 species of amphibians and reptiles are dealt with. Each species is illustrated, with details of synonymy, descriptions of typical specimens, a discussion of variation, habitat, distribution, and a list of specimens with localities.