Check-List of North American Batrachia and Reptilia; With a Systematic List of the Higher Groups, and an Essay on Geographical Distribution

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The present contribution to North American Herpetology is a prodro mus of a general work on that subject, undertaken some years ago at the request of the Secretary of the Smithsonian Institution. The mate rial which...