THE INTERNATIONAL SCIENTIFIC SERIES 



THE 



GEOGEAPHICAL AND GEOLOGICAL 

 DISTRIBUTION OF ANIMALS 



BY 



ANGELO HEILPRIN 



PROFESSOR OF INVERTEBRATE PALEONTOLOGY AT, AND CURATOR-IN-CHARQE OF, 



THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA ; PROFESSOR OF 



GEOLOGY AT THE WAGNER FREE INSTITUTE OF SCIENCE, PHILADELPHIA; 



MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY, &C. 



NEW YORK 



D. APPLETON AND COMPANY 



1897 



