CO 



THE 



GEOGRAPHICAL AND GEOLOGICAL 



DISTRIBUTION OF ANIMALS 



BY 



ANGELO HEILPRIN 



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



THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA ; PROFESSOR OF 



GEOLOGY AT THE WAGNER FREE INSTITUTE OF SCIENCE, PHILADELPHIA ; 



ftEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY, &C. 



LONDON 



KEGAN PAUL, TRENCH & CO., 1, PATEENOSTER SQUARE 



1887 



