THE 



GEOLOGICAL EVIDENCES 



OF 



EVOLUTION. 



BY 



ANGELO HEILPRIN. 



It 



PROFESSOR OF INVERTEBRATE PALEONTOLOGY AT, AND CURATOR-IN-CH ARGK OF, 

 THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. 



AUTHOR OF 



"TOWN GEOLOGY: THE LESSON OF THE PHILADELPHIA ROCKS," "THE GEOGRAPHICAL 



AND GEOLOGICAL DISTRIBUTION OF ANIMALS" (INTERNATIONAL 



SCIENTIFIC SERIES), ETC. 



PHILADELPHIA: 



PUBLISHED BY THE AUTHOR. 



ACADEMY OF NATURAL SCIENCES. 

 1888. 



