S YNOPSIS 



ORGANIC REMAINS 



THE CRETACEOUS GROUP 



THE UNITED STATES. 



ILLUSTRATED BY NINETEEN PLATES. 



TO WHICH IS ADDED AN APPENDIX, CONTAINING A TABULAR VIEW OF THE TERTIARY 

 FOSSILS HITHERTO DISCOVERED IN NORTH AMERICA. 



BY 



SA3MUEL GEORGE MORTON? 3tt. B. 



MEMBER OF THE AMERICAN PHILOSOPHICAL SOCIETY; OF THE ACADEMY OF NATURAL 



SCIENCES OF PHILADELPHIA; CORRESPONDING MEMBER OF THE 



NEW YORK LYCEUM OF NATURAL HISTORY; OF 



THE ALBANY INSTITUTE, &C. 



"Je regarde les caraot£res d'epoque de formation tires de l'analogie des corps organises, comme 

 de premiere vakur en Geognosie, et comme devant l'emporter sur toutes les aums diff£n nets 

 quclque grandes qu'elles paraissent." * Al. Brongniart. 



PHILADELPHIA: 

 KEY &BIDDLE, MINOR STREET. 



W. P. Gibbons, Printer. 



1834. 



