Vol. VII, pp. 151-158 July 27, 1892 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



ON CARCHARODON MORTONI GIBBES 

 BY F. A. LUCAS 



THE FOSSIL FLORA OF THE BOZEMAN COAL FIELD 



BY F. H. KNOWLTON 



NOTE ON LOWER CAMBRIAN FOSSILS FROM 

 COHASSETT, MASS. 



BY CHAS. D. WALCOTT 



A NEAV GENERIC NAME FOR THE BERING SEA 



FUR-SEAL 



BY T. S. PALMER 



DESCRIPTION OF A NEW PRAIRIE DOG (CYNOMYS 

 MEXICAN US) FROM MEXICO 



BY DR. C. HART :\IERRIAM 



WASHINGTON, D. C. 



PjJBl.ISHED BY THE BlOLOGICAIi SOCIETY OF WASHINGTON 



