SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 91, NUMBER 16 



Johnson jfunb 



REPORTS ON THE COLLECTIONS OBTAINED BY THE FIRST 



JOHNSON-SMITHSONIAN DEEP-SEA EXPEDITION 



TO THE PUERTO RICAN DEEP 



NEW MARINE MOLLUSKS 



(With Three Plates) 



BY 

 LOIS F. CORE A 



Student Assistant. The George Washington Universit> 



(Publication 3258) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



SEPTEMBER 18, 1934 



