SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 98, NUMBER 15 



SPONGES COLLECTED ON THE 



PRESIDENTIAL CRUISE 



OF 1938 



BY 



M. W. deLAUBENFELS 

 Pasadena Junior College 



(Publication 3540) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE 21, 1939 



