a* 



seWAN 



WTirfy 





»39 



SMITHSONIAN MISCELLANEOUS COLLECT 



VOLUME 98. NUMBER 15 



r IC£ U6U 8 



*< 



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 



