SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 131, NUMBER 10 



CRUSTACEAN METAMORPHOSES 



By 

 R. E. SNODGRASS 



Collaborator of the Smithsonian Institution and of the 

 U.S. Department of Agriculture 



(Publication 4260) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



OCTOBER 17, 1956 



