SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 137 (WHOLE VOLUME) 



STUDIES IN INVERTEBRATE 

 MORPHOLOGY 



PUBLISHED IN HONOR OF DR. ROBERT EVANS SNODGRASS 



ON THE OCCASION OF HIS EIGHTY-FOURTH BIRTHDAY 



JULY 5, 1959 



(Publication 4350) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1959 



ISSUED JUN19195G 



