SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 107, NUMBER 7 



THE INSECT CRANIUM AND THE 

 "EPICRANIAL SUTURE" 



R. E. SNODGRASS 



Collaborator, Bureau of Entomology and Plant Quarantine 

 U. S. Department of Agriculture 



(Publication 3896) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JULY 30, 1947 



