Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. XXVII. No. 1. 



SPERMATOGENESIS OF CALOPTENUS FEMUR-RUBRUM 

 AXD CICADA TIBICEN. 



Bt E. V. Wilcox. 



With Five Plates. 



CAMBRIDGE, MASS., U. S. A. : 



PRINTED FOR THE MUSEUM. 



Mat, 1895. 



