Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. XXVII. No. 1. 



SPERMATOGENESIS OF CALOPTENUS FEMUR-RUBRUM 

 AND CICADA TIBICEN. 



By E. V. Wilcox. 



With Five Plates. 



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



PRINTED FOR THE MUSEUM. 



Mat, 1895. 



