Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLII. No. 10. — August, 1000. 



CONTRIBUTIONS FROM THE CKYPTOGAMIC LABORATORY OF 

 HARVARD UNIVERSITY. — LXIII. 



Oy THE CYTOLOGY OF THE ENTOMOPHTHORACEAE. 



By Lincoln Ware Riddle. 



With Three Plates. 



