UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



ZOOLOGY 



Vol. 19, No. 4, pp. 135-190, plates 2-6, 3 figures in text October 4, 1919 



A COMPARISON OF THE LIFE CYCLE OF 



CRITHIDIA WITH THAT OF TRYPANOSOMA 



IN THE INVERTEBRATE HOST 



BY 



IRENE McCULLOCH 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



