PLATE II. 



Figure 15. Entomophthora " x." Young zygospore, showing stage in the for- 

 mation of the endospore (X 750). 



Figure 16. Entomophthora " x." Mature zygospore, three monthe after forma- 

 tion ; fixed in hot sublimate-acetic (X 750). 



Figure 17. E. Geometralis. Septate conidiophore (X 600) ; fixed in Flemmings. 



Figure 18. E. Geometralis. Mature conidium ( X 1000). 



Figure 19. E. Geometralis. Large, elongated nucleus in the conidiophore 

 (X 1000). 



Figures 20-22. E. echinospora. Zygospore-formation (X 760). 



Figure 20. Young zygospore, showing method of formation. 

 Figure 21. Zygospore, after the formation of the cross-wall. 

 Figure 22. Mature zygospore, three months after formation. 



