PLATE 3 



EXPLANATION OF FIGURES 



Thelohania magna Kudo 



46 A 3^oung spore. Sm.G. X 2360. 



47 to 49 Young spores. S.G. X 2360. 



50 and 51 Two spores sectioned near the surface. S.G. X 2360. 



52 An abnormal spore. S.G. X 2360. 



53 to 55 Three different views of a spore: fig. 53, the upper surface view; 

 fig. 54, optical section; fig. 55, the lower surface view. Sm.G. X 2360. 



56 A fresh spore. Sm. X 2360. 



57 A spore with the extruded polar filament, showing also polar capsule with 

 a part of the coiled filament in it. Sm.P.F. X 2360. 



58 A group of young sporoblasts. S.G. X 1500. 



59 A portion of the adipose tissue of a normal larva of Culex pipiens, show- 

 ing three normal nuclei. S.G. X 2360. 



60 A portion of a heavily infected adipose cell with a hypertrophied nucleus. 

 S.G. X 2360. 



188 



