PLATE 53 

 Sorosporella uvella: 



A. — Photomicrograph of a stained blood smear from an infected cutworm, showing 

 a number of free-floating blastocysts and one leucoc3/te within which are to be seen 

 two blastocysts. X 600. 



B. — Photomicrograph of a water mount of bias tocysts which developed on Uschin- 

 sky's mediiun after inoculation. X 600. 



