PLATE 55 

 Sorosporella uvella: 



A. — ^Infected larva of Feltia sp. torn open, showing Isaria-like fascicles of conldi- 

 iferous hyphse that sometimes develop when the resting spores are allowed to germi- 

 nate in a moist chamber. X lo. 



B. — Photomicrograph of a stained cross section of the heart, within the cavity of 

 which numerous blastocysts are to be seen. X 125. 



