388 



PROTOZOOLOGY 



D. schneideri K. (Fig. 177, d, e). In general body cavity of 

 Periplaneta americana; young stages in gut epithelium; cysts up 

 to 2 mm. in diameter; spores 7-8m in diameter; sporozoites 16m 

 long. 



Fig. 177. a, Beccaricystis loriai, X570 (Cognetti); b, c, Schaudinnella 

 henleae (b, X885; c, XlOOO) (Nusbaum); d, e, Diplocystis schneideri 

 (d, Xl4;e, X2000) (Kunstler); f, Urospora chiridotae, X200 (Pixell- 

 Goodrich) ; g-i, Gonospora minchini (g, a young trophozoite in host egg; 

 h, a mature trophozoite, X330; i, sporadins in association, X80) 

 (Goodrich and Pixell-Goodrich). 



Genus Lankesteria Mingazzini. Trophozoites more or less 

 spatulate; spherical cyst formed by 2 laterally associated spora- 

 dins in rotation; spores oval, with flattened ends, with 8 sporo- 

 zoites; in gut of tunicates, flatworms and insects. Several species. 



L. culicis (Ross) (Fig. 174). In gut and Malpighian tubules of 

 Aedes aegypti and A. alhopidus; mature trophozoites about 150- 

 200m by 31-41m; cysts spherical, in Malpighian tubules of host, 

 about 30m hi diameter; spores 10m by 6m. 



