SPOROZOA, GREGARINIDA 



553 



Genus Cystocephalus Schneider. Epimerite a large lance-shaped 

 papilla with a short neck; spore hat-shaped. 



C. algerianus S. (Fig. 236, c, d). Sporadins 3-4 mm. long; spores 

 10-10. 5/x long; in gut of Pimelia sp. (Labb6, 1899). 



Fig. 236. a, Stylocephalus giganteus, X65 (Ellis); b, Bulbocephalus 

 elongatus, Xl5 (Watson); c, d, Cystocephalus algeriamis (c, X6; d, X930) 

 (Schneider); e, Lophocephalus insignis (Schneider); f, Acanthospora poly- 

 morpha, X1670 (L6ger); g, h, Corycella armata (h, X860) (L£ger); i, 

 Prismatospora evansi, X50 (Ellis); j, k, Ancyrophora gracilis (k, X1250) 

 (L6ger); 1, m, Cometoides capitatus (m, X1330) (L6ger); n, o, Actino- 

 cephahis acutispora (L6ger); p. Amphoroides calverti, X130 (Watson); 

 q, Asterophora philica, X65 (Leidy); r, Steinina rotunda, X130 (Watson); 

 s, Pileocephalus striatus, X 180 (Leger and Duboscq) ; t, Stylocystis praecox, 

 XSO (L6ger). 



Genus Lophocephalus Labbe. Epimerite sessile crateriform disc 

 with crenulate periphery, surrounded by digitiform processes. 



L. insignis (Schneider) (Fig. 236, e). Sporadins 1 mm. long; cysts 

 rounded; 430/x by 330/u; pseudocysts; spores 10^ long; in gut of 

 Helops striatus. 



