450 



PROTOZOOLOGY 



Family 10 Stylocephalidae Ellis 



Sporadins solitary; epimerite varied; pseudocysts; hat-shaped 

 spores in chains. 



Genus Stylocephalus Ellis. Epimerite nipple-like; cysts covered 

 with papillae; in arthropods and molluscs. 



Fig. 209. a, Stylocephahis giganteus, X65 (Ellis); b, Bulbocephalus 

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

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

 morpha, X1670 (Leger); g, h, Corycella armata (h, X860) (L6ger); i, 

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

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

 cephahis acutispora (L^ger); p. Amphoroides calverti, Xl30 (Watson); 

 q, Asterophora philica, X65 (Leidy); r, Steinina rotunda, Xl30 (Watson); 

 s, Pileocephalus striatus, X 180 (L6ger and Duboscq) ; t, Stylocystis praecox, 

 XSO (L6ger). 



S. giganteus E. (Fig. 209, a). Sporadins L2-1.8 mm. long; cysts 

 spherical, 450/^ in diameter; spores subspherical black, llfi by 7^; 

 in Eleodes sp., Asida opaca, A. sp., and Eusattus sp. (Coleoptera). 



Genus Bulbocephalus Watson. Epimerite a dilated papilla located 

 in middle of a long neck. 



