GREGARINIDA 



297 



Leidyana erralica (Crawley) (Fig. 125, i). In the intestine of 

 the crickets, Gryllus abbreviatiis and G. pennsylvanicus. 



Genus Stenophora Labbe. Trophozoites solitary. Epimerite 

 simple or absent. The cyst opens by simple rupture. The spore 

 is ovoid and possesses an equatorial line. Parasites of myriapods 



Stenophora cockerellae Ellis (Fig. 125,7). Iri the gut of Ortho- 

 morpha coarctata. 



Genus Acutispora Crawley. Trophozoites solitary. Pseudo- 

 cyst. The spore is biconical and possesses a thick blunt endo- 

 sporic rod at each end. In centipedes. 



Acutispora macrocephala Crawley (Fig. 125, ^). In the gut of 

 Lithohius forficatus. 



Fig. 125 a-d. Allantocystis dasyhelei. X400 (After Keilin). 

 a, b, trophozoites; c, two spores; d, cyst. 



e. Gregarina blattarum. X40. 



f. G. locustae. X50 (After Leidy). 



g. G. oviceps. X25 (After Crawley). 



h. Hirmocystis harpali. X37 (After Watson), 

 i. Leidyana erratica. X125 (After Watson), 

 j. Stenophora cockerellae. X50 (After Ellis). 

 k. Acutispora macrocephala. X50 (After Crawley). 

 1. Asterophora philica. X50 (After Leidy). 

 m. Amphoroides calverti. X 100 (After Watson), 

 n. Steinina rotunda. XlOO (After Watson). 

 o. Stylocephalus giganteus. X50 (After Ellis). 

 p. Spore of Porospora portunidarum. X750 

 (After Leger and Duboscq). 



