SPOROZOA, GREGARINIDA 545 



to 1 mm. long; spores dolioform, 4.5m by 2.25m; in Gryllus abbrevia- 

 te and G. americanus (Leidy, 1853). 



G. polymorpha (Hammerschmidt). Cylindrical sporadins up to 

 350m by 100m; in syzgyy; protomerite dome-shaped; deutomerite 

 cylindrical, rounded posteriorly; a small nucleus with an endosome; 

 in the intestine of larvae and adults of Tenebrio molitor ("meal 

 worm"). 



G. rigida (Hall). Sporadins 28m by 20m up to 424m by 196m," syzygy; 

 spherical cysts 212-505m in diameter; in the species of Melanoplus 

 (grasshoppers) (Kararo, 1920; Allegre, 1948). 



Genus Protomagalhaesia Pinto. Sporadins cylindrical; in syzygy, 

 protomerite of satellite draws in the posterior end of primite; cysts 

 without ducts; spores dolioform, with spines at ends. 



P. serpentula (Magalhaes) (Fig. 232, n). Sporadins up to 1.2 mm. 

 by 180m; in gut and coelom of Blatta orientalis. 



Genus Gamocystis Schneider. Septate only in trophozoites; spo- 

 radins non-septate; in syzygy; spore formation partial; with sporo- 

 ducts; spores cylindrical. A few species. 



G. tenax S. (Fig. 232, 6). Association head to head; spherical cysts 

 with 15 or more ducts; spore cylindrical, with rounded ends; in gut 

 of Blattella lapponica (Schneider, 1875). 



Genus Hyalospora Schneider. Sporadins in syzygy; cytoplasm 

 yellowish orange; epimerite a simple knob; cysts open by rupture; 

 spores fusiform. 



H. affinis S. Trophozoites 300m long; cysts, yellow, 60m in diame- 

 ter; spores 8.7m by 6m; in gut of Machilis cylindrica (Labbe, 1899). 



Genus Tettigonospora Smith. Similar to Hyalospora, but cyto- 

 plasm opaque white; spores spherical. One species (Smith, 1930). 



T. stenopelmati S. Sporadins 225-542m by 118-225m; spherical 

 cysts 434-551 m in diameter, wall 17-66m thick; spores 4.8-5m in di- 

 ameter; in the midgut of Stenopelmatus fuscus and S. pictus ("Jerusa- 

 lem crickets"). 



Genus Hirmocystis Labbe. Sporadins associative, 2-12 or more; 

 with a small cylindrical papilla-like epimerite; cysts without ducts; 

 spores ovoidal. 



H. harpali Watson (Fig. 233, a). Total length of association up 

 to 1060m; sporadins up to 560m by 80m; cysts unknown; in gut of 

 Harpalus pennsylvanicus erythropus (Watson, 1916). 



H. termitis (Leidy) (Fig. 233, 6). Association 614-803m long; 

 epimerite simple sphere; cysts rare; spores (?); in Zootermopsis 

 angusiicollis, Z. ?ievadensis, etc. (Henry, 1933). 



Genus Uradiophora Mercier. Sporadins in syzygy; deutomerite 



