SPOROZOA 45 



T. pulcher Schneider. In the intestine of Scutigera; length .07 mm. 



FAMILY 3. ACTINOCEPHALIDAE. 



Solitary animals with symmetrical epimerite; spores symmetrical 

 and spindle-shaped: 17 genera and about 27 species. 



1. AMPHOROIDES Labbe. Epimerite simple and regular, with a 

 conical point; protomerite very short and cup-like; spores biconical: 

 2 species. 



A. fontariae Crawley (Fig. 64). Deutomerite a long oval, hinder 

 end being always blunt; protomerite circular or pen- 

 tagonal; length .13 mm.: in diplopods of the family 

 Polydesmidae; often numerous. 



2. ASTEROPHORA Leger. Epimerite mucronate and 

 elongate; protomerite usually larger than the deutom- 

 erite: 3 species. 



A. cratoparis Crawley (Fig. 65). Deutomerite lance- 

 olate, terminating bluntly ; protomerite round with a j^g. 65 

 conical projection in front; epimerite small, consisting of Asterophora 

 a number of ribs; length .5 mm.: in curculionid beetles. (Crawley). 



FAMILY 4. MENOSPOEIDAE. 



Epimerite large, joined by a long neck with the 

 protomerite; spores crescent-shaped: 2 genera. 



HOPLORHYNCHUS Carus. Animals solitary; elliptical 

 in shape; epimerite with 6 to 8 long marginal teeth: 

 2 species. 



H. actinotus (Leidy) (Fig. 66). Deutomerite conical 

 with a pointed hinder end; protomerite small, tending to 

 ' n fuse with the deutomerite; epimerite long, with a large 

 actiiwtus spreading front end; length .5 mm.: in Scolopocryptops, 

 (Crawley). a diplopod. 



FAMILY 5. DOLIOCYSTIDAE. 



Deutomerite not separate from protomerite : spore ovoid, with polar 

 thickening: 1 genus. 



DOLIOCYSTIS Leger. With the characters of family: 6 species. 



D. rhyncoboli Crawley. Deutomerite long, tapering to the hinder 

 end; protomerite and epimerite small: in the intestine of Rhynchobolus 

 americanus. 



