454 WILHELM MfCHAELSEN. 



8 b. Two pairs of prostate pores at the seventeenth and nine- 



teenth segments, those of each side united by a longi- 

 tudinal seminal furrow. Dicliogaster bolaui (iU^^c/i.) 



9 a. Setae ventrally more or less widely paired, dorsally sepa- 



rated. (Esophagus without glandular or other append- 

 ages. One pair of sperm iducal funnels in the tenth 

 segment. Two pairs of spermathecal openings at the 

 furrows between segments 7-8 and 8-9. (Sect. Chilo- 

 tacea of sub-fam. Acanthodrilinae). . . 10 



9 b. Setaj strictly paired. . . . . . 13 



10 a. Spermathecas with two diverticula. . .11 



10 b. Spermathecse with one diverticulum. . . .12 



11 a. Distal part of the penial sette with exception of the outer- 



most end ornamented by closely spaced toothed ridges 

 encircling the seta. . . Chilota warreni i*. s^:*. 



11 b. Distal part of the penial setai without distinct orna- 



mentation, or with only a few scattered teeth. 



C h i 1 o t a t r a g a r d h i 3Iich. 



a Penial seta? of two distinctly different kinds, both 

 of which have a simple distal tip, one of them 

 ornamented with scattered teeth. Length 80-105 

 mm., maximum diameter lf-2^ mm. . f . typicus 



j3 Penial seta; not distinctly different, both without 

 ornamentation ; one of them, if not both, ends 

 distally in two minute claws joined together by a 

 web-like membrane. Length 130 mm. or more, 

 maximiTui diameter 3|— i mm. . var major a. var. 



12 a. Diverticulum of spermathecse cylindrical, much longer 



than the sac-like ampulla. Penial seta; smooth. 



Chilota wahlbergi Mich, f . typicus 



12 b. Diverticulum of spermatheca; kidney-shaped, without 



stalk, much shorter than the ampulla. Penial seta; at 

 the distal part ornamented with triangular teeth grouped 

 together in small transverse rows. . Chilota braunsi Mich. 



13 a. Prostate poi'e at the seventeenth segment, spermathecal 



pore at the tliirteenth segment, both pores unpaired. 

 Paired copulatory papilla; on the eleventh, thirteenth, 

 and fifteenth .segments. CEsophagus with paired, com- 

 pact, ribbon-like pouches ( Sub-fam. E u d r i 1 i n a;) . 



Eudriloides durbanensis Bedd. 

 13 b. Two pairs of prostate pores at the seventeenth and nine- 

 teenth segments. Two pairs of spermathecal pores at 

 the furrows between segments 7-8 and 8-9. (Esopha- 



