570 OLIGOCHAETA 



(20) Benhamia annae, Hoest. 

 B. Annae, Hoest, loc. cit., p. 33. 



Definition. Length, 30 mm. ; number of segments, 85. Skin without pigment. Clitellum, 



XIII (XIV)-XXI, complete. Prostomium imbedded in buccal segment. Dorsal pores 



commence IV/V. Spermathecae with a single diverticulum. Sperm-sacs in segments 



IX-XII. Ptnial setae undulated with slight denticulatlons. Hab. — Java. 



This species is very like the former, but appears to differ in the possession of 



a complete clitellum; B. crassa has median unpaired papillae upon segments viii/ix, 



i^x not mentioned in this form. B. godeffroyi has not the distinct diverticulum 



of the spermatheca, which the present species has. 



(ai) Benhamia floresiana, Hokst. 

 B. floresiana, HoRST, loc. cit., p. 34. 



Definition. Length, 35-40 mm. ; number of segments, 1 25. S/cin without any pigmentation. 

 Clitellum, XIII-XXI, incomplete. Prostomium as in last species. Borsal pores commence 

 VI/VII. Spermathecae with a single diverticulum. Penial setae as in the last species. 

 Hab. — Flores, Sumatra. 



(2a) Benhamia crassa, Beddaed. 

 B. crassa, Beddaed, P. Z. S., 189a, p. 681. 



Definition. Length, 35 mm. (about). Clitellum, XIII-XXI, incomplete, except first two 

 segmerits. Prostomium imbedded in buccal segment. Borsal pores commence V/VI. 

 Genital papilla on each of segments VIII/IX, IX/X. Spermathecae with a single 

 diveiticulum. Penial setae spiral with a few denticulatlons. Hab. — Lagos. 



(23) Benhaniia whytei, Beddaed. 

 B. Whytei, Beddaed, loc. cit., p. 680. 



Definition. Length, 75 mm. Colour [in alcohol) dark broivn. Clitellum, XIII— XIX, 



complete. Prostomium imbedded in buccal segment. First dorsal pore between III/IV. 



Last pair of hearts in XII. Six septa following gizzards are thickened. Spermathecae 



with a single diverticulum. Penial setae as in B. crassa. Hab. — Nyassa Land. 



This species is chiefly to be distinguished from those to which it comes nearest 



