570 OLIGOCHAETA 



(20) Benhamia annae, HOKST. 

 B. Annae, HOEST, loc. cit., p. 32. 



Definition. Length, ^o mm. ; number of segments, 85. Skin without pigment. Cli/ellnin, 



XIII (XIF^-XXI, complete. Prostomium imbedded in luccal segment. Dorsal pores 



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



IX-"XIL Ptnial setae undulated with slight denticulations. 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, 



ix/x not mentioned in this form. B. godeffroyi has not the distinct diverticuluni 



of the spermatheca, which the present species has. 



(21) Benhamia floresiana, HOEST. 

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



Definition. Length, 35-40 mm. ; number of segments, 1 2,5. Skin without any pigmentation. 

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

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

 Hab. Flares, .Sumatra. 



(22) Benhamia crassa, BEDDARD. 

 B. crassa, BEDDARD, P. Z. S., 1892, p. 681. 



Definition. Length, 25 mm. (about). Clitellum, XIII-XXI, incomplete, except first two 

 segments. Prostomium imbedded in buccal segment. Dorsal pores commence Y/VL 

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

 diveiliculum. Penial setae spiral with a few denticulations. Hab. Lagos. 



(23) Benhamia whytei, BEDDARD. 

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



Definition. Length, 75 mm. Colour (in alcohol) dark brown. 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 diverticnlum. Penial setae as in B. crassa. Hab. Nyassa Land. 



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



