502 OLIGOCHAETA 



(ii) Cryptodrilus cameroni (Spencek). 



Megaseolides cameroni, Spencer, loc. cit., p. 144. 



Deflmtion. Length, 21a mm.; breadtJi, 12 mm. Prostoiiium incomplete. Clitellum, 

 XVI-XXI incomplete, ventral at anterior end. Setae of outer couples further apart 

 than of inner outer setae, irregular on clitellum. Male pores on level of innermost 

 seta. Dorsal pores commence III/IV. Gizzard in V/VI ; swellings of oesophagus in 

 VIII— XIV ; intestine begins in XIX. Dorsal vessel double as far as ffth segment, and 

 to end of body. Sperm-sacs in IX, XII ; spermathecae in V-IX, with diverticulum 

 half the length of sac. Hab. — Croajingolong. 



(la) Cryptodrilus singularis, Fletoheb. 



C. singularis, Fletchee, Proc. Linn. Soc, N. S. W., iii (a), 1S89, p. 1547. 



Definition. Length, 130 mm.; breadth, 7 mm.; number of segments, 240. Frostomium 

 incomplete. Clitellum, XIII-XVIII, complete. Setae of outer couple further apart than 

 inner. Male pores in line with seta a. Oviducal pores in front of and ventrad of 

 seta I. Genital papillae elliptical areas between XVI/XXI. Dorsal pores commence 

 XI/XII. Gizzard in V; no distinct calciferous glands; intestine begins in XVIII. 

 Last pair of hearts in XII. Septa V/XII thickened. Testes and funnels one pair in 

 XI ; sperm-sacs in XII. Spermathecae in VIII, IX, with small diverticulum. Hab. — 

 Burrawang, N. S. W. 



Four conspicuous ridge-like folds are described as existing on the floor of the 

 intestine from segment xx-1; there is no typlflosole. 



(13) Cryptodrilus saccarius, Fletcher. 



C. saccarius, Fletcher, loc. cit., i (2), 1887, p. 951. 



Definition. Length, 195 mm.; breadth, la mm.; number of segments, 290. Frostomium 

 incomplete. 'Clitellum, XIII-XVII, complete. Setae in eight rows more or less irregular, 

 inner couple absent on XVIII. Male pores in line with interval between setae i and 2. 

 Genital papillae vary ; there may be two elliptical papillae between XI/XII and four 

 between XVIII/XIX, and XX/XXIV. Oviducal pores in front of, and ventrad of first 

 seta. Dorsal pores commence X/XI. Gizzard in V ; calciferous glands in IX— XIII ; 

 salivary glands in V, VI ; intestine begins in XV. Sperm-sacs in XI, XII. Spermathecae 

 in VIII, IX, with small caecum opening dorsal of inner seta. Last hearts in XIII. 

 Hab. — Hornsby, Fort Jackson, Springvjood, N. S. W. 



