DESCRIPTIONS OF GENERA AND SPECIES 489 



SPENCER describes two varieties of this species which appear to be rather smaller ; 

 they also differ in the presence of a ' curious elongate white smooth surface ' extending 

 from segment xvii-xxiii l , and sometimes also on segments iy-ix. The spermathecal 

 pores are slightly dorsal of the third seta, and have either a longer or a much shorter 

 duct. 



(2) Megascolides narrensis (SPENCER). 

 Cryptodrilus narrensis, SPENCER, loc. cit., p. 142. 



Definition. Length, 40 mm.; breadth, ^mm. Clitellum XIII-XVIII, complete. Setae, outer 

 further apart titan inner ; towards posterior end of body rows yradually separate until 

 the fourth becomes dorsal in position. Male pores on level with interval between two 

 setae on inner pair. Oviducal pores in front of and ventral to inner seta. Genital 

 papillae two, one on XVII the other on XVIII/XIX. Gizzard in V ; no calciferous 

 glands; intestine begins in XX. Sperm-sacs in IX, XII. Spermathecae in VIII, IX, 

 direrticuliim one-third. Halt. Narre Warren, Gipps/and. 



(3) Megascolides lucasi (SPENCER). 

 Cryptodrilus lucasi, SPENCER, loc. cit, p. 143. 



Definition. Length, \iomm.; breadth, 3-4 mm. Cldellum XIII XVIII, complete except on 

 XVII, XVIII. Setae all close to ventral surface; outer rows irregular posteriorly. 

 Male pores between setae one and two. Oviducal pores slightly anterior to and ventral 

 of the inner seta. Dorsal pores commence IV/V. Gizzard in V ; no glands ; intestine 

 begins in XV. Sperm-sac in IX, XII ; spermathecae in VIII, IX, rosette-shaped diverti- 

 culum. Had. Tallarook, Goitlburn River. 

 This species is stated by SPENCER occasionally to possess an additional pair of 



ovaries in xiv ; he figures also a second pair of oviducts in xii. 



(4) Megascolides minor (SPENCER). 

 Cryptodrilus minor, SPENCER, loc. cit., p. 144. 



Definition. Length, loomm.; ' very narrow' Prostomium incomplete. Clitellum, XIV-X VIII. 

 Male pores on level with interval between, setae I and 2. Setae become irregular at end 

 of body; anteriorly strictly paired. Oviducal pores anterior to and ventral of the inner 

 seta. Dorsal pores commence behind clitellum. Genital papillae, two elliptical patches 



' Compare (perhaps) EudrUoides (below). 

 3 R 



