140 Proceedings of the Royal Society of Victoria. 



Reproductive system. Two pairs testes, in segments 

 10 and 11, with funnels opening into the same segments 

 which are filled with sperm. 



Piostates, long coiled tubes, extending through segments 

 18-2().- 



Sperm sacs. Saccular structures, attached to the anterior 

 wall of segment 1 2 and the posterior of segment 9. 



Ovaries, one pair in segment J 3, with oviducts opening 

 into the same. 



Spermathecie. Five pairs in segments 5-9. Each consists 

 of a large sac with a tubular diverticulum arising from the 

 stalk, and about one-third the length of the sac. 



Habitat. Collected at Warburton, Yarra Valley, by Dr. 

 Dendy. 



( Va;]\ a) Length of spirit specimen 2|- inches, one-quarter 

 inch broad. 



The geneial anatomy closely similar to the typical form, 

 from which it differs (1) in the irregularity of the setsa 

 extending slightly furtlier along the body ; (2) in the 

 presence of a curious elongate white smooth surface, 

 extending ventrally from segment 17 to segment 23 ; (3) in 

 tJie openings of the spermathecae being sliglitly doi'sal of the 

 level of the innermost setse, and (4) in the diverticulum of 

 the sperinathecse being relatively longer than in the typical 

 foi'm. 



Habitat. Thompson Valley. Tanjil Track. 



[Var. b) Length of spirit specimen 3 inches, one-quarter 

 inch broad. The body more robust and lighter colour than 

 in var. a. 



The ii-regularity of the setse extends further forwards 

 along the body than in var. a,. A white smooth surflice of 

 skin extends ventrally in the region of the male pores, as in 

 var. a, and there is present in addition a similar surface 

 ventrally on segments 4-9. 



No testes can be seen, though the rosettes are well 

 developed in segments 10 and 11. Prostates long and coiled, 

 exactly as in the typical form. The spermathecfe have very 

 small kno!:-like diverticula. 



Haliitat. Victoria (exact locality not known). 



(8) Cryptodrihis tvillsien.sis, sp. n. (Figs. 22, 23, 24, 70). 

 Spiiit specimen 71 inches long, half inch broad. 



Prostomium very slightly dovetailed into the peristomium, 

 which is ribbed. Median ventral furrow on prostomium. 



