58 Proceedings of the Royal Society of Victoria. 



Alimentary canal. Gizzard in segment 5 ; true calciferous 

 glands in segments 10-13 ; large intestine, commencing in 

 segment 16. 



Circulatory system. Dorsal vessel single ; hearts in segments 

 7-12. 



Excretory system. Plectonephric ; peptonephridia present. 



Reproductive system. Two pairs of testes in segments 10 and 

 11, into which the ciliated rosettes open. 



Spermiducal glands, coiled, tubular, in segment 18. 



Sperm sacs, racemose, attached to the posterior wall of segment 

 9 and the anterior of segment 12. 



Ovaries in segment 13, into which the oviducts open. 



Spermathecae, a single pair in segment 8, consisting of a long 

 tubular sac and a long tubular diverticulum. 



Habitat. Dimboola, Victoria. 



(7). Diporochaeta richardi, sp. n. (Figs. 79, 80, 81). 

 Spirit specimens 3^ inches long, ^ inch broad ; number of 

 segments about 122. 



Prostomium about two-thirds dovetailed into the peristomium 

 and marked with a median groove. 



Clitellura ej^tending over segments 14-16 and the posterior 

 part of 13; incomplete ventrally. 



Setae, in front of the clitellum 7-9 on each side ; in the middle 

 of the body 10, and posteriorly 13-14 ; dorsal and ventral break 

 distinct. 



Male pores on indistinctly marked papillae on segment 18. 



Oviduct pores on segment 14. 



Spermathecal poi'es, 5 pairs, at the level of the ventral setae 

 on each side between segments 4 and 5, 5 and 6, 6 and 7, 7 and 

 8, 8 and 9. 



Dorsal pores, the first between segments 4 and 5. 



Alimentary canal. Gizzard in segment 5 ; vascular swellings 

 in segments 9-14; no true calciferous glands; large intestine, 

 commencing in segment 16. 



Circulatory system. Dorsal vessel single, extending far 

 forwards into the second or third segment ; subdorsal vessel in 

 segments 9-12 ; hearts in segments 8-12. 



