Further DescrqMons of Australian Earthivorins. 45 



Dorsal poi-es present, the first between segments 4 and 5. 



Alimentary canal. Gizzard in segment 5. Calciferous glands 

 in segments 10, 11, 12. Large intestine, commencing in segment 

 15. 



Circulatory system. Dorsal vessel single, with a sub-dorsal 

 vessel in segments 8-12. Heart in segments 8-12. 



Excretory system. Plectonephric. 



Reproductive system. Testes in segments 10 and 11, into 

 which the rosettes open. 



Spermiducal glands small, flattened, lobate, in segment 18. 



Sperm sacs lobate, attached to the posterior wall of segment 9 

 and the anterior of segment 12. 



Ovaries in segment 13, into which the oviducts open. 



Spermathecae. Three pairs in segments 7, 8 and 9, each with 

 an elongate sac and tubular diverticulum nearly as long as the 

 sac. 



Habitat. Gerangamete, Victoria. 



(2). Megascolex larpentensis, sp. n. (Figs. 40, 41, 42). 

 Spirit specimens 2^ inches long, -^^ inch broad. 



Prostoraium completely dovetailed into the peristomiuiu. 

 Marked by a median cleft. 



Peristomium with a median longitudinal cleft. 



Clitellum extending over segments 14-16 and the anterior part 

 of 17. 



Setae in front of clitellum, 14-15 on each side. In the middle 

 of the body as many as 17, and at the posterior end about 12. 



Male pores on a small papillae between the ventral pair of 

 setae on each side. 



Oviducal pores on segment 14. 



Spermathecal pores between segments 4 and 5, 5 and 6, 6 and 7, 

 7 and 8, 8 and 9, at the level of the interval between the two 

 ventral setae on each side. 



Dorsal pores present. The first between segments 3 and 4. 



Alimentary canal. Gizzard in segment 5. Calciferous glands 

 in segments 10, 11, and 12. Large intestine, commencing in 

 segment 15. 



Circulatory system. Dorsal vessel single ; hearts in segments 

 7-12. 



