Description of Victorian Earthivorms. 143 



(10) Cryptodrilus lucasi, sp. n. (Figs. 28, 29, 30, 72). 

 Length in spirit 4| inches, slightly more than one- 

 eighth inch broad. 



P]-ostomium only slightly dovetailed into peristomium 

 (aVjout \). 



Clitellum well marked, occupying segments 14-17, 

 together with the anterior part of segment 18, and posterior 

 of segment 13. Tlie middle of segment 17 is not included 

 ventrally, but together with the same part of segments 18 

 and 19, is winte and swollen in spirit specimens. 



Seta) in four couples, all of which, for the greater part of 

 the length of the body, are placed close to the ventral 

 surface. For the posterior third of the body, the two outer 

 rows are iiregulai-. 



Male pores on small papilhu on segment 18, slightly dorsal 

 of the level of the innei'most row. 



Oviduct pores on segment 1 1-, slightly anterior to, and 

 ventral of the level of the innermost setse. 



Spennathecal pores, two ))airs, intersegmental, between 

 segments 7 and 8, 8 and 9, and at the level of the innermost 

 setjB. 



Dorsal pores present, the first between segments 4 and 5. 



Alimentary canal. Gizzard in segment 5. No true 

 calciferous glands, but the (jeso[)hagus is markedly swollen 

 and vascular in segments 9-13. Large intestine commences 

 in segment 15. 



Circulatory system. Single doi-sal vessel, hearts in 

 segments G-12, those in segments 9-12 large. 



Excretory system. Megan ephric. 



Reproductive system. Testes, two pairs in segments 10 

 and 1 1, rosettes opening in the same segments. 



Prostates, tubular and coiled, in segments 1 G-1 8. 



Sperm sacs, grape-like, in the anterior wall of segment 12, 

 and posterior of segment 9. 



Ovaries in segment 13, the oviducts opening into the same 

 segment. An extra pair of ovaries may be present in 

 segment 14. 



Spermatheca3. Two pairs in segments 8 and 9. Each 

 consists of a large sac with a diverticulum, having the form 

 of a rosette. 



Habitat. Tallarook, Goulburn River. Collected by Mr. 

 A. H. S. Lucas, M.A. 



