NEW SPECIES OF OCNERODRILUS. 275 



Ocneyodriliis limicola, n. sp. 



Clitellum, xiii to xix. No zone in xvii. The inner 

 pair of setse in somite xvii are wanting. Spermathecse, 

 small, cylindrical, with few, small, wart-like diverticula 

 in somite ix. Prostate short. The sperm ducts not en- 

 larged before reaching the male pore. Large lobed 

 sperm-sacs present in ix and xii. One pair of connect- 

 ing vessels between the dorsal and ventral vessels in somite 

 ix. The septal gland in somite v is the longest. Saccu- 

 lated intestine begins in xii. 



OcnerodriUis Eiseni, Beddard. 



Clitellum in xiii to xix. The inner pair of set^e in xvii 

 is wanting. Spermathecae in viii, sack-like, medium, with 

 no diverticula. Prostate long. Sperm ducts not enlared 

 before reaching the male pore. Large lobed sperm-sacs 

 in ix and xii. No connecting vessel in ix. 



Ocnerodrihis Rosce, n. sp. 



Clitellum, xiii to xviii. The inner pair of the seta? in 

 xvii is wanting. SpermatheciE, one pair in ix. Form 

 long, cylindrical; no diverticula. Prostate very slender 

 and long, wnth a long muscular part. Sperm ducts greatly 

 enlarged close to the male pore. Sperm-sacs in ix, 

 X, xi, xii. The one in ix is smaller than in other 

 species, the one in xii not deeply lobed. No connect- 

 ing vessel in ix. Septal glands not deeply lobed, 

 almost entire. The one in v not, or hardly, larger 

 than the one in somite vi. Sacculated intestine begins 

 in somite xiii. 



Ocuerodrilus contractus, n. sp. 



Clitellum in xiii to xviii. The inner pair of the seta; 

 in xvii is wanting. Spermatheca, as long as the diverti- 

 culum of the oesophagus is cylindrical, even in outline, 

 with no diverticula. Sperm duct with a shuttle-like en- 



