1914-] J.Stephenson: Oligochaeta. 401 



The oesophagus is narrow in vi, bulged but thin-walled in 

 vii; the cask-shaped gizzard occupies viii; and between the 

 gizzard and septum if. the oesophagus is soft- walled though volu- 

 minous. The intestine begins in xiv. The caeca originate in 

 xxvi. and extend forwards to the anterior limit of xxiii ; their 

 ends are folded under the intestine, and when pulled out the 

 caeca, now appearing much elongated, extend forwards so as to 

 overlap the hinder end of the prostate There are no lymph- 

 glands on the intestine. 



The last heart is in xiii. 



The nephridial system is micronephridial ; the innumerable 

 minute nephridia occur on the bod^^-wall especially in the neigh- 

 bourhood of the septa. Large tufts of similar tubes, blackish in 

 colour, occur on the anterior face of septum ,■ , and also^ yellowish- 

 grey in colour, on the anterior face of y. 



The specimen being single, the organs were disturbed as little 

 as possible, and the presence of two pairs of testes and funnels, in 

 segments x and xi, is inferred from the vasa defeientia coming 

 from these segments, and joining in xiii. The vesiculae serainales 

 are paired, in xi and xii, comparatively small, and of a yellowish 

 colour. The vasa deferentia become rather thicker towards their 

 posterior ends, and bend outwards to join the prostates. Each 

 prostate is a large gland, extending forwards into xvi, and back- 

 wards so as to occup5^ the whole extent of xx; it is much cut up 

 into lobes. The prostatic duct leaves the gland at the point 

 where the vas deferens joins it, in xviii, and after many windings 

 I eaches the exterior at a point not far from its origin ; it becomes 

 thicker and more muscular as it proceeds towards its end, its last 

 coil being very stout, smooth and shining. 



Both ovaries and funnels, in xiii, are conspicuous; the latter 

 are much elongated, owing to a remarkable drawing out of the 

 margin of the funnel on its outer side. 



The spermathecae are four pairs, opening in the grooves f-l. 

 The ampulla is oval; the duct, of about equal length, is shining, 

 very stout and muscular, rather broader in its distal two-thirds 

 than near the ampulla. The diverticulum is long, narrow, some- 

 times rather twisted, and lies flat on the body-wall; its external 

 portion (distal) is shining and muscular, like the duct of the 

 ampulla ; in the greater part of its extent its walls are thin and 

 marked by numerous and close-set small sacculi (fig. 17). 



Eutyphocus kcmpi, sp. nov. 

 (PI. xxvii, figs. 18, 19.) 



A single specimen. Kobo, .A.bor country, alt. 400 ft. ; in earth ; 2-xii- 

 1911. 



Length approx. ro inches (the specimen was much coiled) : 

 breadth 6 mm. Colour light olive-green ventrally, a dusky bluish- 

 grey (slate-colour) dorsally. vSegments 254. 



