310 Records of the Indian Museum. [Vons xt 
The spermathecal apertures appear on separating the lips of 
furrow 7/8 as slits a little below the level of setae e. 
Internal Anatomy.—Septum 5/6 (the first) is slightly, 6/7 moder- 
ately, 7/8 and 8/9 considerably thickened. 
There are four gizzards, in segments xii-xv. 
The last heart is in segment ix. 
The meganephridia are of the usual type in the family. 
The testis-sacs are large, subovoid, asymmetrical. ‘The left 
projected into both ix and x, but more forwards into ix, where in 
this specimen it reached septum 8/9; it is not constricted by the 
septum 9/10 on which it is suspended. The right projected back- 
wards only, reaching and bulging back septum Io/TI1r. 
The vas deferens forms a closely packed coil in front of 9/10; 
if unravelled it would form a tube of considerable length. Its first 
portion is very fine. 
On opening the testis-sac and shelling out the contents the 
thin transparent sac-wall shows a slight but well-defined circular 
opacity around the commencement of the vas deferens ; this thicken- 
ing represents the funnel. The testis is a small round mass 
attached to the wall of the sac just in front of the funnel. Both 
funnel and testis were anterior in position to the septum on the 
left side (this sac being the one opened). 
The prostate, in x, is a white ovoid mass attached to the 
parietes by a narrower base. ‘The junction of the vas deferens 
was not seen distinctly ; but the vas seems to go under the perito- 
neum and some muscular strands in the last part of its course, 
and to join the base of the prostate at the outer and anterior side 
of the gland. Exceptionally numerous and definite muscular bands 
radiate outwards and backwards from the base of the prostate to 
the bodywall. 
The ovarian chamber, limited as usual by septa 10/11 and 11/12, 
remains unopened in the dissection for opening and displaying the 
worm, 72.e. these septa meet and fuse some distance beneath their 
combined attachment to the dorsal parietes. The chamber contains 
the nephridia, ovaries and oviducal funnels. The ovaries, not fully 
developed in the present specimen, appear each as a fringe on the 
anterior wall of the chamber, and arch upwards on each side 
towards the middle dorsal line. No egg-sacs were developed in the 
present specimen. 
The spermathecae present a pear-shaped ampulla, which 
narrows at its outer and lower end to form the duct. This latter 
forms a long coiled tube in segment viii, which passes downwards 
behind 7/8 to the junction of the septum with the parietes. Here it 
joins the atrium, which is partly buried in the bodywall, but when 
freed forms a finger-like, somewhat curved projecting lobe on each 
side of the septum. 
Remarks.—The original account of this species is by Bourne 
(2,4). The above description is fairly complete, and adds a con- 
siderable number of details. 
