56 DR J. STEPHENSON ON 
a stout ovoid shape; the duct or terminal portion of the nephridium comes from the 
posterior end of the post-septal, is remarkably stout, constricted at the orifice, has a 
vertical course, and is equal to the post-septal in length. 
The celomic corpuscles ave numerous, and have the form of large flat dises, irregularly 
circular or oval in shape, very coarsely granular, with a small nucleus which is not 
obvious in the fresh state but is visible in stained preparations. By transmitted light 
the corpuscles are grey. In diameter, they were estimated at about ‘045 mm. in the 
living animal; but in sections they are about ‘03 mm., the largest being 033. As in 
so many species, they may be discharged in large numbers from near the anus under 
pressure ; after being shed they become regularly circular in outline. 
; ip 
2 
Fic. 11.—Outline of male organs in segment xi. of a specimen of the same (sketch from the living animal) : 
f., funnel ; ¢., testis of one side ; ¢.1, testis of the other side, faintly seen. 
The cerebral ganglion is nearly twice as long as it is broad, is deeply indented 
posteriorly, and extends back as far as the level of the setze of the second segment. 
The testes, on the posterior face of septum 12%, are large, and resemble somewhat 
those found in the genus Lwmbricillus. They have a limited origin from the septum ; 
from this limited origin there springs an elongated, coiled, or bent cellular cord, which 
may swell to an irregular bulky mass, and gives off, near or at some distance from its 
base, two or three branches, of the same character, and, it may be, almost of the same 
size as itself (fig. 11, Pl. IL. fig. 12). Sperm morule may be present in all segments 
from vi. to xill. 
The funnels are comparatively small, about four times as long as broad, narrower 
towards their attachment to the septum. The vas deferens is long, thin, coiled, in 
segment xii. The penal gland is not large ; its peculiarity is that it is bifid internally ; 
thus in a series of longitudinal sections it is first met with as a single mass (fig. 12, a), 
