244 DISCOVERY REPORTS 



The gland cells in the integument, with their deeply staining contents, are arranged 

 in transverse rows (as for example in Lumbricilliis lineatus). 



The body-cavity corpuscles are disc-like and subcircular, oval, somewhat triangular, 

 or irregular in shape, with a spongy appearance when stained, and containing a small 

 round homogeneous nucleus; in their greatest diameter they measure 25-35/x. Some- 

 times they appear to be degenerate, and coalesce into a loose network or an irregular 

 coagulum-like mass. 



Septal glands are present in segments iv, v and vi ; from the posterior pair a large 

 irregularly lobed mass projects on each side extensively into vii, reaching backwards more 

 than half-way through the segment ; these posterior lobes are covered by a fine mem- 

 brane derived from septum 6/7, and represent as it were a hernia of the cell mass into 

 the segment behind. 



Salivary glands are absent. Postpharyngeal bulbs are, however, typically present, as 

 usual in this genus and in Limibricillus. 



The chloragogen cells of the intestine show large vacuoles ; a single vacuole may take 

 up the greater part of the cell, or there may be more than one vacuole in a cell ; the 

 appearance is such as might result from large droplets of fatty matter having been 

 dissolved out. 



The dorsal vessel begins in segment xiii in one of the sectioned specimens, in xii in 

 the other. 



The preseptal part of the nephridia is small, and narrows slightly towards the septum ; 

 it comprises, however, somewhat more of the organ than merely the funnel. The shape 

 of the postseptal varies — short and rounded, or more elongated. The duct also varies ; 

 in the postclitellar region it is short, and passes from the hinder and lower part of the 

 organ downwards, or somewhat forw^ards or backwards, to the surface; it appears 

 rather as if there were really no proper duct, the postseptal being bent at its hinder end, 

 and narrowing, like an inverted cone, to reach the surface. In front of the clitellum, 

 however, there really is a duct from the hinder end, at right angles to and as long as the 

 postseptal. 



The testes are already large even in the younger of the two sectioned specimens, and 

 form each an elongated triangular mass, invested for the most part by a loose membrane, 

 which is, however, lacking over a portion of the distal end of the gonad. This end is 

 breaking up, and setting free masses of male cells; and large numbers of these de- 

 veloping sexual cells are free in the cavity of the segment. The body of the testis shows 

 a tendency to cleave lengthwise, with the formation of a number of elongated club- 

 shaped lobes not unlike those of Ltimbricilhis; the process is a cleavage only, not a 

 separation, though in some sections a membrane can be seen between the lobes, like the 

 membranes which envelope the club-shaped lobes of the testes of Lumbricillus. 



The funnels are relatively short, 3 to 3I times as long as broad ; the lip at the open end 

 of the funnel is quite narrow and scarcely everted. The vas deferens, confined to seg- 

 ment 12, forms a loose coil, which pierces through a rudimentary penial body to end on 

 a small rather indefinite male papilla. 



