496 Dr. L. Cognettl de Mavtii.s on the 



A large pair of testicular vesicles runs through septum 

 ix -x. laterally to the gut. The anteseptal part of each 

 vesicle (a little more developed at the left side) is divided 

 into two globular portions by a constriction. The postsepfal 

 part is more developed than the anteseptal, from which it is 

 separated by a deep constriction. The postseptal part is 

 irregularly pear-shaped, diminishing in diameter at the poste- 

 rior end, and it is entirely contained in the x. segment 

 (PI. XIII. fig. 2). On the left side the postseptal part is 

 longer than on the right, and at the end is rather S-shaped. 



A sperm-duct-funnel is found in the postseptal portion of 

 each vesicle, united to its ventral wall just beliind sei)tuni 

 ix.-x. The sperm-ducts are short and a little undulated ; 

 they enter into the proximal part of the prostates. The 

 prostates are white and tubular ; they are closely coiled on each 

 side. They are of equal thickness throughout their length, 

 and their distal extremity is provided with a short, thinner, 

 muscular tract. 



A pair of enormously developed ovaries lies in the xi. 

 segment, suspended to the anterior septum along a line that 

 almost entirely encloses the gut. The ovaries are enclosed in 

 a very thin-walled perioesophageal capsule that extends from 

 septum x.-xi. to septum xi.-xii. At the posterior wall of 

 the ovarial capsule (viz. septum xi.-xii.) are placed, on each 

 side, the orifice of an egg-sac and the funnel of the oviduct. 

 The first is surrounded by a circle and placed dorsally to 

 the gut. The little oviducal funnels are ventral and con- 

 nected with the short and straight oviducts. 



The egg-sacs are cylindrical and prolonged backwards, but 

 contained in the xii. segment, in which they are only once 

 folded. The cavity of the egg-sacs is partially obliterated by 

 a rich netwoik of blood-vessels, but eggs are wanting. 



Spermathecse in viii. segment near to septum vii.-viii. 

 Each spermatheca consists of a white, thin-walled, spherical 

 ampulla and a thin, long, bent duct * which traverses the 

 b idy-wall to open directly to the exterior. Muscular atrial 

 chambers are wanting. The two ampulla? lie dorsally to the 

 oesophagus, and the pole of each ampulla, which is opposite 

 to the origin of the canal, is fastened to the middle line of 

 the posterior surface of septum vii.-viii. by a very short and 

 straight ligament (PI. XIII. fig. 3). 



Hah. Aruinanallur, 45 km. E.S.E. from Trevandrum {Mr. 

 I\, Shungara Narayana, 23. vi. 1910). 



This WQW species of Drawida is easily distinguished from 



* See MichaelseiK (ij) p. 1-39. 



