398 Records of the Indian Museum. [Voi.. VIII, 



and straight, of considerable length, running (in the natural 

 condition of the parts) in a transverse direction outwards, or 

 outwards and forwards, to its termination; it begins in xix and 

 ends in xviii. 



The ovaries, in xiii, are relatively very large; the funnels 

 also are of moderately large size. 



The spermathecae are three pairs, appearing in the Rotung 

 specimen as very large rectangular blocks, hard, yellow, and 

 semi-transparent, in segments vii. viii and ix. The rectangular 

 shape is due to their mutual pressure, since they fill up all the 

 available space in their segments The duct is ver}^ stout (half 

 the diameter of the ampulla), of some length (as long as the am- 

 pulla) and contains in its lumen a cord of white glancing material, 

 continuous with the yellowish translucent material which fills the 

 ampulla, and the similar material which plugs the external aper- 

 ture A diverticulum is present as an extremely minute chamber, 

 on the anterior side, connected with the uppermost part of the 

 duct immediately below its junction with the ampulla : its con- 

 tents are iridescent. The diverticulum was absent from one of 

 the organs. 



The above describes the specimen from Rotung which was 

 dissected ; in that from Renging the spermathecae were white, 

 not yellowish, and were not quite as bulky or as closely pressed 

 together. 



There are no penial setae. 



I have no doubt as to the specific identity of three out 

 of the four batches of specimens, i.e. of all except the batch 

 of four from Renging. The fact that the' clitellum was broader 

 than the rest of the body, and that each clitellar segment was 

 more or less distinctly and completely divided into two annuli 

 by a secondary groove, caused me to make a more thorough 

 examination, and a dissection of one of these specimens. Besides 

 the differences just mentioned, the clitellum was slightly less 

 extensive (5 segments exactly), the first dorsal pore was in 

 furrow I, the dorsal break in the setal ring was rather more 

 widely variable {zz= i^—'^yz), the two pits on the ventral surface 

 of segment xvii were confluent across the middle line and so 

 appeared as a transverse groove, while internally the prostates 

 were smaller, and there were two pairs of seminal vesicles With 

 the exception of the last feature the difi^erences do not appear 

 to be important; and the similarity in the proportions and rela- 

 tions of the duct and diverticulum of the spermathecae, and 

 in the rather characteristic male funnels, justify the union of 

 these specimens with the others. 



In addition to the above species of Perionyx, a single 

 specimen, evidently belonging to the genus, but indetermin- 

 able on account of its immaturit}^ was taken at Rotung, alt. 

 1300 ft., in rotten wood; 26-xii-i9ir. Similarly indeterminable 



