666 DR. A. G. BOURNE ON INDIAN EARTHWORMS. [DcC. 21, 



Perich^ta bivaginata, sp. n. 



This species resembles P. lawsoni in the condition of the clitellum 

 and in having separate ovidueal pores. 



The clitellum extends over somites xiv., xv., xvi., and xvii., but is 

 very slightly marked. 



The male pores are placed on somite xviii., they are inconspicuous ; 

 there are no papillae, although special penial setae are present. 



The oviducts open separately, very near together, in somite xiv., 

 ventrad of the ventral setae. 



There are three pairs of spermathecse ; these are placed in somites vii., 

 viii., and ix. The spermathecal pores open between somites vi. and 

 vii., vii. and viii., viii. and ix., respectively. Each spermatheca pos- 

 sesses a pair of small diverticula at its base. Nephridia are present in 

 most somites, if not all, and are very large and present rosettes of 

 tubules in certain anterior somites, I think in v., vii., and ix. The 

 nephridiopores I have not observed. 



The gizzard is situated in somite vi. Intestinal cseca are absent. 



There are about 56 setae in each somite, which are arranged so as 

 to leave small dorsal and ventral gaps, as in P. lawsoni. The setae 

 are also present on the clitellar somites. 



There are a pair of small sacs in somite xviii. containing long, thin, 

 curved, ornamented setae, as in P. armata, Beddard \ Each sac 

 contains at least 3 setae. 



Length 140 millim., circumference 8 mm. ; number of somites 

 162. 



Hab. Salem (about 1000 ft.), in vret ground. 



PeRICH^TA (PleUROCH^TA ?) GRACILIS, sp. n. 



The clitellum extends over somites xiv., xv., xvi,, xvii., and xviii., 

 and is very vrell marked. 



The male pores are placed in xviii. ; there are no papillae. 



The oviducts open separately, very near together, in somite xiv. 



I think that there are two pairs of spermathecse in somites viii. 

 and ix., respectively, but am a little doubtful about it. 



The gizzard seemed to be in somite vii., but possibly this is a 

 mistake for vi. 



There are two pairs of groups of small nephridia opening on the 

 posterior edges of somites vii. and viii., respectively, a little nearer 

 the ventral line than the spermathecal pores, which occur between 

 somites vii. and viii., and viii. and ix., respectively. I have not 

 ascertained the number of setae per somite, but there are large 

 dorsal and ventral gaps. 



I have found no specially modified genital setae. 



Length 400 millim., circumference 8 mm. ; number of somites 332. 



Hab. Naduvatam, at an elevation of about 6000 feet, in very wet 

 ground. 



I only obtained a single specimen of this very interesting worm, 

 for which I shall make a special search on a future occasion. 



1 Ann. & Mag. Nat. Hist., Oct. 1883, p. 217. 



