1914.] F.H.Stewart: Free- Living Nematodes. 247 



Dorylaimus, sp.^ 

 (PI. XXX, figs. 5—7.) 



(i) One tube unnumbered : horn Suber lies aquae-duldoris, An- 

 nandale, Gantasila, February 1914, and (2) Indian Museum 

 No. ZEV. 6194/7: from Spongilla sp., Pigeon Island, Chilka 

 Lake. 25-1-14. 



Measurements — Table I. 



Head rounded. Body cylindrical (PI. xxx, fig. 5). Tail short, 

 obtusely rounded. Head region narrower than the rest of the 

 body including the tail. 



Head (PI. xxx, fig. 7), no lips or papillae or bristles; no lateral 

 organs, but a pair of tubular organs in the dorsal and ventral 

 lines distant 0008 mm. from the head; opening of tubule slightly 

 prominent; tubule runs inward and backward. Buccal capsule 

 not present; quill 0024 mni. long. 



No rings or marks on the cuticle. 



Tail short and blunt ; in the male one short bristle in front of 

 the anus, and the oblique muscular striation usual in the genus. 



Oesophagus divided into anterior and posterior portions of 

 subequal length by a diaphragm. At the junction of the two 

 sections, the anterior section measures 0022 mm. in diameter, 

 the posterior section 0026 mm., the radial muscular striation of 

 the second section is more distinct and coarse than that of the 

 first section. The posterior part of the second section is glandular 

 in structure, and measures o"03 mm. in diameter. 



Nerve ring at junction of the two sections of the oesophagus. 



Ventral duct or gland not observed. 



Male gonads consist of two opposed testes and the vas deferens. 

 Spicules two, very broadly sabre-shaped. No preanal papillae. 



Female gonads of usual type. Uterine egg elongated sub- 

 cylindrical. 



Most closely allied to Dorylaimus intermedins, deMan: head 

 without lips; tail blunt, very short. 



Monhystera uria, sp. nov. 

 (Pis. xxx and xxxi, figs. 8 — 10.) 



Indian Museum No. ZEV. 6196/7. 



From the gelatinous spawn of a Eunicid worm, Rambha, 

 Chilka I^ake, Ganjam, edge of the lake. 24-1- 14. Six specimens 

 examined, mounted in glycerine-jelly- formalin. Three males, two 

 females, one immature. 



Head rounded. Anterior extremity slightly tapered. Great- 

 est diameter near the middle of the body ; body attenuated 



' Owing to the absence of ;^oological consulting libraries in the smaller 

 stations of India the present writer is unable to assure himself that this species 

 has not already been described. It has consequently not been named, but 

 the writer hopes to be in a position to supply the omission at an early date. 



