51. DRroc\L\Mcrs. 371 



r-s. Jl<rv. (V. 213, 21.-i: CjvIo i. U.-. A. GaatUer [P.]. 



C. 78, 7.1). 

 t. [Lrv. (V. 200; C. 88). CjvIou. W. Ferj,nison, E^q. rp.]. 



u. cj" (V. 206 ; C. 80). CeVloii. Col. Beddome [C.J. ' 



V. Hgr. (V. 232; C. 84). — - ? T. C. Eytoii, Esq. [P.]. 



(Type of //. sem'fasciatus.) 



2. Dryocalamus subannulatus. 



Odoutomiis subannulatus, Dum. Sf Bibr. vii. p. 454 (18o4) ; Jan, 



Icon. Gen. 30, pi. v. fig. 3 (1870). 

 Nvmphopliidiuui niaculauxm, Glhith. Rept. Brit. Ltd. p. 23-3, pi. x\x. 



'fi^-. 11 (1864) ; F. Mull. Verh. 7iat. Ges. Basel, vii. 18S2, p. loO. 



subaniiulatum, Blanf. Proc. Z»oL Sac. 1881, p. 219. 



llvdropliobus subannulatus, Bualen//. Faun. Ltd., Rept. p. 297 



(1890). 



Rostral not twice as broad as deep, visible from above ; uasal 

 divided or somidivided ; suture between the internasals as lon,:^ as 

 or longer than that between the prcefrontals ; frontal once and a 

 halt" as long as broad, longer than its distance from the end of the 

 snout, shorter than the parietals ; loreal longer than deep, entering 

 the eye; one prae- and two postoculars ; temporals 2 + 2; seven 

 upper labials, third and fourth entering the eye ; three or four 

 lower labials in contact with the anterior chiii-shields, which are 

 longer than the posterior. Scales in 15 rows. Ventrals 225-244 ; 

 anal entire ; subcaudals 93-107. Pale brownish above, with a 

 dorsal series of large brown transverse spots, and, on each side, a 

 series of small spots alternating with the dorsals : a brown band 

 across the projfrontals, another between the eyes, and a large brown 

 blotch on the parietals : yellowish beneath. 



Total length 295 millim. ; tail 70. 



Sumatra, Singapore, Pinang. 



ff. c? (V. 244; C. 107). Singapore? Gen. Hardwicke [P.]. 



(Tvpe of N. maculatnm.) 

 b. 5 (V. 225; C.93). Sumatra. Dr. Bleeker. 



{Coronella pi'osopeion, Blkr.) 



3. Dryocalamus gracilis. (Plate XXY. fig. 2.) 



Odontomus gracilis, Giinth. Rept. Brit. Ind. p. ^34 (1864). 



fergusonii, Haly, Taprobania/i, iii. 1888, p. 51. 



Hydrophobus gracilis, Bouleng. Faun. Ind., Rept. p. 298 (1890). 



Rostral twice as broad as deep, just visible from above ; nasal 

 semidivided : suture between the internasals as long as that between 

 the prajfrontals ; frontal longer than its distance from the end of 

 the snout, shorter than the parietals ; loreal longer than deep, 

 entering the eye, separated from the supraocular by a small pra)- 

 ocular ; two postoculars; temporals 2 + 3; se%-on upper labials, 

 third and fourth entering the eye ; four lower labials in contact 

 with the anterior chin-shields, which are longer than the posterior. 

 Scales in 15 rows. Ventrals 200-234 ; anal entire ; subcaudals 

 75-85. Whitish, each scale brown in the centre, with large dark 



2b2 



