51. DRYOCALAMUS. 37] 
r-s. ie (V. 213, 215; Cayloa. D:. A. Giinther [P.}. 
C. 78, 75). 
t. Hgr. (V. 200; C. 88). Ceylon. W. Ferguson, Eaq. [P.). 
u. ¢ (V. 206; C. 80). Ceylon, Col. dome ot 
v. Hgr. (V. 232; C. 84), Seats T. C, Eyton, Esq. [P.’. 
(Type of HL, semifasciatus.) 
2. Dryocalamus subannulatus. 
Odontomus subannulatus, Dum. § Bibr. vii. p. 454 (1854); Jan, 
Icon. Gén. 36, pl. v. fig. 8 (1870). 
Nymphophidium maculatum, Giinth. Rept. Brit. Ind. P 235, pl. xix. 
fig. H (1864); F. Miill. Verh. nat. Ges. Basel, vii. 1832, p. 150. 
—— subannulatum, Blanf. Proc. Zool. Soc. 1881, p. 219. 
ae) subannulatus, Bouleng. Faun. Ind. Rept. p. 297 
Rostral not twice as broad as deep, visible from above; nasal 
divided or semidivided ; suture between the internasals as long as 
or longer than that between the prefrontals; frontal once and a 
half 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 pre- 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 chin-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 prefrontals, another between the eyes, and a large brown 
blotch on the parietals ; yellowish beneath. 
Total length 295 millim. ; tail 70. 
Sumatra, Singapore, Pinang. 
a. 5 (V. 244; C. 107). Singapore ? Gen. Hardwicke [P.}. 
(Type of N. maculatum.) 
b. 2 (V. 225; C. 93). Sumatra. Dr. Bleeker. 
(Coronella prosopeion, Blkr.) 
3. Dryocalamus gracilis. (Puiate XXV. fig. 2.) 
Odontomus gracilis, Giinth. Rept. Brit. Ind. p. 234 (1864), 
—— fergusonii, Haly, Taprobanian, 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 prefrontals ; 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 pre- 
ocular; two postoculars; temporals 2+3; seven 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 
2382 
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a. 
a 
