328 COLUBRID. 
shields longer than the posterior. Scalesin 15 rows. Ventrals 127 ; 
anal entire; subeaudals 28. Dark brown above, somewhat lighter 
beneath ; a broad yellowish-white collar behind the parietals. 
Total length 190 millim. 
Sebroeang Valley, N.E. Borneo. 
119. RHABDOPHIDIUM. 
Rabdion, part., Dum. §& Bibr. Mém. Ac. Set. xxiii. 1853, p. 441, and 
Erp. Gen, vii. p. 115 (1854) *. 
Rhabdion, Giinth. Cat. Col. Sn. p. 243 (1858); Jan, Arch. Zool. 
Anat. Phys. 11, 1862, p. 28. 
Maxillary teeth 10 to 12, subequal; mandibular teeth subequal. 
Head not distinct from neck; eye small, with round pupil; nostril 
pierced in a small nasal, which is in contact with or narrowly 
separated from the preocular ; a pair of internasals ; no temporals, 
the parietals in contact with the labials. Body cylindrical ; scales 
smooth, without apical pits, in 15 rows; ventrals rounded. Tail 
short ; subcaudals in two rows. 
Celebes. 
1. Rhabdophidium forsteni. 
‘Rabdion forsteni, Dum. § Bibr. vii. p. 116 (1854); Giinth. Cat. 
p- 248 (1858) ; Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 29, and 
Icon. Gén. 13, pl. i. fig. 4 (1865). 
Snout rather pointed. Rostral broader than deep, well visible 
from above; suture between the internasals a little shorter than 
that between the prefrontals; frontal longer than broad, longer 
than its distance from the end of the snout, a little shorter than 
the parietals, about twice’ as broad as the supraocular; a rather 
large preocular, reaching or nearly reaching the nasal; one post- 
ocular ; five (or six) upper labials, third and fourth entering the eye ; 
first lower labial in contact with its fellow behind the symphysial ; 
three lower labials in contact with the anterior chin-shields, which 
are longer than the posterior. Scales in 15 rows. Ventrals 137— 
158; anal entire; subcaudals 22-31. Uniform blackish above, 
brown beneath. 
Total length 370 millim. ; tail 45. 
Celebes. 
a,b. 9 (V. 153, 158; C. 26, 22). Celebes. 
120. PSEUDORHABDIUM. 
Rabdion, part., Dum. § Bibr. Mém, Ac, Sc. xxiii. 1853, p. 441, and 
Erp. Gén. vii. p. 115 (1854). 
Pseudorabdion, Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 10. 
Oxycalamus, Giinth. Rept. Brit. Ind. p. 199 (1864). 
Maxillary teeth 10 to 12, subequal; anterior mandibular teeth 
slightly longer than the posterior. Head not distinct from neck ; 
* Name preoccupied (Rhabdium, Wallr., 1888). 
