120. PsEUDORHARBDIUM. 32¢ 
eye small, with round pupil; nostril pierced in a minute nasal ; 
internasals small; no loreal; preocular small or absent; no tem- 
porals, 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. 
Malay Peninsula and Archipelago. 
1. Pseudorhabdium longiceps. 
Calamaria longiceps, Cantor, Cat. Mal. Rept. p. 63, pl. —. fig. 1 
(1847). 
Rabdion torquatum, Dum. § Bibr. vii. p. 119 (1854); Peters, Mon. 
Berl. Ac. 1861, p. 684. 
Pseudorabdion torquatum, Jan, Arch. Zool. Anat. Phys. ii. 1862, 
p- 10, and Icon. Gén. 10, pl. iii. fig. 3 (1865). 
Oxycalamus longiceps, Giinth. Rept. Brit. Ind. p. 199 (1864) ; 
Stoliczka, Journ. As. Soc. Beng, xiii. 1873, p. 120. 
Pseudorhabdion longiceps, Bouleng. Ann. & Mag. N. H. (5) xvi. 
1885, p. 389. 
Snout rather pointed, Rostral small, as deep as broad, well 
visible from above; suture between the internasals one third or 
one fourth the length of that between the prefrontals ; frontal a 
little longer than broad, as long as or a little shorter than its distance 
from the end of the snout, shorter than the parietals, more than twice 
as broad as the supraocular; preocular small (rarely absent) ; one 
postocular; five upper labials, third and fourth entering the eye; 
symphysial in contact with the anterior chin-shields ; three lower 
labiaisin contact with the anterior chin-shields, which are about twice 
as large as the posterior. Scales in 15 rows. Ventrals 129-146; 
anal entire; subcaudals 10-28. ‘Tail pointed. Iridescent brown or 
black, with or without a yellowish collar; usually a yellowish 
vertical spot above the angle of the mouth. 
Total length 230 millim, ; tail 35 (3). 
Malay Peninsula, Sumatra, Borneo, Philippines, Celebes. 
a 6 {V.. 1382); Ch25). Pinang. Dr. Cantor. (Type.) 
b-c. § (V. 182; C. 24) & Perak. L. Wray, Esq. [P.]. 
(V. 141; CG. 19). 
d. 9 (V. 148; C. 18). Perak. G. E. Dobson, Esq. [ P.]. 
e 2 Wrilsa; €520): Singapore. Dr. Dennys [P.]. 
Fe Yon (VE reo €. 28): Singapore. H. N. Ridley, Esq. [P.]. 
g-h. 3 (V. 182; C. 28) & Deli, Sumatra. Prof. Moesch [C.]. 
@ (V. 146; C. 19). 
t. 9 (V. 187; ©. 10). Nias. Hr. Sundermann [C.]. 
ke O(N GAS? Go 21), Pontiana, Borneo. Prof. Peters [P.]. 
Ld (VY. 1295, @. 28), Borneo. 
2. Pseudorhabdium oxycephalum. 
Rhabdosoma oxycephalum, Giinth. Cat. p. 242 (1858). 
Oxycalamus oxycephalus, Giinth. Proc. Zool. Soc. 1873, p. 168, fig. 
Closely allied to the preceding, but differing in the following 
