93. OLIGODON. 237 
as its distance from the frontal: suture between the internasals as 
long as that between the preefrontals, or a little shorter; frontal 
much longer than its distance from the end of the snout, as long as 
the parietals ; no loreal, the posterior nasal sometimes forming a 
suture with the preocular; preocular single; two postoculars ; 
temporals 14+2, or 1+1-+2; upper labials seven, third and fourth 
entering the eye; four lower labials in contact with the anterior 
chin-shields ; posterior chin-shields about two thirds the length of 
the anterior. Scalesin 17 rows. Ventrals 129-142; anal divided ; 
subcaudals 25-36. Brown above, with more or less distinct darker 
cross lines; head with dark symmetrical transverse markings, which 
are usually connected by a median longitudinal streak. Lower 
surfaces white (in spirit) with square black spots, both colours 
being distributed in nearly equal proportion. 
Total length 330 millim.; tail 50. 
South-western India, 
Ga 2 (V. 1825 C. 27). Anamallays. Col. Beddome [C.]. 
(Type-) 
b-c, d-f. S (V. 1387, 129; Wynad, 50u0 feet. Col. Beddome [C.]. 
C. 33, 36), @ (V. 186, 
139; C. 25, 28), & yg. 
(V. 142; C. 26). 
4. Oligodon bitorquatus. 
Russell, Ind. Serp. ii. p. 39, pl. xxxiv. 
Oligodon bitorquatus, Bove, Isis, 1827, p. 519. 
Calamaria oligodon, Schleg. Phys. Serp. 11. p. 40, pl. 1. figs. 27-29 
(1837), and Abbild, p. 96, pl. xxv. 
Oligodon subquadratus, Dum. § Bibr. vii. p. 55 (1854) 5 Giinth. Cat. 
p- 21 (1858) ; Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 37, and 
Icon. Gén. 13, pl. iv. figs. 5 & 6 (1865). 
Rabdosoma amboinense, Bleek. Nat. Tijdschr. Nederl. Ind. xxii. 
1860, p. 42. 
Nasal divided ; portion of rostral seen from above shorter than 
its distance from the frontal ; suture between the internasals shorter 
than that between the prefrontals ; frontal longer than its distance 
from the end of the snout, as long as or a little shorter than the 
parietals; loreal usually present, a little longer than deep; one 
pre- and two postoculars ; temporals 14-2 or 2+2; seven upper 
labials, third and fourth entering the eye; three or four lower 
labials in contact with the anterior chin-shields ; posterior chin- 
shields one half to two thirds the length of the anterior. Scales 
in 17 rows. Ventrals 140-155; anal entire; subcaudals 35-46. 
Purplish brown or blackish above, with yellow (or red) dots and 
usually a vertebral series of larger spots; head with symmetrical 
blackish markings and one or two chevron-shaped yellowish bands, 
the second on the occiput and nape; belly red, with quadrangular 
or transverse black spots. 
Total length 370 millim. ; tail 67. 
Java, Amboyna. 
