226 COLUBRID. 
11. Simotes signatus. 
Simotes purpurascens, var. F, Giinth. Cat. p. 26 (1858). 
signatus, Giinth. Rept. Brit. Ind. p. 215, pl. xx. fig. F (1864). 
Nasal divided ; portion of rostral seen from above shorter than 
its distance from the frontal; suture between the internasals as 
long as or shorter than that between the prefrontals; frontal 
longer than its distance from the end of the snout, as long as the 
parietals; a small square loreal; one pre- and one postocular ; 
temporals 1+2; seven upper labials, third and fourth entering the 
eye ; three or four lower labials in contact with the anterior chin- 
shields, which are a little longer than the posterior, Scales in 17 
rows. Ventrals 141-157; anal entire; subcaudals 47-59. Dark 
brown above, with yellowish cross bands or transverse rhomboidal 
spots ; the first two cross bands cheyron-shaped ; head with dark 
brown symmetrical markings separated by yellowish interspaces ; 
belly yellowish, with a lateral series of brown spots. 
Total length 520 millim.; tail 180. 
Malay Peninsula, Sumatra, Java. 
a. 6 (V. 149; C. 59). Singapore. Gen. Hardwicke [P.]. 
b. 9 (V. 157; C. 47). Singapore. Haslar Collection. 
(Types.) 
c. 9 (V.151; C. 50). Deli, Sumatra. Prof. Moesch [C.]. 
ad. o (V. 141; C. 52). Java. Dr. Ploem [C.]. 
12. Simotes subcarinatus. 
Simotes subcarinatus, Giinth. Proc. Zool. Soc. 1872, p. 595, pl. xxxix. 
fig. B 
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 nearly as broad as long, 
longer than its distance from the end of the snout, as long as the 
parietals; a small square loreal; one pre- and one postocular ; 
temporals 1+1+2; seven upper labials, third and fourth entering 
the eye; four lower labials in contact with the anterior chin-shields, 
which are nearly twice as large as the posterior. Scales feebly 
keeled, in 17 rows. Ventrals 155; anal entire; subcaudals 50. 
Dark brown above, with yellowish, black-edged cross streaks, the 
anterior of which are chevron-shaped ; head yellowish, with sym- 
metrical dark brown markings ; belly yellowish, with a few brown 
spots on the sides. 
Total length 395 millim. ; tail 80. 
Borneo. 
a2 (V. 155; C..50). Sarawak, (Type.) 
13. Simotes annulifer. (Prare VIII. fig. 3.) 
Simotes annulifer, Bouleng. Proc. Zool. Soc. 1898, p. 524. 
Nasal divided ; portion of rostral seen from above slightly shorter 
