53. zaocys. 377 
8. Zaocys luzonensis. (Prare XXVI. fig. 2.) 
Zaocys luzonensis, Giinth. Proc. Zool, Soc. 1873, p. 169. 
Rostral as deep as broad, visible from above ; internasals shorter 
than the prefrontals ; frontal once and one third as long as broad, 
as long as its distance from the end of the snout, a little shorter than 
the parietals ; loreal at least twice as long as deep ; one preocular, 
with a subocular below it ; two postoculars ; temporals 24+2; eight 
upper labials, fourth and fifth entering the eye; five lower labials 
in contact with the anterior chin-shields, which are much shorter 
than the posterior, Scales smooth, in 14 rows. Ventrals 205; 
anal divided ; subcaudals 119. Pale clive-brown above, the scales 
edged with black; lower parts yellow, turning to dark olive 
posteriorly. 
Total length 2500 millim. ; tail 650. 
Philippine Islands. 
a. fo (V. 205; C. 119). Lazon. Dr. A. B. Meyer [C.]. (Type.) 
4. Zaocys carinatus. (Prare XXVII. fig. 1.) 
Coryphodon carinatus Giinth. Cat. p. 112 (1858). 
Zaocys carinatus, Giinth Re t. Brit. Ind. x 256 (1864). 
Ptyas korros, part., Blanf. Proc. Zool. Soc. 1881, p. 221. 
Rostral broader than deep, visible from above ; internasals shorter 
than the prefrontals; frontal a little longer than broad, as long as 
its distance from the rostral, a little shorter than the parietals ; two 
or three loreals ; one preocular, with a subocular below it ; two post- 
oculars; temporals 2+2; nine upper labials, fifth and sixth enter- 
ing the eye; five lower labials in contact with the anterior chin- 
shields, which are much shorter than the posterior. Scales in 16 
or 18 rows, two or four middle rows keeled. Ventrals 208-215; 
anal divided; subcaudals 110-118. Brownish olive or blackish 
anteriorly, with yellowish spots or irregular cross bands, yellowish 
or pale brown posteriorly with a large deep-black network; lower 
parts yellowish anteriorly, bluck and yellow posteriorly. 
Total length 3v00 millim.; tail 750. 
Borneo, Sumatra, Malay Peninsula, 
a. do (V. 200; C. ?). Borneo. ve Belcher [P.}, 
| b. g (V. 215; C.118). District of Deli, Su- Me ae [C.}. 
| matra. 
e. & (V. 208; C.110). Singapore. Dr. Dennys [P.}. 
d. ¢ (V.208; C.118). Perak. Peet Anderson 
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