Herpeiological Fauna of Palawan and Balabac. 85 



Frontal as long as its distance from the rostral, consider- 

 ablj shorter than the parietals ; one pra3- and two postoculars ; 

 temporals 1 + 2 ; six upper labials, third and fourth entering 

 the eye ; chin-shields two pairs, subequal, the anterior in 

 contact with four labials. Scales in 13 rows. Ventrals 

 245 ( S ) and 268 ( ? ) ; anal entire ; subcaudals 29 ( ^J ) and 

 25 ( ? ) . Black above, with two white streaks along the 

 body, commencing on the parietal shields, and running along 

 the fourth and fifth series of scales ; outer row of scales 

 white, with a black longitudinal streak or a series of black 

 dots; upper lip and a blotch across the pras frontal shields 

 white; belly with black crossbars, each involving two or 

 three ventral shields and separated from each other by two 

 to four white shields ; tail orange or pink, with two or three 

 black blotches or rings. 



Total length 710 millim., tail 45. 



22. Amhlycephalus hoa^ Boie. 



Palawan, Balabac. 



Malay Peninsula, Borneo, Philippines, Java, Moluccas. 



23. Trimeresurus formosus, Schleg. 

 Palawan. 

 Sumatra, Borneo. 



24. Trimeresurus suhannulatus^ Gray. 



Palawan. 



Sumatra, Borneo, Philippines, Celebes. 



BATRACHIA. 



E C A U D A T A. 

 1. Oxyglossus Icevis, Gthr. 

 Balabac. 

 Burma, Malay Peninsula, Sumatra, Philippines. 



2. Rana macrodon^ D. & B. 



Palawan, Balabac. 



Burma, Malay Peninsula, Sumatra, Borneo, Philippines, 

 Java. 



3. Rana palavanensis, sp. n. 



Palawan. Three female specimens. 



Allied to R. modesta, Blgr., DoricB^ Blgr., Limhorgii^ 

 W. Sclater, and Hascheana^ Stol. Vomerine teeth in two 



