Herpetological Fauna of Palawan and Balabac. 83 



Rostral twice as broad as deep, just visible from above ; 

 internasals shorter than the prefrontals ; frontal once and 

 two thirds as long as broad, longer than its distance from the 

 end of the snout, shorter than the parietals ; loreal as deep as 

 long ; one praeocular ; two postoculars, both in contact with 

 the parietal ; temporals 2 + 2, the lower anterior wedged in 

 between the sixth and seventh labials ; eight upper labials, 

 third, fourth, and fifth entering the eye ; four lower labials in 

 contact with the anterior chin-shields, which are as long as 

 the posterior. Scales in 17 rows. Ventrals 153-155 ; anal 

 divided; subcaudals — •? (tail mutilated). Black above, with 

 two white streaks commencing on the parietal shields and 

 running along the sixth series of scales and the adjoining 

 halves ; a white cross bar on the forehead, occupying the 

 anterior two thirds of the frontal and supraocular shields ; a 

 series of white spots along the upper lip ; lower parts white, 

 with a black dot or spot at the outer end of each shield. 



Total length 490 millim. 



In the coloration of its upper parts this snake shows a 

 remarkable similarity to Adeniophis bilineatus, which inhabits 

 the same island. 



10. Tropidonotus spilogaster, Boie. 



Palawan. 



Only known from the Philippines. 



11. Tropidonotus chrysar ejus , Schleg. 



Palawan, Balabac. 



From the Eastern Himalayas and Southern China to 

 Sumatra, Borneo, and Java. 



12. Coluber ery thrums, D. & B. 



Palawan. 



Philippines, Sooloo Islands, Celebes. 



13. Coluber oxycephalies, Boie. 



Balabac. 



Eastern Himalayas, Malay Peninsula, Sumatra, Borneo, 

 Philippines, Java, Celebes. 



14. Dendrophis pictus, 6m. 



Balabac. 



From the Eastern Himalayas and Bengal to the Philip- 

 pines and Moluccas. 



6* 



