84 Mr. G. A. Boulenger on the 



15. DendrelapMs caudolineatus^ Gray. 



Palawan, Balabac. 



Southern India, Malay Peninsula, Sumatra, Borneo. 



16. Calamaria Everetti^ Blgr. 



Palawan. 



Two specimens are referred to this species, recently 

 described (Proc. Zool. Soc. 1893, p. 525) from Sarawak. 

 They differ, however, from the type in the coloration. The 

 dark nuchal blotch and yellow collar are absent, and in one 

 of the specimens a series of black dots runs along the middle 

 of the belly. Ventrals 184 and 175 ; subcaudals 16 and 18. 



17. Dipsas dendrophilaj Schleg. 

 Palawan. 

 Malay Peninsula, Sumatra^ Borneo, Philippines, Java, 



Celebes. 



18. Psammodynastes pulverulentus , Boie. 



Palawan, Balabac. 



From the Eastern Himalayas to the Philippines and 

 Timor. 



19. Cerberus rliynchops, Schneid. 

 Palawan. 



From India and Ceylon to New Guinea and the north 

 coast of Australia. Enters salt water. 



20. Naia tripudians, Merr. 



Palavran. 



From Transcaspia and Southern China to Sumatra, 

 Borneo, the Philippines, and Java. 



The young si)ecimen obtained on Palawan by Mr. Everett 

 is black, with 11 whitisli annuli, the first interrupted on the 

 nape and confluent with the white of the throat and upper 

 lip. 23 scales across the neck, 19 across the middle of the 

 body. Ventrals 185; subcaudals 47, second and third entire. 



This form is intermediate between the true N. tripudians 

 and N. sputatrix. 



21. Adeniophis hilmeatus. 



Callophis bilineatus, Peters, Sitz. Ges. naturf. Fr. Berlin, 1881, p. 109. 



Palawan, Balabac. 



The following diagnosis is taken from two specimens 

 obtained by Mr. Everett, a female from Puerto Princesa and 

 a male from Balabac : — 



