4 o 



Head depressed, snout rounded; nostril between two nasals; 

 frontal as long as its distance from the rostral; praeocular large; 

 two postoculars, upper one largest; a small supraocular, smaller 



Fig. 20. Xenopeltis unicolor Reinw. X '/2- Upper view of head. 



than the upper postocular; a large, azygous interparietal, in 

 the middle of four parietals; eight upper labials, first in contact 

 with the internasal, fourth and fifth entering the eye; a pair 

 of small chin-shields, in contact with the three 

 anterior lower labials. Scales in 1 5 rows, smooth ; 

 ventrals 164 193; anal divided; subcaudals 

 26 31. 



Brown or blackish above, iridescent, the scales 

 light-edged ; upper lip pale yellow. Lower surface 

 white. In young specimens the head is whitish 

 and a yellow collar is present. Length of head and 

 body 900 mm.; tail 100 mm. 



Nom. indig. Ular ekor merak; Soratu (Sima- 

 iuv}- Ulen tana (C. Celebes). 



-* T u , c- i XT c- / r> i 



Habitat: Simalur!; Nias!; Sumatra (Pulu 



v 



young specimen. Weh!, Atjeh, Medan !, Labuan, Langkat, Indra- 

 X 2'/ 2 . giri, Singkarah !, Rau, Gunung Sahilan !, Agam, 

 Ringgat!, Padang!, Palembang!); Siak !; Riou !; 

 Banka !; Java (Gadok, Buitenzorg !, Preanger, Salatiga !, Tengger 

 Mts. 1 200 M.) ; Borneo! (Kuching, Singkawang, Kapuas river, 

 Kutei, Bulangan river, Balikpapan, Bandjermassin); Celebes 



Fig. 21. 



peltis unicolor 



. , . 

 Keinw. Head of 



