142 



separating the internasals, present or absent; no supraocular; 

 loreal, praeocular and anterior temporal absent. Maxillary 

 teeth numerous, small and equal. Body round, covered with 

 smooth scales without pits, in 15 rows; ventrals rounded. Tail 

 short; subcaudals in two rows. 

 Distribution. Borneo. 



Key to the Indo-Australian species. 



A. A small shield separating the internasals; a broad 



yellowish collar I. /. collaris p. 142. 



B. No shield between the internasals; no yellow collar. . 2. /. cveretti p. 142. 



I. Idiopholis collaris Mocquard. 



Idiopholis collaris, Mocquard, Le Natural. 1892, p. 35; Mem. Soc. Zool. Fr. V 



1892, p. 191, pi. VII, fig. I. 

 Idiopholis collaris^ Boulenger, Cat. Sn. II 1894, p. 327. 



Snout obtuse, short; rostral narrow, more deep than broad; 

 frontal more broad than long, as long as the praefrontals, 



half as long as the 

 parietals ; internasals 

 small, separated by a 

 small shield; supra - 

 oculars, loreals, prae- 

 oculars and temporals 

 absent; six upper labi- 

 als, third and fourth 

 entering the eye, fifth 

 largest and in contact 

 with the parietal; ante- 

 rior chin-shields longer 

 than the posterior. 



Fig. 58. Idiophalis collaris Mocq. 

 After MOCQUARD. 



Scales in 15 rows; ventrals 127; anal entire; subcaudals 28. 



Dark brown above; a broad yellowish-white collar behind 

 the parietals. Lower surface lighter brown. Total length 190 mm. 

 (After MOCQUARD; not seen by me). 



Habitat: N. E. Borneo (Sebruang Valley). 



2. Idiopholis everetti Shelford. 



Idiopholis Everetti^ Shelford, Ann. Nat. Hist. (7) VIII 1901, p. 517. 



Snout obtuse, short; rostral narrow, more deep than broad; 



