159 



ends; a dark median line along the tail. Length of head and 

 body 167 mm.; tail 26 mm. 



Type-specimen examined in the Amsterdam Museum. 



Habitat: Simalur W. off Sumatra ! 



12. Calamaria simalurensis n. sp. 



Diameter of the eye one time and one third its distance 

 from the mouth; rostral more broad than deep; frontal more 

 long than broad, twice as broad as a supraocular, shorter than 

 the parietals; one prae- and 

 one postocular; five upper 

 labials, third and fourth 

 entering the eye; mental in 

 contact with the anterior 

 chin-shields; both pairs of 

 chin-shields in contact. 

 Scales in 13 rows; ventrals 

 136; anal entire; subcaudals 

 27. Tail ending in a point. 



Dark brown above, with 

 black spots in longitudinal 

 series; outer row of scales 

 with white spots, an indistinct narrow yellow collar on the 

 nape, broadening on the sides. Lower surface yellow, each 

 ventral (except the 9 anterior) and subcaudal with a dark brown 

 triangular spot on the outer end. Length of head and body 

 229 mm.; tail 34 mm. 



Type-specimen examined in the Amsterdam Museum. 



Habitat: Simalur W. off Sumatra! 



Fig. 65. Calamaria simalurensis n. sp. 

 Chin-shields. X 3V 2 - 



13. Calamaria gracilis Boulenger. 



Calamaria gracilis, Boulenger, Ann. Nat. Hist. (6) XVIII 1896, p. 63; Proc. 

 Zool. Soc. 1897, pi. XIV, fig. 3. 



Diameter of the eye equals its distance from the mouth; 

 rostral slightly more broad than deep; frontal one time and 

 a half as long as broad, twice as broad as a supraocular, much 

 shorter than the parietals; one prae- and one postocular; five 

 upper labials, third and fourth entering the eye; mental and 

 three lower labials in contact with the anterior chin-shields; 

 both pairs of chin-shields in contact. Scales in 13 rows; ventrals 



