48. Calamaria gracillima Giinther. 



Calamaria gracillima^ Giinther, Proc. Zool. Soc. 1872, p. 594, pi. XXXIX, fig. A. 

 Calamaria gracillima^ Boulenger, Cat. Sn. II 1894, p. 350. 



Eye very small; rostral as deep as broad; frontal slightly 

 more broad than long, shorter than the parietals; supraocular 

 very small, confluent with the postocular; no praeocular; four 

 upper labials, second and third entering the eye, second and 

 fourth largest; first lower labial in contact with its fellow 

 behind the mental; three lower labials in contact with the 

 anterior chin-shields; both pairs of chin-shields in contact. 

 Scales in 13 rows; ventrals 300 — 320; anal entire; subcaudals 

 13 — 14. Tail obtuse, rounded at the end. 



Blackish, with a few yellowish or red spots along each side 

 of the body and a pair at the base of the tail. Lower surface 

 blackish. Length of head and body 275 mm.; tail 10 mm. 



Type-specimen examined in the British Museum. 



Habitat: Borneo! (Matang!, Tegora). 



The next two species could not be placed in the dichoto- 

 mical list, as the descriptions are rather incomplete; the specimens 

 could not be examined by me. 



49. Calamaria ornata Werner. 



Calamaria ornata^ Werner, Mitt. Naturh. Mus. Hamburg XXVI 1909, p. 229, fig. 6. 



Snout projecting, rounded; rostral more broad than deep; 

 frontal about twice as long as broad, about three times as 

 broad as a supraocular, shorter than the parietals; one prae- 

 and one postocular; five upper labials, third and fourth entering 

 the eye, fifth largest; mental in contact with the anterior 

 chin-shields, which are twice as long as broad; posterior chin- 

 shields small, separated in the middle. Scales in 13 rows; 

 ventrals 148; anal?; subcaudals 17. 



Coloration? Measurements? (After WERNER; not seen by me). 



Habitat: Sumatra (Sungei Lalak in Indragiri). 



50. Calamaria hosei Giinther. 



Calamaria Hosei, Cninther, Ann. Nat. Hist. (6) XVII 1896, p. 229. 



Eye very small; frontal at least four times as broad as a 

 supraocular; a minute praeocular and a very small postocular; 

 five upper labials; mental in contact with the anterior chin- 



