342 COLTTBEID^. 



A. Back unifonn purplish brown, with mere traces of darker lines. 



a. Hgr. (V. 133 ; C. 17). Ampatlawang. Dr. Bleeker. 



(One of the types.) 



B. Pale brown above, with eight blackish longitudinal lines. 



b. 2 (V. 151 ; C. 16). Borneo. L. L. Dillwyn, Esq. [P.]. 



(Type of C. arcticeps.) 



c. 2 (V. 149 ; C. 14). Borneo. Dr. Collingwood [P.]. 



d. 5 (V. 147; C. 14). Labuan. A. Everett, Esq. [C.]. 



e. Hgr. (V. 143 ; C. 14). Kina Baloo. A. Everett, Esq. [C.J. 



16. Calamaria occipitalis. 



Calamaria occipitalis, Jan, Arch. Zool. Anat. Phjs. ii. 1862, p. 9, and 

 Icon. Gen. 10, pi. iii. fig. 1 (1865). 



Eostral much broader than deep, just visible from above ; frontal 

 longer than broad, as long as the parietals, once and a half as broad 

 as the supraocular ; one prseocular ; one postocular ; diameter of 

 the eye less than its distance from the mouth ; five upper labials, 

 third and fourth entering the eye : first lower labial in contact 

 with its fellow behind the symphysial ; two pairs of chin-shields, in 

 contact with each other. Scales in 13 rows. Ventrals 177-179 ; 

 anal divided ; subcaudals 20-21. Tail ending in a point. Blackish 

 above ; upper lip, a band across the occiput, two outer series of 

 scales, and lower parts whitish ; a blackish line along the lower 

 surface of the tail. 



Total length 500 millim. ; taU 40. 



Java. 



17. Calamaria bicolor. 



Calamaria bicolor, Dtim. ^ Bibr. vii. p. 78 (18-54) ; Jan, Arch. Zool. 

 Anat. Phys. ii. 1862, p. 9, and Icon. Gen. 10, pi. ii. fig. (1865). 



Eostral as deep as broad, visible from above ; frontal longer than 

 broad, nearly as long as the parietals, about thrice as broad as the 

 supraocular ; a prteocular and a postocular ; diameter of the eye a 

 little less than its distance from the mouth ; five upper labials, third 

 and fourth entering the eye : first pair of lower labials forming a 

 suture behind the symphysial ; two pairs of chin-shields, in contact 

 with each other. Scales in 13 rows. Ventrals 143-152; anal 

 entire ; subcaudals 24-29. Tail ending in a point. Black above ; 

 upper lip, two outer series of scales, and lower parts whitish ; lower 

 surface of tail with or without a black longitudinal line. 



Total length 375 mUlim. ; tail 57. 



Borneo. 



a. S (V. 143 ; C. 29). Sarawak. Eajah Brooke [P.]. 



18. Calamaria lateralis. 



Calamaria lateralis, Mocquard, Le NaturaUste, 1890, p. 154, and 

 Nouv. Arch. Mus. (3) ii. 1890, p. 136, pi. viii. fig. 4. 



