121. OAIAMAKU. 343 



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

 long as the parietals ; one prteocular ; postocular fused with the 

 supraocular ; diameter of the eye less than its distance from the 

 mouth ; five upper labials, third and fourth entering the ej^e, fifth 

 largest; first lower labial in contact with its fellow behind the 

 symphysial ; both pairs of chin-shields in contact with each other. 

 13 rows of scales. Ventrals 146 ; anal entire ; subcaudals 21. Tail 

 ending in a point. Blackish brown, a little lighter below ; a white 

 lateral stripe, running along the second and third series of scales. 



Total length 245 miUim. ; tail 12. 



Mt. Kiua Baloo, N. Borneo. 



The fusion of the postocular with the supraocular may prove not 

 to be a constant character. 



19. Calamaria beccarii. 



Calamaria beccarii, Peters, An. Mus. Genova, iii. 1872, p. 34. 



Rostral visible from above ; frontal longer than broad ; one pr£e- 

 and two postoculars ; five upper labials | first pair of lower labials in 

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

 with each other. ] 3 rows of scales. Ventrals 150 ; anal entire ; 

 subcaudals 1(3. Brown above, with six darker longitudinal lines ; 

 dirty white inferiorly, with a black line along the hinder half of the 

 tail. 



Total length 183 millim. ; tail 14. 



Sarawak, Borneo. 



20. Calamaria retentischii. (Plate XYIII. fig. 3.) 



Calamaria rebentischi, Bleeh. Nat. Tijdschr. Nederl. Ind. xxi. 1860, 

 p. 293. 



^ Rostral broader than deep, well visible from above ; frontal a 

 little longer than broad, shorter than the parietals, about twice and 

 ahalf as broad as the supraocular ; no prteocular ; one postocular ; 

 diameter of the eye much 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 

 142 ; anal entire ; subcaudals 29. Tail ending in a rather obtuse 

 point. Purplish brown above, each scale of the outer row with a 

 whitish spot ; uniform yellowish inferiorly. 



Total length 270 millim. ; tail 37. 



Borneo. 



a. S (V. 142 ; C. 29). Sinkawang. Dr. Bleaker. (Type.) 



21. Calamaria agamensis. 



Calamaria agameusis, Bleeh. Nat. Ti/dschr. Nederl. Ind. xxi 1860 

 p. 292 ; Giinth. Ann. ^- Mag. N. H. (3) xv. I860, p. 89. ' 

 dumerili, Bleek, I. c. 



