121. CAXAMARIA. 337 



the supraocular ; one praeocular ; one postocular ; diameter of the 

 eye equal to its distance from the mouth ; five upper labials, 

 third and fourth entering the eye; symphysial in contact with the 

 anterior chin-shields ; posterior chin-shields separated (or in 

 contact). Scales in 13 rows. Ventrals 165 (149); anal entire; 

 subcaudals 12 (19). Tail ending in a point. Brown above, with 

 longitudinal black lines or scries of spots; head blackish above; 

 scales of the outer series with a yellowish spot ; lower parts uniform 

 yellowish. 



Total length 280 millim. ; tail 13. 



Sumatra, Java. 



a. $ (V. 166 ; C. 12). - ? Dr. Bleeker. (One of the types.) 



The following appears to be closely allied to, and may have to be 

 regarded as a colour-variety of, C. margaritifera : 



CALAMARIA HOEVENII. 



Calamaria hoevenii, Edeling, Nat. Tijdschr. Nederl. 2nd. xxxi. 1870, 

 p. 380. 



Rostral well visible from above ; frontal once and a half as long 

 as broad ; five upper labials, third and fourth entering the eye ; 

 symphysial iu contact with the anterior chin-shields ; a small scale 

 between the two pairs of chin-shields. 13 rows of scales. Ven- 

 trals 169 ; anal entire ; subcaudals 9. Brown above, head marbled 

 with black ; back with transverse pale black-edged bands ; a series 

 of whitish spots along the outer row of scales ; lower parts yellowish 

 with black spots. 



Total length 305 iffillim. ; tail 13. 



Sumatra. 



8. Calamaria prakkii. 



Calamaria prakkei, v. Lidth de Jeude, Notes Leyd. Mut. xv. 1893, 

 p. 252. 



Rostral as deep as broad, well visible from above ; frontal once 

 and a half as long as broad, shorter than the parietals ; one pra- 

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

 the eye ; symphysial in contact with the anterior chin-shields ; no 

 azygous shield between the four chin-shields. Scales in 13 rows. 

 Ventrals 126-144 ; anal entire ; subcaudals 25-30. Tail obtuse, 

 with a conical scale at the end. Dark brown above, with bluish 

 gloss ; scales of the outer row with a light spot ; some specimens 

 brown, with rather indistinct blackish longitudinal lines ; an indi- 

 cation of a light collar may be present ; belly yellow, with or 

 without small dark spots ; lower surface of tail usually with a 

 median black line. 



Total length 260 millim. ; tail 40. 



North Borneo. 



VOL. II. I 



