38 



3- Cylindrophis opisthorhodus Boulenger. 



Cylindyophis opisthorhodus^ Boulenger, Ann. Nat. Hist. (6) XIX 1897, p. 506. 



Diameter of the eye about one third its distance from the 

 nostril ; the distance between the eyes greater than the length 

 of the snout; nasals forming a suture; frontal as large as the 

 supraocular, slightly larger than the parietals, as long as its 

 distance from the rostral; six upper labials, third and fourth 

 entering the eye. Scales in 23 rows; ventrals only a little larger 

 than the neighbouring scales, 184 — 187; anal divided, sub- 

 caudals 6 — 7. 



Pale brown or bufif above, with small, irregularly disposed 

 black spots ; head yellowish, black-spotted. Lower surface white, 

 with continuous or alternating black transverse bars, which 

 are connected on the sides by a black stripe from behind the 

 head to the base of the tail; an interrupted black stripe along 

 the middle of the belly; anal region black; lower part of tail 

 of a bright pink colour. Total length 230 mm. 



Type-specimens examined in the British Museum. 



Habitat: Lombok 1500 feet!. 



4. Cylindrophis boulengeri Roux. 



Cylindrophis boulengeri^ Roux, Zool. Jahrb. Syst. XXX 191 1, p. 500. 



Diameter of the eye about one third its distance from the 

 nostril; the distance between the eyes equals the length of 

 the snout ; nasals forming a suture ; frontal larger than the 

 supraocular, much larger than the parietals, triangular, the 

 anterior border as long as its distance from the snout and a 

 little longer than its length ; six upper labials, third and fourth 

 entering the eye. Scales in 20 rows; no enlarged ventrals; 

 subcaudals 6. 



Black above; a white wavy line on the upper labials; on 

 each side of the nape a triangular spot, the point directed 

 posteriorly. Lower surface greyish-black with yellowish-white 

 transverse bands of 2—3 rows of scales; subcaudals white. 

 Total length 550 mm. (After Roux; not seen by me). 



Habitat: Wetar. 



5. Cylindrophis isolepis Boulenger. 



Cylindrophis isolepis^ Boulenger, Ann. Nat. Hist. (6) XVHI 1896, p. 62. 



Diameter of the eye two fifths its distance from the nostril; 



