3, SILTBTJRA. 



14; 



longer than broad. Eye small, not half the length of the ocular. 

 Diameter of body 22 to 31 times in the total length. Scales in 

 17 rows round the middle of the body, 19 behind the head. Ven- 

 trals but little larfjer tlian the contiguous scales, 141-166. Sub- 

 caudals 6-10. Tail round or slightly compressed, the terminal 

 scute with two small spines ; caudal scales with very faint keels. 

 Dark brown, with yellow spots more or less confluent into a lateral 

 band. In three youug specimens in the collection (k-m) the colour 

 is yellow, each scale of the upper surface, chin, and tail with a 

 dark brown spot. 



Total length 270 millim. 



Ceylon (Central Provinces). 



a-d. S (V. 157, 152 ; C. 10, 10) Ceylon. 



& 2 (V. 164, 165 ; C. 5, 5). 

 e-i. S (V. 150, 157 ; C. 10, 9) Ceylon. 



& 2 (V. 162, 166, 162 ; C. 6, 



6,7). 

 k, l-m. Yg. (V. 153, 141, 144 ; Ceylon. 



C. 9, 10, 9). 

 n. S (V. 153 ; C. 10). Ceylon. 



o. S (V. 152; C. 9). Ceylon. 



p. 6 (V. 155 ; C. 9). Ceylon. 



q. Skeleton. Ceylon. 



(T^-pes.) 



G. H. K. Thwaites, Esq. 



[P.]. 



G. H. K. Thwaites, Esq. 



[P.]. 

 C. R. Buller, Esq. [P.]. 

 Sir A. Smith [P.]. 



2. Silybura pulneyensis. 



Plectrurus pulneyensis, Beddome, Proc. Zoo/. Sue. 18GG, p. 228, 



pi. XXV. fig. 2. 

 Rhinophis pulneyensis, G'dnth. Rept. Brit. hid. p. 187, pi. xvii. 



fig. C (1864) ; "Thcob. Cat. Rept. Brit. hid. p. 131 (1876). 

 Silybura wood-masoni, Theob. op. cit. p. 135. 

 guentheri, Beddome, Proc. Zool. Sue. 1878, p. 801, a?id Ann. <^ 



Ma<j. N. II. (5) xvii. 1886, p. 23. 

 pulneyensis, Beddome, Ann. S/- Mag. N. H. (5) xvii. p. 23 ; 



Boulenq. Faun, hid., Rept. p. 260 (1890) ; Boettg. Ber. Offenb. 



Ver. Nat. 1892, p. 76. 



Snout obtusely pointed ; rostral about one fourth the length of 

 the shielded part of the head, longer than its distance from the 

 frontal, entirely separating the nasals ; frontal longer than broad. 

 Eye half the length of the ocular. Diameter of body 30 to 38 

 times in the total length. 17 scales round the middle of the body, 

 19 behind the head. Ventrals about twice as large as the conti- 

 guous scales, 161-180. Subcaudals 6-13. Tail somewhat com- 

 pressed, the terminal scute with two small points; usually some of 

 the terminal scales with faint keels. Brown, with a few minute 

 yellow specks on the back : a yellow lateral band anteriorly ; belly 

 with large yellow, usually alternating, spots or cross bands. In one 

 specimen (6'. guentheri, Bedd.) the belly is uniform yellow. 



Total length 380 millim. 



Pulney and Cumbum Hills (Madura District), Southern India, 

 5000-7000 feet. 



l2 



