1. TJEOPBtTIS. 139 



Terminal eaudal scute small, square at the end or bicuspid, the 

 points side by side 3. SilylDUra, p. 144. 



Tail compressed, the terminal scute with two superposed, single or 

 bifid points 4. Pseudoplectrurus, p. 160. 



2. A supraocular shield 5. Plectrurus, p. 160. 



B. A mental groove •. . . 6. MelanopMditim, p. 163. 



II. Eye distinct from the surrounding shields ; a temporal shield 

 separates the fourth labial from the parietal. 



7. Platyplectrurus, p. 165. 



1. UROPELTIS. 



Uropeltis, part., Cuv. S. A. 2nd ed. ii. p. 76 (1829). 



Uropeltis, Miiller, Zeitschr.f. Physiol, iv. 1832, p. 252; Gray, Cat. 



Liz. p. 141 (1846) ; Dum. ^- Bibr. Erp. 04n. vii. p. 160 (1854) ; 



Peters, Uropelt. p. 19 (1861) ; OUnth. Mept. Brit. Ind. p. 188 



(1864); Beddome, Ann. Sf Mag. N. H. (5) XTii. 1886, p. 9; 



Boulenff. Faun. Ind., Rept. p. 258 (1890). 

 Pseudo-Typhlops, part., Schley. Abhild. p. 40 (1844). 



Eye in the ocular shield ; no supraocular, no temporal shields. 

 No mental groove. Tail obliquely truncated, ending in a large, 

 circular or oval, flat shield. 



Ceylon. 



1. Uropeltis grandis. 



Uropeltis pMlippinua, Cuv. S. A. 2nd ed. ii. p. 76 (1829) ; Miill. 



Zeitschr. f. Physiol, iv. 1832, p. 252, pi. xxii. fig. 2 ; PJydoux ^ 



Gervais, in Gu^r. Mag. ZooL, CI. iii. pi. xiii. (1837), and Voy. 



Favorite, v. Zool. p. 66, pi. xxvi. (1839) ; Gray, Cat. Liz. p. 141 



(1845) ; JDum. 8f Bibr. vii. p. 161, pi. lix. fig. 2 (1854) _; Peters, 



Uropelt. p. 20 (1861) ; Jan, Icon. G4n. p. 46, 1. 9, pi. ii. fig. 1 



(1865). 

 Pseudo-Typhlops philippinus, Schleg. Abhild. p. 44 (1844). 

 Uropeltis grandis, Kelaart, Prodr. Faun. Zeyl. ii. p. 15 (1853) ; Gray, 



Proc. Zool. Soc. 1858, p. 262 ; Giinth. Rept. Brit. Ind. p. 188 (1864) ; 



Theob. Cat. Rept. Brit. Ind. p. 132 (1876) ; Beddome, Ann. SfMag. 



N. a. (5) xvii. 1886, p. 9 ; Bouleng. Fatm. Ind., Rept. p. 2-54, fig. 



(1890). 



saffragamus, Kelaart, I. c, p. 15. 



pardalis, Kelaart, I. c. p. 16 ; Gray, Proc. Zool. Soc. 1858, p. 268. 



Snout acutely pointed ; rostral convex, miich produced posteriorly, 

 nearly as long as the frontal ; nasals forming a suture behind the 

 rostral. Diameter of body about one twentieth of the total length. 

 19 scales round the middle of the body, 23 behind the head. 

 Ventrals not twice as large as the contiguous scales, 129-147; sub- 

 caudals 6-9. Caudal disk longer than the shielded part of the head. 

 Dark brown or blackish above, with or without yellow spots ; yellow 

 beneath, with or without dark brown spots. 



Total length 460 millim. 



Ceylon (Ceiitral Provinces). 



