3. CYLTNDROPniS. 135 



Torquatrix, part., Ilaioorth, Phil. Mat/. 1825, p. 372. 



Cyliudropbis, IFat/lcr, Icon. Atiij)/i. (1828), a/id Si/st. Amph. p. 195 



(1830) ; JJum. cV />'i7>r. Erp. Gen. vi. p. 51)0 (1844) ; Gray, Cat. Sn. 



p. 1 1 1 (1849) ; Gitiilh.lii'pt. Brit. Ind. p. 178 (1804) ; Jan, Icon. G6n. 



Ophid. p. 55 (18(35) ; Boukny. Faun. Ind., Rept. p. 249 (1890). 



Teeth moderate, subequal, 10 to 12 in each masiUary ; none in 

 prajmaxilhiry. Head small, not distinct from neck ; eyes very 

 small, with round or vertically subelliptic pujnl, distinct from the 

 neighbouring shields ; head with large symmetrical shields ; nostril 

 in a single nasal, which forms a suture with its fellow behind the 

 rostral ; no loreal or pru)ocular ; a small postocular ; a mental 

 groove. Body cylindrical ; scales smooth, in 19 or 21 rows ; ven- 

 trals feebly enlarged. Tail extremely short and blunt. 



Ceylon and South-eastern Asia east of the Bay of Bengal. 



Synopsis of the Species. 



I. Diameter of the eye about half its distance from the nostril ; 



interocular width more than the length of the snout. 



1. rufus, p. 135. 



II. Diameter of the eye one third to one fourth its distance from 



the nostril ; interocular width equal to the length of the snout. 



Parietals at least as large as the frontal. ... 2. macidatus, p. 13G. 

 Parietals smaller than the frontal 3. lineatus, p. 137. 



1. Cylindrophis ntfus. 



Anguis rufa, Laur. Syn. licpt. p. 71 (17(J8). 



seytale, Russell, Ind. Scrp. ii. pis. xxvii. & xxviii. (1801). 



corallina, Shaw, Zool. in. p. 582, pi. cxxxi. (1802). 



Eryx rufus, Daud. Rept. vii. p. 203 (1803). 



Tortrix rufa, Men: Tent. p. 84 (1820) ; Schley. Rhys. Serp. ii. p. 9, 



])1. i. tigs. 1-3 (1837), and Ahhild. p. Ill, pi. xxxiii. tigs. 11-17 



(1844). 

 Scytale scheuchzeri, Merr. I. c. p. 91. 

 llysia rufa, Lichtenst. Vevz. Doubl. p. 104 (1823). 

 Cylindrophis resplendens, Wayl. Icon. Amph. pi. v. fig. 1 (1828). 

 — ^^ — melauotus, Wayl. I. c. (annot.) ; I)um. S,- Bihr. vi. p. 592 



(1844) ; Gray, Cat. p. Ill (1849). 

 ■ rufa, Grai/, Zool. Misc. p. 4G (1842) ; Ihim. 4' Bibr. vi. p. 595 



(1844) ; Cantor, Cat. Mai. Rept. p. 53 (1847) ; Gray, Cat. p. Ill ; 



Gihith. Rept. Brit. Ind. p. 179 (1864) ; Jan, Icon. Gen. p. 56, 



1. 9, pi. iv. tigs. 1 & 2 (1865) ; Theob. Cat. Rept. Brit. Lid. p. 127 



(1876); Anders. Zool. Res. Yunnan, p. 808 (1879); Bouleny. 



Faun, hid., Rept. p. 250, tig. (1890). 



Diameter of the eye about half its distance from the nostril ; the 

 distance between the eyes greater than the length of the snout ; 

 frontal at least as large as the supraocular, larger than the parietals, 

 at least as long as its distance from the rostral ; six upper labials, 

 third and fourth entering the eye. Scales in 19 or 21 rows. Ven- 

 trals not twice as large as the contiguous scales, 1 86-245 ; anal 



