AMPHIBIA. SEUPENTES. 5. Anguis 81 



15. C. Prester. Entirely black, with a jet-black indented 

 band down the back. 



Black Viper. Shaw Zool. iii./>. 375. 



Much refembles the last, except in colour and number of fcalea : 

 lips fpeckled with white : plates of the belly 153 ; scales below the 

 tail 34. 



Obs. Thefe 3 have a great affinity \vith each other. 



16. C.natrix. Olive-brown or bluisb, with a black and 

 a yellow patch each side the neck : down the sides a 

 row of narrow black spots : belly dusky, or yel- 

 lowish. 



Ringed Snake. Brit. Zool. iii. /. 4. Shcxv Zool. \\\.p. 447. 



Bodv 3-5 feet long : head clothed with large plates : mouth marked 

 \s'ith black bars at the sides : scales of the back carinatc : belly 

 v.'hitish yellowish or brownish, with an irregular longitudinal 

 black stripe, beginning at the ijjth plate : plates of the belly 170: 

 scales under the tail 63. 



17. C. Dumfrisiensis. Pale brown, with reddish-brown 

 transverse llexuous bands in pairs. 



Dumfries Snake. Sow. Brit. Mifcell. i.p. 5. tab. 3. 



Body with reddish-brown fpots on the sides between the bands : 

 scales of the back not carinate : platet ol the belly iO.ii fialcs 

 under the tail about 80. 



5. ANGUIS. Slow-worm. 



18. A..fragilis. Rufous-grey, with 3 longitudinal brown 

 lines down the back : belly lead-colour. 



Blind-worm. Br. Zool. iii. t,-^. Borl. Corn. t. 28. 



a. Of a darker colour: fcales of the belly 126; under the 

 tail 136. 

 Aberdeen Snake, ffr. Zool. iii. p. 33. 



Body 10 or 12 inches long : head fmall, covered in front with 

 large fcales : sides fometimes streaked with black and white : fcales 

 fmall, foft, clofe-fet; of the belly 135, under the tail 135. 



