APPENDIX. 193 



Coluber lasvis. Lacep. Quad. Serp. ii., 158 

 Coluber Dumfrisiensis. Sow. Brit. Misc., 5 

 Coluber Thuringicus. Becks. Ub. Lacep. iii., 181 

 Coluber ferrugineus. Sparm. N.S. Abhand. xvi., t. 7 

 Zacholus Austriacus. Wagl. Syst. Amph., 190 

 Natrix Dumfrisiensis. Flem. Brit. An., 156 

 Smooth Snake. Zoologist, etc. 

 Dumfries Snake. Sowerby. Brit. Misc. 



Sub-Oeder II.— VIPERINES. 



Family. — Viperid^e. 



9. Pelias bertts. Merr. Viper. P. 67 



Coluber Berus. Linn. Svst. Nat. i., 377 



Coluber chersea. Linn.? Syst. Nat., 337 



Coluber caeruleus. Shepp. Linn. Trans, vii., 56 



Vipera. Ray. Syn. Quad., 285 



Vipera vulgaris. Latr. Kept, iii., 812 



Vipera communis. Leaclx. Zool.Misc. t. vii. 



Viper. Penn. Brit. Zool. iii., 26 



Bed Viper. Racliett. Linn. Trans, xii., 349 



Blue-bellied Viper. Shepp. Linn. Trans, vii., 56 



Black Viper. Leacli. Zool. Misc. iii. 



Adder. Scotland. 



Common Viper. Shaw. Gen. Zool. iii. , 365 



Etther. Shropshire. 



