APPENDIX. 193 



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

 Coluber Dumfrisiensis. Sow. Brit. Misc., 5 

 Coluber Thuringicus. Beehs. 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. Somerby. Brit. Misc. 



Sub-Oeder II.— VIPERINES. 

 Family. — Viperid.3:. 

 9. Pelias bertjs. Merr. Viper. P. 67 



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

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

 Coluber casruleus. Shepp. Lino. Trans, vii., 56 

 Vipera. Ray. Syn. Quad.. 285 

 Vipera vulgaris. Latr. Kept, iii., 812 

 Vipera communis. Leach. Zool. Misc. t. vii. 

 Viper. Penn. Brit. Zool. iii.. 2Q 

 Red Viper. Rackett. Linn. Trans, xii., 349 

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

 Black Viper. Leach. Zool. Misc. iii. 

 Adder. Scotland. 



Common Viper. Sham. Gran. Zool. iii. , 365 

 Etther. Shropshire. 



