REPTILES. 93 



Class 3. REPTILIA. 



Sub-class SQUAMATA. 

 Order OPHIDIA. 



Family COLUBRIDJE. 



1. Tropidonotus natrix (Z.). Common Snake. 



Generally distributed in the lowland districts, but decidedly 

 local, being numerous in some localities, scarce in others. 



2. Coronella laevis Lacep. Smooth Snake. 



Fam. VIPERID-ffi. 



3. Vipera berus Z. Viper. Adder. 



Generally distributed, and common on moorlands and low- 

 land heaths, also found in some woods and on waste lands. 



Order LACERTILIA. 

 Fam. LACERTID-ffi. 



4. Lacerta vivipara Jacq. Common Lizard. . , 



Generally distributed, numerous on dry sandy heaths and 

 moors, also on commons and waste places. 



5. Lacerta agilis L. Sand Lizard. 



6. Lacerta viridis L. Green Lizard. 



Fam. SCINCID-E. 



7. Anguis fragilis L. Slow-worm. Blindworm. 



Generally distributed, not uncommon in old quarries, heaths, 

 and dry sandy places generally. 



