LIST OF ILLUSTRATIONS 



Coloured Plate II. 



Fig. 



9 to 



7). 



27. 

 28. 

 29. 



so- 



la 

 13 

 15 



15 

 17 

 19 

 24 



25 



Coloured Plate I. — Edible Frog and Natterjack Toad. 



Frontispiece. 

 Sand Lizard and Trout. To face page 70 



Page 

 Head of Adder 

 Head of Grass Snake 

 Head of Smooth Snake 

 Skull of Smooth Snake 

 Slow Worm 

 Common Lizard 

 Green Lizard . 

 Wall Lizard 



Development of Frog (Figs. 

 Eggs of Common Frog 

 Egg Hatching . 

 Tadpoles Just Hatched 

 Tadpole without Legs 

 Tadpole with Hind Legs 

 Tadpole with Front and Hind Legs 

 Tadpole with Tail Disappearing 

 Perfect Young Frog . 

 Adult Frog (Female) 

 Skull of Common Frog 

 Skull of Common Toad 

 Edible Frog 

 Common Toad . 

 Natterjack Toad 

 Smooth Newt (Female) 

 „ (Male) 



25. Palmated Newt (Male) 



26. ,, ,, (Female) 

 Great Water Newt (Male) 



„ (Female) 

 River Lamprey 

 Planer's Lamprey 



I. 

 2. 



3- 



4- 



5- 

 6. 



7- 

 8. 



9- 



10. 



II. 

 12. 



13- 



14. 



15- 

 16. 



17- 

 18. 



19. 



20. 



21. 



22. 



23- 

 24. 



^31 



39 



39 



42 



43 

 45 

 47 

 47 

 49 

 49 

 51 

 51 

 6r 



61 



Vlll 



