LIST OF ILLUSTRATIONS. 



FIG. 



The Common Frog 



1. The Common Frog 



2. Head of Embryo Frog {after Parker) 



3. Tadpoles ..... 



4. The Edible Frog 



5. Clinotarsus {from Proc. Zool.. Soc.) 



6. The Common Toad 



7. Poison Organ of a Fish {from Proc. Zool. Soc. ) 

 8 and 9. Serpent's Tooth 



10. Female Nototrema {after Giinther) 



Pipa ....... 



Dactylethra . . . . • • 



Rhinophrynus {after Giinther) 



Skeleton of Flying Lizard . 



The Flying Frog {from Wallace's "Malay 



Amblystoma {from Proc. Zool. Soc.) . 



Amphiuma 



II. 



12. 



13. 



14. 



15- 

 16. 



17. 

 18. 



19. 



20. 



21. 



22. 



23- 

 24. 



25. 

 26. 



Proteua 



Siren . 



Menobranchus 



Axolotl 



Csecilia 



Tooth of Labyrinthodont {after Owen) 



Skeleton of Ichthyosaurus . 



Skeleton of Plesiosaurus . . 



Carapace of Tortoise . . . . 



{Fr^jnl.) 



Archipelago") 



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