96 LIST OF PLATES. 



Plate VII. 

 Fig. 13. The Musk Tortoise (Stemothaeras odoratus). 

 14. The Red-bellied Terrapin (Emys rubriventris). 



Plate VIII. 

 Fig. 15. Muhlenberg's Tortoise (Emys muhlenbergi). 



16. The Brown Swift (Tropidolepis undulatus). 



17. The Blue-tailed Skink (Scincus fasciatus). 



^ Plate IX. 



Fig. 18. The Copper-head (Trigonocephalus contortrix). 

 19. The Northern Rattlesnake (Crotalus durissus). 



Plate X. 

 Fig. 20. The Black Snake (Coluber constrictor). 

 21. The Chain Snake (Coluber getulus). 



Plate XL 

 Fig. 22. The Grass Snake (Coluber vemalis). 



23. The Yellow-bellied Snake (Tropidonotus leberis). 



24. The Ribbon Snake (Leptophis saurita). 



Plate XII. 

 Fig. 25. The Milk Snake (Coluber eximius). 



26. The Pilot Black-snake (Coluber alleghaniensis). 



Plate XIII. 

 Fig. 27. The Striped Snake, variety, (Tropidonotus taenia). 

 28. The Hog-nosed Snake (Heterodon platyrhinos). 



Plate XIV. 

 Fig. 29. The Ring Snake (Coluber punctatus). 



30. The Small Brown Snake (Tropidonotus dekayi). 



31. The Water Snake (Tropidonotus sipedon). 



Plate XV. 

 Fig. 32. The Tiger Triton (Triton tigrinus). 



33. The Yellow-bellied Salamander (Salamandra symmetrica). 



34. The Crimson-spotted Triton (Triton millepimctatus). 



35. The Dusky Triton (Triton niger). 



