LIST OF PLATES. 97 



Plate XVI. 

 Fig. 36. The Violet-colored Salamander (Salamandra subviolacea). 



37. The Grey-spotted Triton (Triton porphyriticus). 



38. The Red-backed Salamander (Salamandra erythronota). 



39. The Salmon-colored Salamander (Salamandra salamnea). 



Plate XVII. 

 Fig. 40. The Blotched Salamander (Salamandra fasciata). 



41. The Long-tailed Salamander (Salamandra longicauda). 



42. The Blue-spotted Salamander (Salamandra ghitinosa). 



43. The Red Salamander (Salamandra rubra). 



Plate XVIII. 

 Fig. 44. The Hell-bender (Menopoma alleghaniensis). 

 45. The Banded Proteus (Menobranchus lateralis). 



Plate XIX. 

 Fig. 46. The Conmion Toad, young, (Bufo americanus). 



47. The Hermit Spade-foot (Scaphiopus solitarius). 



48. The Bullfrog (Rana pipiens). 



Plate XX. 

 Fig. 49. The Shad Frog (Rana halecina). 



50. The Wood Frog, young, (Rana sylvatica). 



51. Pickering's Hylodes (Hylodes pickeringi). 



52. The American Toad, adult, (Bufo americanus). 



Plate XXI. 

 Fig. 53. The Squirrel Tree-toad (Hyla squirella). 



53. a. The Northern Tree-toad (Hyla versicolor). 



54. The Wood Frog, adult, (Rana sylvatica). 

 54. a. The Spring Frog (Rana fontinahs). 



.54. h. The Scarlet Salamander (Salamandra coccinea). 



Plate XXII. 

 Fig. 55. Tooth of the fossil Geosaurus (Geosaurus mitchilli). 



56. Section of a tooth. 



57. Tooth of the fossil Monitor (Mosasaurus major). 



58. Section of a tooth. 



59. Portion of the lower jaw of the Jersey Gavial (Gavialis neocesariensis). 



60. The Marsh Tree-toad (Rana palustris). 



61. The Cricket Tree-toad (Hylodes gryllus). 



62. The Northern Bullfrog (Rana horiconensis). 

 Fauna — Parts. 13 



