LIST OF PLATES. 
Puate 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). 
Puare XVII. 
Fig. 40. The Blotched Salamander (Salamandra fasciata). 
41. The Long-tailed Salamander (Salamandra longicauda). 
42. The Blue-spotted Salamander (Salamandra glutinosa). 
43. 'The Red Salamander (Salamandra rubra). 
Prats XVIII. 
Fig. 44. ‘The Hell-bender (Menopoma alleghaniensis). 
45. 'The Banded Proteus (Menobranchus lateralis). 
Prate XIX. 
Fig. 46. The Common Toad, young, (Bufo americanus). 
47. The Hermit Spade-foot (Scaphiopus solitarius). 
48. The Bullfrog (Rana pipiens). 
Pirate 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). 
Puate 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 fontinalis). 
54. 6. The Scarlet Salamander (Salamandra coccinea). 
Puate 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 — Part 3. 13 
