25 



Naja naja tripudians 10. 

 Natrix 46, 71, 81. 

 Natrix cyclopion 77, 82. 

 Natrix cyclopion cyclopion 53. 

 Natrix cyclopion floridana 22, 



27. 

 Natrix erythrogaster 15, 53, 



77. 

 Natrix fasciata 74. 

 Natrix harteri paucimaculata 



22. 

 Natrix saurita 57. 

 Natrix septemvittata 77. 

 Natrix septemvittata mabila 



22. 

 Natrix sipedon 51, 77, 82. 

 Natrix sipedon clarkii 48, 53. 

 Natrix sipedon compressicauda 



27, 53, 74. 

 Natrix sipedon confluens 48. 

 Natrix sipedon fasciata 53. 

 Natrix sipedon pictiventris 



27, 53. 

 Natrix sipedon pleuralis 53. 

 Natrix sipedon taeniata 53. 

 Natrix taxispilota 13, 77. 

 Natrix taxispilota taxispilota 



27. 

 Necturus 83. 

 Necturus beyeri 53. 

 Necturus maculatus 2. 

 Neonatrix elongata 46. 

 Neoseps reynoldsi 27, 35, 46, 



51, 53, 76. 

 Neotestudo 5 . 

 Nerodia cyclopion 46, 83. 

 Nerodia erythrogaster 46, 83. 

 Nerodia fasciata 26, 46, 47, 



49, 83. 

 Nerodia fasciata pictiventris 



30. 

 Nerodia floridana 30. 

 Nerodia hibbardi 46. 

 Nerodia hillmani 46. 

 Nerodia rhombifera 46. 

 Nerodia sipedon 46, 47, 69. 

 Nerodia taxispilota 26, 30, 



46, 83. 

 Ninia sebae 75. 

 Ninia sebae morleyi 54. 

 Ninia sebae sebae 54. 

 Notophthalmus 83. 

 Notophthalmus perstriatus 24, 



30, 42. 

 Notophthalmus viridescens 



piaropicola 27, 30. 



O 



Ocadia reidlii 5. 

 Oedipina elongata 54. 

 Oedipina poelzi 22. 

 Ogallalabatrachus horarium 63. 

 Ogmophis 46, 83. 

 Ogmophis pauperrimus 77. 

 Omolepida schlegeli 7. 

 Onychochelys kraussi 56. 

 Onychotria mexicana 48. 

 Opheodrys 82. 

 Opheodrys aestivus 23, 26, 27, 



30, 46, 77, 83. 

 Opheodrys aestivus aestivus 



33. 

 Opheodrys aestivus carinatus 



33. 

 Opheodrys aestivus conanti 33. 

 Opheodrys aestivus majalis 33. 

 Opheodrys vernalis 33, 46, 83. 

 Ophiophaga hannah 10. 

 Ophisauris ventralis 51. 

 Ophisaurus 82. 



Ophisaurus attenuatus 46, 83. 

 Ophisaurus attenuatus 



longicaudus 27, 30. 

 Ophisaurus canadensis 46. 

 Ophisaurus compressus 27, 30, 



46, 47, 49, 53, 76, 83. 

 Ophisaurus mimicus 47. 

 Ophisaurus ventralis 27, 30, 



46, 47, 52, 83. 

 Ophites aulicus 7. 

 Oreophryne celebensis 7. 

 Oreophryne darewskyi 7 . 

 Oreophryne jef fersoniana 7. 

 Oreophryne monticola 7. 

 Oreophryne rookmaakeri 7 . 

 Oreophryne variabilis 7, 32. 

 Osteopilus dominicensis 67. 

 Otosaurus cumingii 8, 9. 

 Oxybelis 83. 

 Oxybelis aeneus 75. 

 Oxybelis aeneus aeneus 54. 

 Oxybelis fulgidus 54, 75. 

 Oxyrhopus baileyi 54. 

 Oxyrhopus petola 



aequifasciatus 54. 



