33 



Natrix compressicauda walkerii 



48. 

 Natrix cyclopion 85; N270. 

 Natrix cyclopion cyclopion 



160. 

 Natrix cyclopion floridana 1; 



2; 135; 150; 156; 179; N233; 



N235. 

 Natrix erythrogaster 



erythrogaster 2; 135; 13 7. 

 Natrix erythrogaster 



flavigaster 160. 

 Natrix erythrogaster neglecta 



160, 

 Natrix fasciata 99; 146. 

 Natrix fasciata fasciata 137. 

 Natrix maura 103; 137. 

 Natrix natrix 103; 137. 

 Natrix rhombifera 4. 

 Natrix rhombifera rhombifera 



160. 

 Natrix rigida 2; 135; N235. 

 Natrix rigida rigida 137. 

 Natrix septemvittata 2 . 

 Natrix septemvittata 



septemvittata 137. 

 Natrix sipedon 137. 

 Natrix sipedon clarki 106. 

 Natrix sipedon compressicauda 



135. 

 Natrix sipedon fasciata 2; 



135. 

 Natrix sipedon pictiventris 2; 



44; 63; 135; 138; 147; 150; 



156; 179; N233; N235. 

 Natrix sipedon pleuralis 135; 



160. 

 Natrix sipedon taeniata 48. 

 Natrix taxispilota 2; 77; 179; 



N270. 

 Natrix taxispilota taxispilota 



135; 137. 

 Natrix tessellata 103; 137. 

 Natrix usta 48. 

 Necturus 65. 

 Necturus lodingi 140. 

 Necturus maculosus 80. 

 Necturus maculosus maculosus 



160. 

 Neoseps 65. 

 Neoseps reynoldsi 20; 22; 37; 



40; 131; 181; F211. 



Nerodia F202; F207; N303. 

 Nerodia clarki N319. 

 Nerodia compresicauda N319. 

 Nerodia cyclopion 103; N319. 

 Nerodia erythrogaster 103; 



N319. 

 Nerodia fasciata N319. 

 Nerodia fasciata clarki 48; 



103; 198. 

 Nerodia fasciata 



compressicauda 48; 198. 

 Nerodia fasciata confluens 48; 



198. 

 Nerodia fasciata pictiventris 



48; 198. 

 Nerodia fasciata taeniata 48; 



198. 

 Nerodia rhombifera 103. 

 Nerodia sipedon 48; 103 

 Nerodia sipedon sipedon 198. 

 Nerodia sipedon williamengelsi 



198. 

 Nerodia taxispilota 103; N319. 

 Nerodia valida 48. 

 Ninia sebae sebae 134; 135. 

 Notechis scutatus 103. 

 Notobatrachus 70. 

 Notophthalmus robustus 54; 92. 

 Notophthalmus slaughter! 92. 

 Notophthalmus viridescens 61; 



92; 116. 

 Notophthalmus viridescens 



louisianensis 106. 

 Notophthalmus viridescens 



viridescens 114. 

 Nototrema longipes 75. 

 Nyctimystes 70. 



Odontophrynus 76. 

 Odontophrynus americanus 93. 

 Ogallalabatrachus 95. 

 Ooeidozya laevis 89. 

 Opheodrys 65; 137. 

 Opheodrys aestivus 75; 85; 



103; 135; 146; 179. 

 Opheodrys aestivus aestivus 



160. 

 Opheodrys vernalis 103. 

 Ophiophagus hannah 103. 

 Ophisaurus 54; 65. 

 Ophisaurus attenuatus 8; 91. 



