INDEX 



231 



nigroadspersus, Teleuraspis, 183. 

 nigroviridis, Bothreichis, 179. 

 Ninia, 8, 10, 13, 99. 



diademata, 99. 



diademata diademata, 99, 211, 214, 

 215. 



diademata plorator, 99, 100, 207. 



pavimentatus, 99. 



sebae 99 100. 



sebae'morlevi, 99, 100, 204, 212, 216. 



sebae sebae, 99, 100, 204, 211, 214, 

 215. 

 nitida, Lampropeltis, 78, 79, 82, 203. 



Lampropeltis californiae, 82. 

 notata, Botlxriechis nummifera, 182. 

 nothus, Scaphiodontophis, 28, 29, 215. 

 novae Hispaniae, Coluber, 131. 

 nubilis, Phj'llorhynchus decurtatus, 104, 



213. 

 nuchalis, Micrurus, 176. 



Micrurus nuchalis, 170, 176, 204, 

 211. 

 nummifer, Atropos, 182. 



Bothrops, 180, 182, 208, 212, 215. 



Trimeresurus, 183. 



Trimeresurus nummifer, 183. 

 nummifera, Bothrops, 182. 



oaxaca, Coluber, 15, 37, 205, 210. 

 obsoleta, Elaphe, 54. 

 Georgia, 54, 55. 

 obsoletus. Coluber, 54. 



Drymarchon corais, 54. 

 occidentala, Tropidodipsas, 151. 

 occidentalis, Arizona arizonae, 6, 33. 

 Arizona elegans, 6, 32, 33, 203, 205, 



213. 

 Drvmobius margaritiferus, 56, 57, 



204. 

 Leptophis, 91. 



Tropidodipsas, 149, 151, 206. 

 occipitale, Rhinostoma, 35. 

 occipitalis, Ablabes, 46. 

 ochrorhvncha, Hypsiglena ochrorhvn- 

 cha, 73, 203, 205, 206, 210, 212, 213. 

 ochrorhynchus, Hypsiglena, 72, 73. 

 Hypsiglena ochrorhynchus, 73. 

 Ogmius, 142. 



acutus, 144. 

 oligozona, Coronella formosa, 84. 



Lampropeltis triangulum, 79, 84, 

 204. 

 olivacea, Ficimia, 62, 63. 



Ficimia olivacea, 62, 211, 215. 

 oliveri, Imantodes splendidus, 75, 77, 



204, 211. 

 omiltemana, Geophis, 65, 69, 207. 



Rhadinaea, 116, 118, 207. 

 omiltemanus, Crotalus, 185, 193, 196, 

 207. 

 Crotalus triseriatus, 193. 

 Dromicus, 118. 

 Opheodrvs, 8-10, 15, 16, 100, 101. 

 aestivus, 16, 101, 210, 214. 

 mayae, 101, 216. 



Ophibolus alterna, 79. 



boylii, 80. 



pyromelanus, 82. 



splendidus, 80. 



triangulus mexicanus, 77, 81. 

 Ophis, 79. 

 Ophryacus, 179. 



Ophthalmidion longissimum, 202. 

 Opisthiodon, 33. 



torquatus, 33. 

 ordinoides, Thanmophis, 161. 

 oreganus, Crotalus, 197. 



Crotalus viridis, 188, 197, 204, 214. 

 Oreophis, 77. 



boulengeri, 77, 81. 

 orizabensis, Drymarchon corais, 54, 55, 

 215. 



Morenoa, 53, 55. 

 ornata, Ficimia, 63. 

 ornatus. Coluber, 98. 



Coluber taeniatus, 98. 



IMasticophis, 92, 98. 



Masticophis taeniatus, 6, 93, 98, 

 205, 206, 216. 

 ortenburgeri, Alasticophis, 92. 

 ovandoensis, Micrurus nigrocinctus, 170, 



175, 204. 

 Oxybelis, 8-10, 16, 17, 101. 



acuminatus, 102, 204, 206-216. 



fulgidus, 101, 102, 204, 211, 216. 



microphthalmus, 102. 



potosiensis, 102, 103, 212. 

 Oxyrhina, 142. 



(Achirhina) de filippii, 143. 



(Exorhina) maculata, 45. 



varians, 142, 144. 

 Oxyrhopus, 8, 10, 17, 35, 103. 



baileyi, 103, 215. 



petolarius, 103. 



pacifica, Leptodeira, 89. 

 palarostris, Chionactis occipitalis, 35, 

 213. 



Sonora, 35. 



Sonora occipitalis, 35. 

 palmeri, Crotalus (tigris), 191. 

 panamensis, Ungaliophis, 26. 

 Parageophis, 65. 

 parietalis. Coluber, 167. 



Thamnophis sirtalis, 160, 167, 205j 

 214. 

 parrej'sii, Elaphe, 58. 

 paucimaculatus, Trimorphodon, 146, 



148, 208, 210, 213. 

 pavimentatus, Ninia, 99. 

 pavonina, Dipsas, 49. 

 Pelamis, 8, 10, 12, 176, 177. 



granulatus, 177. 



platurus, 176, 177, 203, 206-208, 

 210, 213. 

 perditus, Typhlops, 19. 

 perkinsi, Phyllorhynchus decurtatus, 



104. 

 Peropodum guatemalensis, 26. 

 personata, Leptodeira, 88. 

 petalarius. Coluber, 103. 



