INDEX 



219 



Boa, 24. 



constrictor, 24. 

 diviniloquax mexicana, 25. 

 imperator, 25. 

 bocourti, Homalocranium, 136. 



Tantilla, 136, 206-209, 212, 215. 

 boddaerti, Coluber, 51. 



Drymobius boddaerti, 63. 

 boddaertii, Drvmobius, 53. 

 bogerti, Salvadora, 122, 123, 211. 



Tantilla, 136, 137, 210. 

 Boidae, 7, 24. 

 Bothriechis, 179. 

 godmani, 181. 

 nigroviridis, 179. 

 nummifera notata, 182. 

 Bothriopsis, 181. 

 Bothrops, 8, 10, 12, 179. 

 atrox, 180. 



atrox asper, 180, 204, 211, 213-216 

 atrox dirus, 180. 

 barbouri, 180, 181, 207. 

 bicolor, 180, 181, 204. 

 dunni, 180, 181, 211. 

 godmani, 180, 181, 205. 

 (Bothriopsis) godmanii, 181. 

 melanura, 182. 

 melanurus, 179, 181, 212. 

 mexicanus, 180, 182, 205, 214. 

 nasutus, 179, 182. 

 nigroviridis aurifer, 180, 182, 205. 

 nigroviridis aurifera, 182. 

 nummifer, 180, 182, 208, 212, 215. 

 nummifera, 182. 

 picadoi, 183. 

 schlegeli, 183. 

 schiegelii, 179, 183. 

 undulatus, 179, 183, 207, 211, 215. 

 yucatanicus, 179, 184, 216. 

 Botriechis schiegelii, 183. 

 boulengeri, Homalocranium, 139. 



Oreophis, 77, 81. 

 boylii, Lampropeltis getulus, 78-80, 203. 



Ophibolus, 80. 

 Brachyruton, 36. 



cloelia, 36. 

 braminus, Eryx, 19. 



Typhlops, 19, 207, 208. 

 bressoni, Leptodeira, 86-88, 206, 209. 



Leptotyphlops, 20, 21, 208. 

 brevifacies, Dipsas, 50, 204, 216. 

 Leptognathus, 50. 

 Sibon, 50. 

 Tropidodipsas, 50. 

 brevis, Dipsas, 50. 



Leptognathus, 50. 

 brevissima, Tantilla, 142. 



Tantillita, 142, 204. 

 bronni, Plastoseryx, 27. 

 browni, Agkistrodon, 181. 

 Micrurus, 169-172, 207. 

 Phyliorhynchus, 103, 104. 

 Phyllorhynchus browni, 104. 



cahuilae, Leptotyphlops humilis, 21, 22, 

 203. 



calamarina, Tantilla, 135,' 137. '206 



208-210, 212, 213. 

 calif orniae. Coluber (Ophis), 79. 



Lampropeltis, 78-80, 203. 

 californiensis, Drymobius (Eudryas) 



boddaerti, 53. 



Calopisma quinquevittatum mexicana 

 42. 



septemvittatum, 201. 

 cancellatus, Geophis, 66, 67, '204. 

 canescens, Thamnophis melanogaster 



159, 164, 206-210, 213. 

 canula, Tantilla, 135, 137, 216. 

 canum, Gyalopion, 70, 71, 210. 

 carinatus, Chironius, 91, 



Herpetodryas, 91. 

 carpicinctus, Scaphiodontophis, 28, 29. 

 caspius, Hydrus, 176. 

 catalincnsis, Lampropeltis, 78, 80, 203. 

 catesbyi, Dipsas, 49. 

 Catodon dugesii, 21. 

 Catostoma, 64. 



chalybeum, 64, 67. 



chalybeus, 65. 



nasale, 69. 

 Catostomus, 64. 

 Caudisona atrox sonoraensis, 189. 



basilisca, 189. 



enyo, 190. 



lepida, 184, 191. 



mitchellii, 192. 



polysticta, 193. 



pyrrha, 192. 



scutulata, 194. 



celaeno, Tropidonotus, 155. 



celatus, Pliocercus elapoides, 109 111 

 214. *- ' . , 



celeris, Salvadora hexalepis, 123 ^-124 

 213. '" ' 



cenchoa, Coluber, 74. 



Himantodes, 75. 

 Cenchris mokeson, 177. 

 Cerastes coronatus, 131. 



mexicanus, 131. 

 cerebrosus, Tliamnophis sumichrasti. 

 160, 168. ' 



chalceus, Prymnomiodon, 166. 



Thamnophis sauritus, 158, 166 204 

 211, 212, 214-216. 

 chalybeum, Catostoma, 64, 67. 

 chalybeus, Catostoma, 65. 



Geophis, 66, 67, 215. 

 Cheilorhina viliarsii, 134. 

 Chersodromus, 7, 10, 13, 33, 



liebmanjii, 33, 215. ' 



nigricans, 33. 

 Chilomeniscus, 7, 10, 13, 33, 34, 



cinctus, 34, 203, 213. 



punctatissimus, 34. 



stramineus, 33, 34. 



stramineus esterensis, 34, 203, 



stramineus fasciatus, 34. 



stramineus stramineus, 34, 203. 

 Chilopoma, 158. 



rufipunctatum, 158, 165. 



