INDEX 



235 



eeptemvittatus, Helicops, 201. 



Hydrops, 201. 

 septentrionalis, Dipsas, 87. 



Leptodeira, 87. 



Leptodeira annulata, 86, 87, 207, 

 210, 212, 214, 215. 

 Serpentes, 12. 

 severus, Coluber, 153. 

 sexscutatus, Leptognathus, 152. 

 sibon. Coluber, 126. 



Sibon, 126. 

 Sibon, 8, 10, 14, 49, 126. 



annulata vucatanensis, 89. 



bertholdi,'200. 



brevifacies, 50. 



dimidiatus, 50. 



frenatum, 88. 



nebulatus, 126, 204, 207, 211, 

 214-216. 



eanniolus, 51. 



Bibon, 126. 

 Sibynomorphus, 49, 201. 



anthracops, 201. 



gaigeae, 51. 

 Sibynon, 126. 

 Sibynophiinae, 7, 28. 

 Sibynophis, 28. 

 eieboldi, Elapoides, 70. 



Geophis, 66, 70. 

 eieboldii, Geophis, 70. 

 sigma, Constrictor constrictor, 25, 210. 

 similis, Conophis lineatus, 5. 



Conophis pulcher, 5, 43, 204. 



Diadophis amabilis, 47, 203. 

 Sistrurus, 8, 10, 12, 198, 199. 



catenatus tergeminus, 199. 



ravus, 199, 206, 208, 209, 211, 212, 

 214, 215. 

 slateri, Enulius, 61. 



slevini, Drvadophis melanolomus, 52, 

 210." 



Eudrvas, 52. 



Hvpsiglena, 72, 74, 203. 



Leptotvphlops humilis, 21, 22, 203. 

 emithi, Leptodeira, 86, 89, 207, 209. 

 Sonora, 8, 10, 13, 15, 18, 35, 126. 



aequalis, 127, 128. 



bancroftae, 127, 128, 203. 



episcopa, 127, 128, 210. 



episcopa episcopa, 128. 



episcopa taylori, 130. 



erythrura, 128. 



michoacanensis, 129. 



michoacanensis michoacanensis, 

 127-129, 207, 209. 



michoacanensis mutabiljs, 127, 129, 

 206, 208, 216. 



miniata linearis, 130. 



mosaueri, 127, 129, 203. 



occipitalis annulata, 35. 



occipitalis palarostris, 35. 



palarostris, 35. 



semiannulata, 126, 129, 130. 



semiannulata blanchardi, 127, 129, 

 205. 



semiannulata isozona, 127, 130, 203. 



Sonora semiannulata linearis, 127, 130, 

 203. 



semiannulata semiannulata, 127, 

 129, 130. 



sp., 128. 



taylori, 13, 127, 130, 210. 

 sonoraensis, Caudisona atrox, 189. 

 Sphenocalamus lineolatus, 64. 

 Spilotes, 8, 10, 16, 55, 131. 



argus, 114. 



deppei, 105. 



erebennus, 54. 



melanurus, 55. 



poecilonotus, 114. 



pullatus auribundus, 131. 



pullatus mexicanus, 131, 204, 211- 

 216. 



salvini, 131. 



variabilis, 131. 

 spixii, Micrurus, 169. 

 splendida, Dipsas, 76. 



Lampropeltis getulus, 78, 80, 205, 

 213 



Leptodeira, 86, 89, 207, 209, 211. 

 splendidus, Imantodes, 76. 



Imantodes splendidus, 75, 76, 216. 



Lampropeltis getulus, 80. 



Ophibolus, 80. 

 Squamata, 12. 



stantoni, Micrurus affinis, 171. 

 stejnegeri, Crotalus, 185, 195, 206, 213. 



Pituophis catenifer, 106. 



Thamnophis, 163. 

 stejnegerianus. Coluber constrictor, 37, 

 214. 



Zamenis, 37. 

 Stenorhina, 132. 



degenhardti apiata, 133. 



degenhardti quinquelineata, 132. 



degenhardtii apiata, 133. 



degenhardtii mexicana, 132. 



freminvillii, 132. 



freminvillii apiata, 133. 



freminvillii freminvillii, 132. 



freminvillii lactea, 133. 



lactea, 133. 



mexicana, 132. 



quinquelineata, 5. 

 Stenorrhina, 8, 10, 14, 132. 



degenhardtii mexicana, 132, 215. 



freminvillii apiata, 132, 133, 211, 

 215, 216. 



freminvillii freminvillii, 132, 207, 

 211. 



freminvillii lactea, 132, 133, 204, 

 207,211. 



ventralis, 132. 

 Stenostoma myopicum, 23. 



phenops, 24. 



tenuiculum, 23. 

 Storeria, 8-10, 14, 156. 



dekayi anomala, 156, 215. 



dekayi temporalineata, 156, 157, 

 212 215. 



dekayi texana, 156, 157, 208, 210, 

 213, 214. 



