INDEX 



225 



Pityophis affinis, 123. 



annectens, 185. 



bellona, 95, 123, 166. 



catenifer, 123, 140, 166, 185. 



catenifer bellona, 95, 123, 166. 



catenifer catenifer, 140, 185. 



catenifer deppei, 25. 



catenifer mexicanus, 96. 



catenifer sayi, 94. 



catenifer var. bellona, 95. 



catenifer var. mexicanus, 96. 



catenifer var. sayi, 94. 



catenifer vertebralis, 82. 



deppei, 25. 



Deppei, 25. 



haematois, 82. 



Heermanni, 140. 



mcClellanii, 95. 



melanoleucos, 53. 



melanoleucus, 53, 67. 



mexicanus bellona, 141. 



sayi, 91. 



sayi bellona, 95, 123, 141, 166. 



sayi sayi, 94, 123, 141, 166. 



sayi var. bellona, 95, 123, 166, 185. 



sayi var. mexicanus, 96. 



sayii, 94. 



vertebralis, 82, 141. 

 Pityophys catenifer sayi, 94. 

 pleurostictus, Elaphis, 25. 



Epiglottophis, 25. 



Pituophis, 25, 26. 

 Rattlesnake, 111, 177. 

 reticulatus, Elaphis, 185. 



Pituophis, 185. 

 Rhinechis elegans, 26. 



melanoleucus, 53. 



mexicanus, 95. 



vertebralis, 82. 

 ruthveni, Pituophis melanoleucus, 6, 9, 

 19, 21, 23, 24, 55, 62, 63, 67, 73, 74, 

 76, 77, 78, 81, 96, 97, 113, 125, 204, 

 206, 207, 208. 



rutilus, Pituophis catenifer, 123, 124. 

 Say, Coluber melanoleucus var., 91. 

 sayi. Coluber, 91. 



Pituophis catenifer, 95, 123, 166. 

 Pituophis sayi, 5, 8, 12, 14, 19, 20, 

 23, 24, 32, 37, 60, 63, 76, 77, 83, 

 91, 95, 96, 97, 104, 107, 111, 112, 

 113, 114, 123, 124, 125, 133, 168, 

 186, 204, 205, 206, 207, 208. 

 Pityophis, 91. 

 Pityophis catenifer, 94. 

 Pityophis catenifer var., 94. 

 Pityophis sayi, 94, 123, 141, 166. 

 Pityophys catenifer, 94. 

 sayi group, 5, 38, 39, 83, 113, 142, 204. 

 sayii, Pityophis, 94. 

 Sistrurus catenatus catenatus, 133. 

 Spermophilus leucurus, 174. 

 Spilotes deppei, 5, 25. 



lineaticoUis, 47. 

 stejnegeri, Pituophis catenifer, 167. 

 Thamnophis, 14, 16, 17. 

 Tropidonotus, 14. 

 vertebralis. Coluber, 82. 



Coluber catenifer var., 82. 

 Pituophis, 5, 6, 19, 20, 23, 24, 37, 

 38, 39, 82, 83, 90, 91, 92, 96, 

 104, 113, 125, 133, 142, 168, 186 

 204, 205, 206, 208. 

 Pituophis melanoleucus var., 82. 

 Pityophis, 82, 141. 

 Pityophis catenifer, 82. 

 Rhinechis, 82. 

 vertebralis (not of Blainville), Pituo- 

 phis, 25. 

 Vipera, 14. 



wilkesii, Petuophis, 141. 

 Wilkesii, Pituophis, 141. 

 Wilksei, Pituophis, 141, 186. 



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