42 



Sphenodon 36, 112, 113. 

 Stegosaurus 112. 

 Stenorrhina freminvillii 



apiata 321. 

 Stenorrhina freminvillii 



lactea 321. 

 Sternothaerus carinatus 238. 

 Sternothaerus minor 129. 

 Sternothaerus odoratus 129, 



238. 

 Sternotherus carinatus 24, 25. 

 Sternotherus carinatus 



carinatus 103. 

 Sternotherus carinatus 



peltifer 103. 

 Sternotherus minor 251. 

 Sternotherus odoratus 24, 25, 



103, 143, 204, 251, 283, 



301. 

 Sternothorus odoratus 263. 

 Stilosoma vetustum 129. 

 Storeria 174. 

 Storeria dekayi 19, 24, 25, 



48, 65, 117, 129, 148, 263. 

 Storeria dekayi texana 87, 



120, 143, 158, 171, 217, 



283. 

 Storeria dekayi wrightorum 



283. 

 Storeria hidalgoensis 183. 

 Storeria occipitomaculata 117. 

 Storeria storerioides 76. 

 Syrrhophus 293. 

 Syrrhophus campi 23, 48. 

 Syrrhophus cystignathoides 



campi 67, 196. 

 Syrrhophus gaigeae 48, 163, 



225, 283. 

 Syrrhophus guttulatus 101, 



183. 

 Syrrhophus leprus 321. 

 Syrrhophus macrotympanum 102. 

 Syrrhophus marnockii 23, 42, 



48, 118, 119, 129, 151, 219, 



224, 225, 268, 269, 283, 



296. 

 Syrrhophus pipilans nebulosus 



119. 

 Syrrhopus campi 4. 



Tantilla 150, 174. 

 Tantilla atriceps 48, 101, 



163, 225. 

 Tantilla coronata 129. 

 Tantilla cucullata 101. 



Tantilla diabola 101, 300. 

 Tantilla gracilis 19, 24, 25, 



143, 148, 170, 263, 268, 



321. 

 Tantilla gracilis gracilis 87, 



283. 

 Tantilla gracilis hallowelli 



283. 

 Tantilla nigriceps 48, 101, 



143, 148, 163. 

 Tantilla nigriceps fumiceps 



120, 238. 

 Tantilla nigriceps nigriceps 



120. 

 Tantilla rubra cucullata 101. 

 Tantilla rubra diabola 101. 

 Taricha 129. 

 Teius 146. 

 Telosaurus 112, 

 Termatosaurus 112. 

 Terrapene 149, 241, 251. 

 Terrapene canaliculata 279. 

 Terrapene Carolina 48, 129, 



148, 263. 

 Terrapene Carolina major 283. 

 Terrapene Carolina triunguis 



65, 124, 143, 177, 238, 283. 

 Terrapene coahuila 177. 

 Terrapene major 24, 25. 

 Terrapene ornata 19, 24, 25, 



46, 47, 48, 129, 163, 177, 



201, 210, 225, 263, 269, 



283. 

 Terrapene ornata ornata 65, 



120, 143, 171, 238, 322. 

 Terrapene triungis 24, 25. 

 Terrapene triunguis 2. 

 Testudo 15, 112, 279. 

 Testudo gilberti 96. 

 Testudo orthopyga 96. 

 Testudo osborniana 96. 

 Testudo turgida 96. 

 Tetraprion 318. 

 Thamnophis 250, 303. 

 Thamnophis arabdotus 219. 

 Thamnophis bovalli 219. 

 Thamnophis butleri 118. 

 Thamnophis chrysocephalus 219, 



284. 

 Thamnophis chrysochephalus 



219. 

 Thamnophis cyrtopsis 148, 152, 



174. 

 Thamnophis cyrtopsis cyclides 



219. 



