ARIZONA SONORA REPTILES 



70. Trimorphodon lyrophanes 



71. Micrurus euryxanthus 



72. Sistrurus catenatus edwardsii 



73. Cro talus molossus 



74. Crotalus atrox 



75. Crotalus confluentus 



76. Crotalus oreganus 



77. Crotal.us tigris 



78. Crotalus mitchellii 



79. Crotalus cerastes 



80. Crotalus willardi 



81. Crotalus lepidus 



82. Crotalus pricei 



83. Kinosternon sonoriense 



84. Kinosternon flavescens 



85. Chrysemys marginata bellii 



86. Terepene ornata 



87. Gopherus agassizii 



Reptiles from Sonora mentioned in the following pages 

 are:* v-v 



1. Coleonyx variegatus 



2. Dipsosaurus dorsalis dorsalis 



3. Sauromalus townsendi ? 



4. Crotaphytus collaris baileyi 



5. Crotaphytus wislizenii 



6. Uma notata " . 



7. Callisaurus inusitatus 



8. Holbrookia maculata approximans 



9. Holbrookia elegans 

 10. Holbrookia texana 



* The following tropical species are not included in the present work although speci- 

 mens from Guaymas, Sonora, are in the National Museum at Washington: 



50. Constrictor imperator. 



51. Oxybelis acuminatus. 

 57- Trimorphodon lambda. 



