NEVADA— UTAH REPTILES 27 



15. Phrynosoma douglassii ornatissimum 



16. Phrynosoma platyrhinos 



1 7. Heloderma suspectum 



1 8. Xantusia vigilis 



19. Cnemidophorus tessellatus tessellatus 



20. Plestiodon skiltonianus 



21. Charina bottas bottas 



22. Coluber constrictor mormon 



23. Coluber flagellum piceus 



24. Coluber tseniatus tasniatus 



25. Salvadora hexalepis 



26. Pituophis catenifer deserticola 



27. Lampropeltis getulus boylii 



28. Hypsiglena ochrorhynchus ochrorhynchus 



29. Thamnophis sirtalis infemalis 



30. Thamnophis ordinoides elegans 



31. Thamnophis ordinoides vagrans 



32. Thamnophis ordinoides couchii 



33. Sonora semiannulata 



34. Crotalus oreganus 



35. Crotalus tigris 



36. Crotalus cerastes 



37. Gopherus agassizii 



The known reptiles of Utah are included in the follow- 

 ing list: 



1. Coleonyx variegatus 



2. Sauromalus ater 



3. Crotaphytus collaris baileyi 



4. Crotaphytus wislizenii 



5. Callisaurus ventralis ventralis 



6. Holbrookia maculata approximans ? 



7. Uta levis 



8. Uta stansburiana stansburiana 



