CROCODILIANS, LIZARDS, AND SNAKES 1227 



Autodax iccanus Cope. 



A a todax ferreus Cope. 



Diemi/cfyliis forosvs Eschsclioltz. 



Biifo colnmhiensLs eolumhiensis Baird and Girard. 



t^pea hammondii hammondii Baird. 



Ix'ana temporaria preliosa Baird. 



Rana c((ntabri(jensis latiremis Cope. 



Bana agilis aurora Baird and Girard. 



Rana drayto7iii Baird, 



Rana hoylii Baird. 



SAURIA. 



Sceloporus undulatus occidentaUs Baird. 

 Phripiosoma doufflassii dovglassii Bell. 

 Gerrhonotus pri ncipis Baird and Girard. 

 Cnemidophorns septemvittatiis Co])e. 



SERPENTES. 



DiadopMs amahilis pulchellns Baird and Girard. 



Zamenis constrictor vefnstus- Baird and Girard. 



Contia mitis Baird and Girard. 



I'jiitamia eleaans clcgans Baird and Girard. 



EuUcnia elegans lineolata Cope. 



Eutfenia elegans ordinoides Baird and Girard. 



Entwnia infernaUs vidua Cope. 



Euta'nia sirtaUs par ict alls Say. 



Eutienia sirtalis trilineata Cope. 



Etitccnia sirtalis picheringii Baird and Girard. 



Eutwnia sirtalis tetratwnia Cope. 



Eutwnia sirtalis concinna Hallowell. 



Entamia. biscutata Cojie. 



Eutwnia leptocephala Baird and Girard. 

 There are, therefore, peculiar to the Pacific district, eijilitcen si)eciea 

 and threC'Subspecies of Batrachia (two species found in the Holarctic 

 region, represented by subsi)ecies, and one species from tlie Canadian); 

 two species and two subspecies of lizards; and three species and eleven 

 subsjjecies of snakes. 



We have of species and subspecies of the Western subregion the fol- 

 lowing synopsis: 



Peculiar to the Diegan district 19 



Common to the Diegan and Chihiiahuan 6 



Common to the Diegan and Pacific 11 



Peculiar to the Pacific 39 



Total 75 



