40 

 Bascanium, Baird and Girard. 



Bascanium constrictor, Linn.; Baird and Girard, Cat., p. 93. Central, 

 Austroriparian, and Eastern regions. 



Bascanium constrictor, Linn., subspecies vetustum, Baird and Girard, 

 Cat., p. 97. Pacific region. 



Bascanium antliicum. Cope, Proc. Acad. Phila., 1862, p. 238. Loui- 

 siana (?). 



Bascanium Jiagelliforme, Catesb., subspecies flagelliforme, Baird and 

 Girard, Cat., p. 98. South Carolina to Florida. 



Bascanium flagelliforme, Catesb., subspecies piceum, Cope, MS. Camp 

 Grant, Arizona. 



Bascanium flagelliforme, Catesb., subspecies testaceum, Say; Baird and 

 Girard, Cat., pp. 99 and 150. Lower Californian and Sonoran re- 

 gions, with Nevada, Utah, and Texas. 



Bascanium taeniatum, Hallowell, subspecies laterale, Hallo well, Proc. 

 Acad. Phila., 1853. Sonoran and Pacific regions. 



Bascanium taeniatum, Hallowell, subspecies taeniatum, Hallowell; Baird 

 and Girard, Cat., pp. 103 and 160. Pacific and Sonoran regions; 

 Utah and Nevada. 



Bascajiium taeniatum, Hallowell, subspecies ornatum, Baird and Girard, 

 Cat., p. 102. Western Texas. 



Bascanium aurigulum, Cope, Proc. Acad. Phila., 1861, p. 301. Lower 

 California. 



Chilopoma, Cope. 



Chilopotna rufopunctatum. Cope, Report on Eeptiles of Wheeler's Survey 

 west of one hundredth meridian, 1875 (MS.). Sonoran district. 



EuTAENiA, Baird and Girard. 



Eutaenia saurita, Linn.; Baird and Girard, Cat., p. 24. Austroriparian 



and Eastern regions. 

 Eutaenia saclcenii, Kennicott, Proc. Acad. Phila., 1859, p. 99. Floridan 



district. 



Eutaenia faireyi, Baird and Girard, Cat., p. 25. Mississippi Valley, from 

 Louisiana to Wisconsin. 



Eutaenia proxima. Say ; Baird and Girard, Cat., p. 25. Valley of the 

 Mississippi, from Wisconsin to Louisiana ; Texas ; Northeastern 

 Mexico. 



Eutaenia radix, Baird and Girard, Cat., p. 34. Central region to Lake 

 Michigan ; Oregon. 



