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DiadopJiis dysopcs, Cope, Pioc. Acad., 18G0, p. 251. Habitat uuknown.- 



Biadoplds arnyi, Kenuicott, Proe. Acad., 1859, p. 90. Illiuois and Kan- 

 sas. 



Diadophin rcgalis, Baird and Girard, Cat., p. 115. Arizona j Sonora. 



CoNiopnANES, Hallowell. 



Coniophanes imperialism Girard, U. S. Mex. Bound. Surv., vol. ii, p. 23. 



Chihuahua. 



HYPSiaLENA, Cope. 



Sypsiglena ochrorliyncha. Cope, Proc. Acad., 1860, 246. Lower Califor- 

 nia north to San Diego. 



Hypsiglena ochrorhyncha, Cope, subspecies cliloropliaea^ Cope, loc. cit., 

 1860, p. 247. Arizona. 



SiBON, Fitziuger. 



■Sihon annulatum, Linn., subspecies scptentrionale^ Kennicott, U. S. Mex. 

 Bound. Surv., vol. ii, p. 16. Southwestern Texas. 



Teimorphodon, Cope. 



Trimorphodon lyrophanes, Cope, Proc. Acad. Phila., 1860, p. 343. Lower 

 California and Arizona. 



Phdiothyra, Cope. 



Phimotliyra grahamiae, Baird and Girard, Cat., p. 104. Lower California 

 and Sonoran regions to Utah and Texas. 



Phimothyra grahamiae, Baird and Girard, subspecies liexalepis^ Cope, 

 Proc. Acad. Phila., 1866, p. 304. 



Phimothyra decurtata, Cope, Proc. Acad., 1868, p. 310. Lower Californiii. 



Deomicus, Bibron. 



Dromicus fiavilatus^ Cope, Proc. Acad. Phila., 1871, p. 223. Coast of 



Xorth Carolina. 



Cyclopiiis, Gunther. 



Cyclophis vernalis, DeKay; Baird and Girard, Cat., p. 108. Eastern and 

 Austroripariau regions ; rare in the latter. 



Cyclophis aestivus, Linn. : Baird and Girard, Cat., p. 106. Austroripariau 

 region, and the Eastern as far as New Jersey, Maryland, and Soutb 

 eru Illinois. 



