OPH1DIACOLUBBIDAE OPHIBOLUS PYRRHOMELAS. 537 



ASINEA. 



FAM. COLUBRIDAE. 



Genus CONTIA, Baird & Girard. 



CONTIA ISOZONA, Cope. 

 PLATE XVIII, FIGS. 1, and 1, a. 



Contia isozona, COPE, Proc. Acad, Nat. Sci. Phila., I860, 304. Id., Check-List N. A. 

 Batrach. & Kept., 1875, 36. 



HAB. Utab, Nevada, Arizona. 



Two specimens of this beautiful species were procured in Nevada in 

 1871. The description was based upon specimens procured in Arizona by 

 Dr. E. Coues, U. S. A. It has also been taken in Kane County, Utah. 



Genus OPHIBOLUS, Baird & Girard. 

 OPHIBOLUS DOLIATUS, Linn., subspecies ANNULATOS, Keun. 



Lampropeltis annulata, KENN., Proc. Acad. Nat. Sci. Pliila., I860, 329. COPE, Proc. 



Acad. Nat. Sci. Phila,, I860, 257. 

 OpldboluH doliatus, subspecies annulatus, COPE, Check-List N. A. Batrach. & Kept., 



1875, 3C. 



HAB. Kansas, Arkansas, Texas, Arizona. 

 Tolerably common in Arizona. 



OPHIBOLUS PYRRHOMELAS, Cope. 

 PLATE XIX, FIGS. 1, 1, a, and 2. 



Ophibolus pyrrhomelanus, COPE, Proc. Acad. Nat. Sci. Phila., I860, 305. 

 Ophibolvs pyrrhomelas, COPE, Check-List N. A. Batrach. & Kept., 1875, 37. 



HAB. Arizona aud California. 



This species was discovered in Arizona by Dr. E. Coues, U. S. A., and 

 in 1871 several specimens were secured by this expedition, from which it is 



