E KZPTTLE BOOK 



PLATE CT 



ROCK SN'AKE. Hypsiglena ofhrnrhynrh.i 

 Diminutive, secretive iu habits, and confined to the Southwest. Several allied species are found in Mexico 



PACIFIC BROWN SXAKE. Crmiin mitis 



On most specimea-- the colour above is dull brown with a tv red ^n-nJ Hown the back. The specie? hider in stone piles or 



under the bark of decavinp trees 



