142 



BULLETIN 61^ UNITED STATES NATIONAL MUSELTM. 



plateau region. At the present time, therefore, elegans is not defi- 

 nitely known to occur east of this region, although it may occur to 

 some extent along the streams on the great plains immediately 







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RECORDS. 



adjoining, as will be shown later. Thus, Coues (1878, 275) found in 

 Montana that: 



The wandering garter-snake does not appear to be generally distriljiited along 

 the northern boundary line. It was not met with during the first year of my con- 

 nection with the survey in any part of the Red River watershed, nor was it seen 

 the second season except to the westward from the main outliers of the Rocky Moun- 

 tains to the main chain itself. 



