132 BULLETIN 17 5, UNITED STATES NATIONAL MUSEUM 



Gloyd (1937a, p. 16) writes of experiences in Arizona: "Our depre- 

 dations among the homes of the wood rats often revealed gopher 

 snakes . . . which had sought a quiet refuge beneath the barriers of 



JtiS 3. affinis 



Figure 63.— Distribution map o( the two subspecies of Pituophis sayl, the three subspecies of P. catenifer, 



and P. vertebratis. 



dead cholla joints or, more likely, the juicy young rats themselves. 

 One large gopher snake found in such a place regurgitated five newly 

 born cottontail rabbits." 



