SNAKES OF THE GENUS PITUOPHIS 



33 



Eange. — P. d. deppei is known to occur from Tehuantepec, in the 

 southern part of Oaxaca, Mexico, north to Real de Pinos, Calif., on the 

 west, and to San Marcos, Hays County, Tex., on the east. The 



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<> 







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Central No.ttietn 



Moico Meiieo 



Figure 15.— Geographic variation in number of ventrals plus caudals in Pituophis deppei deppei. 



westernmost locality reported in Mexico is "Gulf of California," 

 while the easternmost is "San Jose Acateno, Veracruz." The distribu- 

 tion is shown on the map (fig. 18). 



Specimens of deppei have been examined from the following definite 

 localities: 



