Vol. VIII] VAN DENBURGH AND SLEVIN— GARTER-SNAKES 257 



Mocquard, 1899; type localities Mulege and San Ignacio, 

 Lower California, Mexico. 



Range. — This subspecies is the common water-snake of 

 southern California west of the deserts. Where streams run 

 from the western mountains down onto the desert this snake 

 may follow them for some distance, as, to Victorville on the 

 Mohave River, and Palm Canyon at the eastern base of the San 

 Jacinto Mountains. It ranges at least from sea level to an 

 altitude of 8000 feet. The most northern locality from which 

 we have seen a typical specimen is Oceano, San Luis Obispo 

 County. It occurs also in Santa Barbara, Ventura, Los An- 

 geles, San Bernardino, Riverside and San Diego counties, and 

 northwestern Lower California. Its range is chiefly in the 

 Upper Sonoran Zone but extends into the Lower Sonoran and 

 Transition zones. 



We have examined specimens from the following locali- 

 ties : — 



1. Oceano, San Luis Obispo Co., California. 



2. Santa Inez River, Santa Barbara Co., Cal. 



3. Santa Paula, Ventura Co., Cal. 



4. West Fork of San Gabriel River, Los Angeles Co., Cal. 



5. Pasadena, Los Angeles Co., Cal. 



6. Los Angeles, Los Angeles Co., Cal. 



7. Rock Creek, Los Angeles Co., Cal, 



8. San Bernardino Co., Cal. 



9. Victorville, San Bernardino Co., Cal. 



10. Santa Ana Canyon, San Bernardino Co., Cal. 



11. Santa Ana River, San Bernardino Mountains, San Ber- 

 nardino Co., Cal. 



12. San Bernardino Mountains, San Bernardino Co., Cal. 



13. Ontario, San Bernardino Co., Cal. 



14. Chino, San Bernardino Co., Cal. 



15. Riverside, Riverside Co., Cal. 



16. San Jacinto Valley, Riverside Co., Cal. 



17. Keen Camp, Riverside Co., Cal. 



18. Hemet Lake, Riverside Co., Cal. 



19. Base of San Jacinto Mountains, near Cabazon, Riverside 

 Co., Cal. 



