236 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



Synonyms. — Tropidonotus trivittatus Hallowell, 1853; type 

 locality Cosumnes River, California. Eutcenia elegans brimnea 

 Cope, 1892; type locality Fort Bidwell, California. Eutcenia 

 elegans lineolata Cope, 1892, (part) ; no type given. 



Range. — Thamnophis ordinoides elegans, as here defined, 

 is a mountain iorm. which appears to be confined to the Sierra 

 Nevada and San Bernardino mountains. In the Sierra Nevada 

 it has been taken on both the east and west slopes. It seems 

 not to occur at the lower levels. 



We have examined specimens from the following locali- 

 ties : — 



1. Onion Valley, Inyo Co., California, 



2. Oroville, Butte Co., Cal. 



3. Strawberry Valley, Yuba Co., Cal. 



4. Soda Springs Station, Placer Co., Cal. 6,500 feet. 



5. Fyffe, El Dorado Co., Cal. 



6. Tuolumne Meadows, Tuolumne Co., Cal. 



7. Tuolumne Meadows, Yosemite National Park, Cal. 

 at 8,600 feet. 



8. Tamarack Flat, Mariposa Co., Cal. 



9. Yosemite Valley, Mariposa Co., Cal. 



10. Yosemite National Park, Cal., at 7,700 feet. 



11. Kings River, Fresno Co., Cal., at 5,000 feet. 



12. Sierra Nevada Mountains, Tulare Co., Cal. 



13. Little Truckee River, Sierraville, Sierra Co., Cal. 



14. Fallen Leaf Lake, El Dorado Co., Cal. 



15. Lake Tahoe, El Dorado Co., Cal. 



16. Tallac, El Dorado Co., Cal. 



17. Glenbrook, Douglas Co., Nevada. 



18. Farrington's, Mono Lake, Cal. 



19. San Bernardino Mountains, San Bernardino Co., Cal. 



20. West Fork Deep Creek, San Bernardino Co., Cal. 



Of the specimens from the San Bernardino Mountains, num- 

 ber C761 is from Seven Oaks, altitude 5,000 feet; number 

 C4316 is from Santa Ana Canyon, altitude 5,900 feet; number 

 C758 is from the South Fork of the Santa Ana River, altitude 

 6,200 feet; numbers C759, C965 and C966 are from Fish 

 Creek, altitude 6,500 feet; number C760 is from Bear Lake, 



