680 13. COLUBR1DX 



and its scales are sometimes tipped with orange-rufous. The 

 sides of the head are spotted with yellow. All the lower 

 surfaces and the upper labials are yellow, spotted on the 

 head and anterior gastrosteges with gray, slate or brown. 

 The anterior gastrosteges are sometimes washed with 

 orange-rufous, and in life the lower surfaces may be beauti- 

 ful bright rose pink. 



Length to anus 632 725 742 787 804- 968 



Length of tail 275 311 329 338 396 



Distribution. The Californian Racer appears to be con- 

 fined to those parts of California which lie to the west of 

 the Sierra Nevada and the Mohave and Colorado deserts, 

 and to parts of Lower California. 



In California, it has been taken in Shasta (Baird), So- 

 noma (seven miles west from Cazadero), Lake (Mount 

 Saint Helena), Contra Costa (Summit of Mount Diablo), 

 Alameda (Mills College), Santa Clara (Jasper Ridge near 

 Stanford University, Black Mountain, Los Gatos, Berry- 

 essa, Bell's Station in Pacheco Pass), Monterey (Carmel 

 Valley, Metz), Placer (Lander near Coif ax), Mariposa 

 (Pleasant Valley, vicinity of Coulterville), Fresno (Fresno, 

 Minkler), Tulare (Three Rivers), Kern (Fay Creek six 

 miles north of Weldon, Walker Pass, Fort Tejon), Ventura 

 (Mount Pinos), Santa Barbara (Santa Barbara), Los An- 

 geles (Los Angeles, Tujunga River, La Crescenta, Clare- 

 mont, Sierra Madre, Placerita Canyon, mouth of San Ga- 

 briel Canyon near Azusa), Orange (Santa Ana Canyon), 

 Riverside (Banning at 2200 feet, near Cabazon at 1800 

 feet, Riverside, San Jacinto, Strawberry Valley at 6000 feet 

 in the San Jacinto Mountains, Kenworthy at 4500 feet), and 

 San Diego (Oak Grove, Agua Caliente, Santa Isabel, Chula 

 Vista, Witch Creek, Poway, Dulzura, Campo) counties. 



