19151 



Orinnell: A New Chipmunk 



323 



the same as above, but much duller in tones of color and hence with 

 less of contrast; compared with corresponding stage in Mndsi, grayer, 

 less reddish ; lower surface white instead of buff y ; brown of tail much 

 less reddish in tone, more ochraceous; dimensions diagnostic. 



Distribution. — Of Eutamias sono- 

 mae there are 68 specimens in the 

 Museum of Vertebrate Zoology, repre- 

 senting localities as follows: 5 miles 

 south of Kunz, Trinity County, 1; 

 Line Creek, 5500 ft. alt., 1 mile east 

 of Castle Peak, near Trinity County 

 line. Mendocino County. 1 ; 3 miles 

 south of Covelo. Mendocino County, 

 9 ; 3 miles west of summit of Sanhe- 

 drin Mountain. 4500-6000 ft. alt,. 

 Mendocino County, 22; Lierly's 

 Ranch, 2340 ft. alt., 4 miles south 

 of Sanhedrin Mountain, Mendocino 

 County, 2; 6 miles north of Willits, 

 1400 ft. alt... Mendocino County, 2; 

 Rumsey, 500 ft. alt., Yolo County. 3 ; 

 8 miles west of Vacaville. Solano 

 County, 5 ; 1 mile west of Guerneville, 

 Sonoma County. 6 ; 7 miles west of 

 Cazadero, Sonoma County, 15; Free- 

 stone, Sonoma County, 2. 



Of Eutamias tou:iis< ndi o<:hr<i<i< nys 

 there are 129 specimens in this Mu- 

 seum, distributed as follows: Trini- 

 dad. Humboldt County, 4; Areata, 

 Humboldt County, 1; Freshwater. 

 Humboldt County, 2 ; Eureka. Hum- 

 boldt County, 7; Fair Oaks, Hum- 

 boldt County, 17; Cuddeback, Hum- 

 boldt County, 5 ; Rockport, Mendocino 

 County, 1; Mendocino City, Mendocino County, 22; Sherwood. Men- 

 docino County, 23; 5 miles north of Willits, Mendocino County. 1; 

 Gualala, Mendocino County, 23; 7 miles west of Cazadero, 900 ft. alt., 

 Sonoma County, 12; Freestone, Sonoma County. 11. 



Of Eutamias Mndsi there are available, from the collections of this 



E. t. ochrogenys 

 E. sonomae 

 E. hindsi 



Fig. 1. Map of portion of north- 

 western California, north from San 

 Francisco Bay, showing record 

 stations and approximate ranges 

 of Eutamias townsendi ochrogenys, 

 Eutamias sonomae, and Eutamias 

 hindsi. 



