ROCK SQUIRREL 



Beechey Ground Squirrel; California Ground Squirrel — 



UtospermopMus grammnnis beecheyi (Richardson) 

 bhghtly smaller than typical grammurus but resemblinR it 

 rather closely m external appearance. Upperparts mixed 

 gray, light brown, and dusky m mottled pattern; brownest 

 on rump and lower back; a dusky patch between shoulders- 

 grayest on neck; two light bands of silver-gray from neck 

 runnmg down about to middle of body; top of head li^ht 

 gnzzled brown and dusky; ears black on outer side?; hands 

 fn tonP nn^^/'^= tail mixed yellowish gray and black, lightS 

 tJTI o^ lower side; underparts dirty yellowish gray. 

 Total length, 17 inches; tail vertebra, 7 inches; hind foot 

 2_2 inches Found m west-central California from San 

 Francisco Bay south to Ventura County; in Sacramento 

 Valley east of Sacramento River and in northern part of 

 San Joaquin Valley. Plate XXIII 



^^^M^Sam)^'^'"''"'"^^*""^^'''^'''"'^^^^^^ ^mmrn^..., fisheri 



naTerSnn^r^'? ^" ^'^^ ^"^ ^^^^^^^ coloration, but 

 derf'^Tt "^""'^^'^Zfy Sr^y on sides of neck and shoul- 

 ders not so much black on ear. Found in the southern 

 San Joaquin Val ey of California, north to Madera County 

 east to Panammt Mountains and south to Mexico ^' 



fJ'J.'fSrfsr)"^^ ^^^^— ^-^- 



Color pattern as in beecheyi but with a better- developed 

 dark shoulder patch which is blackish or brownish bla^ck 



tal "'Tn^il'''^r '^'''^ ij^^^y J^^^^k b^^^i^g °" hairs of 

 tail Total length 19 inches; tail vertebrae, 8 inches- hind 

 foot, 2.3 mches. Found from the Columbia River sS 



LftTof^^^Tu^^r^^^^^^ ^-^^ -^^ ^-^-^ "- 



. BiSermgivom beecheyi in darker color and less yellowish 

 brown. Top of head and ears black, nose mi^ed WackTnd 

 ochraceous; sides of neck grayish with prolongatSn into 

 ?ni?.H Ki^?^''^ ^^°"^ shoulders; patch between shoulders 

 mixed black and tawny ochraceous; tail above and below 

 buff mixed with black and bordered with black, lighter Tn 

 tone on underside. Total length, 19 inches; tai vfrtebr^ 

 7.5 inches; hmd foot, 2.4 inches. Found on Santa Catahna 

 Island Santa Barbara Islands, California. ^atalma 



'(Bane^'y) ^^"^^^^•"^^^^^^''^^^^"■^^^ grammurm p^gktns 

 Resembling couchii but lacking the black cap on head 



Upperparts dark brownish gray with considerable blackish 

 over head and ears, back coarsely variegated with irregular 

 black-tipped white crescents or wavy crossbars Lower- 



195 



