XXXVIII LIST OF SPECIES, 
86.—Sciurus douglassii, Bach.—Oregon Red Squirrel.—San Francisco to Puget’s Sound, 
Near bh ClCOAStansnesssecehencersceh tse sree seuss ceiesieee amen mesrics 3a: eee 
23. PTEROMYS, Cuvier. 
87.—Pteromys volucella, Cuv.(?)—Flying Squirrel—United States, to the Missouri 
RIVET oa swsvecsvcodeseetncen Geese csvecslvsvccbletaeldudermentirecmeds tateseseteneneceerte 
88.—Pteromys hudsonius, Fischer.—Northern Flying Squirrel.—Northern parts of the 
United States from Maine to Minnesota, and north.................0ceeeeee 
89.—Pteromys alpinus, Richardson.—Rocky Mountain Flying Squirrel.—Rocky Moun- 
GAUTIB Ty. sancisnalseccisesideisine els och [seliiniseslealeciesi'assiesuyes slisstlesieweacs sectaseneesit asses eects 
90—Pteromys oregonensis, Bach.—Oregon Flying Squirrel.—Near mouth of Columbia 
River cosonthern Calitonmia nc wesaeaceccacseanee caer echnetucneaeesceeean tenes 
24. TAMIAS, Illiger. 
91.—Tamias striatus.—Chipmunk.—Montreal to Virginia, and west to the Missouri...... 
92.—Tamias quadrivittatus, Rich.—Missouri Striped Squirrel.—Upper Missouri to 
Rocky Mountains, and west to the Cascade Range. Along the Rocky 
Mountains as far south as Fort Staunton, New Mexico. Lat. 33° 30’... 
93,—Tamias dorsalis, Baird.—Gila Striped Squirrel.—Fort Webster, New Mexico, 
eVovoy Irie, BRAUN). byes IUDEK OW spacaoaoncpnSaoon suas sone podonndescasndb0b Sona0S- 
94.—Tamias townsendii, Bach.—Townsend’s Striped Squirrel.—F rom Puget’s Sound to 
Petaluma, California, along and west of Cascade Mountains...........+. 
25. SPERMOPHILUS, Cuvier. 
a. Olospermophilus, Brandt. 
95. a eee itis beecheyi, Rich.—California Ground Squirrel.—Ooast of California, 
fromisan Diero to: MonbsReadine.tcsscporcessssivcswesuecsansesenmerodesenesehiee 
96.—Spermophilus douglassii, Rich.—Columbia Ground Squirrel.—Columbia River, 
from Fort Dalles to its mouth, and south to Klamath Lake............... 
97,—Spermophilus grammurus, Bachman.—Line-Tailed Squirrel—Head of Arkansas 
River; along the Rocky Mountains to Somora...........csssesessceeesececeees 
98.—Spermophilus couchii, Baird, (n. s.)—Black Ground Squirrel.—Northern Mexico... 
99,—Spermophilus lateralis, Rich.—Say’s Striped Squirrel—Rocky Mountains to Cas- 
cades, and between about Lat. 38° 25’ to northern line of California... 
b. Colobotis, Brandt. 
100.—Spermophilus harrisii, Aud. & Bach.—Harris’s Spermophile.—Mohave Desert... 
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