XXXVIII LIST OF SPECIES. 



Pago. 



86. Sciurus douglassii, Bach. Oregon Red Squirrel. San Francisco to Puget's Sound, 



near the coast 275 



23. PTEROMYS, Cuvier. 286 



87. Pteromys volucella, Cuv.(?) Flying Squirrel. United States, to the Missouri 



River 286 



88. Pteromys hudsonius, Fischer. Northern Flying Squirrel. Northern parts of the 



United States from Maine to Minnesota, and north 288 



89. Pteromys alpinus, Richardson. Rocky Mountain Flying Squirrel. Rocky Moun 

 tains? 289 



90 Pteromys oregonensis, Bach. Oregon Flying Squirrel. Near mouth of Columbia 



River to Southern California? 290 



24. TAMIAS, Illiger. 291 



91. Tamias striatus. Chipmunk. Montreal to Virginia, and west to the Missouri 292 



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'... 297 



93. Tamias dorsalis, Baird. Gila Striped Squirrel. Fort Webster, New Mexico, 



about Lat. 33.00, Long. 108.00 300 



94. Tamias townsendii, Bach. Townsend's Striped Squirrel. From Puget's Sound to 



Petaluma, California, along and west of Cascade Mountains 301 



25. SPERMOPHILUS, Cuvier. 304 



a. Otospermophttus, Brandt. 305 



95. Spermophilus beecheyi, Rich. California Ground Squirrel. Coast of California, 



from San Diego to Fort Reading 307 



96. Spermophilus douglassii, Rich. Columbia Ground Squirrel. Columbia River, 



from Fort Dalles to its mouth, and south to Klamath Lake 309 



97. Spermophilus grammurus, Bachman. Line-Tailed Squirrel. Head of Arkansas 



River; along the Rocky Mountains to Sonora 310 



98. Spermophilus couchii, Baird, (n. s.) Black Ground Squirrel. Northern Mexico... 311 



99. Spermophilus lateralis, Rich. Say's Striped Squirrel. Rocky Mountains to Cas 

 cades, and between about Lat. 38 25' to northern line of California... 312 



b. Colobotis, Brandt. 306 



100. Spermophilus harrisii, Aud. & Bach. Harris's Spermophile. Mohave Desert... 313 



