NORTH AMERICAN RECENT MAMMAI.S. 251 



*Thomomys douglasii douglasii — Continued. 



1893. TJiomomi/s doxujlasii Allen, Bull. Aiuer. Mus. Nat. Hist., 



vol. 0, p. 66. April 28, 1893. 

 Type Locality. — -Near the mouth of the Columbia River, 



Oregon. 

 Range. — Kjiown only from type locality. 



t*Thomomys douglasii oregonus Merriam. 



1901. Thomomys douglasi oregomis Merriam, Proc. Biol. Soc. 



Washington, vol. 14, p. 115. July 19, 1901. 

 Type Locality. — ^Ely, near Oregon City, Willamette Valley, 



Clackamas County, Oregon. 

 Range. — Known only from type locality. 



t* Thomomys douglasii yelmensis Merriam. 



1899. TJiomomys douglasi yelmensis Merriam, Proc. Biol. Soc. 

 Washington, vol. 13, p. 21. January 31, 1899. 



Type Locality. — Tenino, Yelm Prairie, Thurston County, 

 Washington. 



Range. — Prairies around south end of Puget Sound, Washing- 

 ton. 



t*Thomomys douglasii tacomensis Taylor. 



1919. Thomomys douglasii tacomensis Taylor, Proc. Biol. Soc. 



Washington, vol. 32, p. 169. September 30, 1919. 

 Type Locality. — -Six miles south of Tacoma, Pierce County, 



Washington. 

 Range. — The typical form occurs on a prairie 6 miles south of 



Tacoma, Pierce County, Washington. Specimens from Olym- 



pia, Thurston County, and Steilacoom, Pierce County, are 



tentatively referred this subspecies (Taylor) . 



t*Thomomys douglasii melanops (Merriam). 



1899. Thomomys melanops Merriam, Proc. Biol. Soc. Washing- 

 ton, vol. 13, p. 21. January 31, 1899. 



1915. TJiomomys douglasi melanops Bailey, North Amer. Fauna, 

 No. 39, p. 119. November 15, 1915. 



Type Locality. — Timberline at head of Soleduc River, Olympic 

 Mountains, Clallam County, Washington. 



Range. — Olympic Mountains, Washington. 



t*Thomomys douglasii shawi Taylor. 



1921. Thomomys douglasii shawi Taylor, Proc. Biol. Soc. Wash- 

 ington, vol. 34, p. 121. June 30, 1921. 

 Type Locality. — Owyhigh Lake, Mount Rainier, Pierce County, 

 Washington. Altitude, 5,100 feet. 



