NORTH AMERICAN LAND MAMMALS. 303 



*Citellus richardsonii (Sabine). 



1822. Ardomys richardsonii Sabine, Trans. Linn. Soc, vol. 13, 



p. 589. 

 1885. Spermophilus richardsoni ricJiardsoni True, Proc. U. S. 



Nat. Mus., vol. 7 (1884), p. 594. 1885. 

 1904. [CiteUus] richardsoni Trouessart, Catal. Mamm. viv. 



foss., suppl., p. 338. 

 Type Locality. — Carlton House, Saskatchewan, Canada. 



*Citellus sonoriensis (Ward). 



1891. Spermophilus sonoriensis Ward, Amer. Nat., vol. 25, p. 



158. February, 1891. 

 Type Locality. — Hermosillo, State of Sonora, Mexico. 



Regarded by Merriam (Science, n. s., vol. 7, p. 32, January 7, 1898) as a 

 race of C. tereticaudus. 



*Citellus spilosoma spilosoma (Bennett). 



1833. Spermophilus spilosoma Bennett, Proc. Zool. Soc. Lon- 

 don, p. 40. 



1885. Spermophilus spilosomu True, Proc. U. S. Nat. Mus., 

 vol. 7 (1884), p. 594. 1885. 



1904. CiteUus spilosoma Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 20, p. 209. May 28, 1904. 



Type Locality. — "That part of California that adjoins Mex- 

 ico." Name restricted by Merriam (North Amer. Fauna, No. 

 4, p. 37, October 8, 1890) to the animal occurring in north- 

 ern Mexico and extreme western Texas. 



f^'Citellus spilosoma arens (Bailey). 



1902. Spermophilus spilosoma arens Bailey, Proc. Biol. Soc. 

 Washington, vol. 15, p. 118. June 2, 1902. 



1903. CiteUus spilosoma arens Miller and Rehn, Proc. Boston 

 Soc. Nat. Hist., vol. 31, p. 75. August 27, 1903. 



Type Locality. — El Paso, El Paso County, Texas. 



t*Citellus spilosoma annectens (Merriam). 



1893. Spermophilus spilosoma annectens Merriam, Proc. Biol. 

 Soc. Wasliington, vol. 8, p. 132. December 28, 1893. 



1904. [CiteUus spilosoma] annectens Trouessart, Catal. Mamm. 

 viv. foss., suppl., p. 340. 



Type Locality. — Padre Islantl, Cameron County, Texas. 



t*Citellus spilosoma macrospilotus (Merriam). 



1890. Spermophilus spilosoma macrospilotus Merriam, North 



Amer. Fauna, No. 4, p. 38. October 8, 1890. 

 1901. [Spermophilus spilosoma] microspilotus Elliot, Synopsis 

 Mamm. N. Amer., p. 96. (Accidental renaming of- 'macrospi- 

 lotus.) 



