38 



or less familiar with all but three or four, and consider that 

 very few of them are not well founded ; while I am cogni- 



Sitomys mearnsii (Allen). 



Sitomys boylii (Baird). 



Sitomys auripectus Allen, Bull. Am. Mus. Nat. Hist., V., p. 75, April, 

 1893. San Juan region of Utah, Colorado, New Mexico, and Arizona. 



Sitomys rowleyi Allen, ibid., p. 76. Southeastern Utah and adjoining por- 

 tions of Colorado, New Mexico, and Arizona. 



Sitomys rowleyi pin a/is Miller, ibid., p. 331, Dec, 1S93. Grant County, 

 New Mexico, and Pinal County, Arizona. 



Sitomys fratercuhts Miller. 



Sitomys eremicus (Baiid). 



Sitomys major Rhoads, Am. Nat., Sept., 1893, p. 831. San Bernardino Co., 

 Cal. 



Sitomys herroni Rhoads, ibid., p. 832. San Bernardino Valley, Cal. 



Sitomys californicus (Gambel). 



Sitomys gilberti Allen, Bull. Am. Mus. Nat. Hist., V., p. 188, Aug., 1893. 

 San Benito Co., Cal. 



Sitomys martirensis Allen, ibid., p. 187. San Pedro Martir Mountains, 

 Lower California. 



Sitomys robustus Allen, ibid., p. 335, Dec, 1893. Lake Co., California. 



Sitomys jloridaniis (Chapman). 



Sitomys macropus (Merriam). 



Sitomys truei (Shufeldt). 



Sitomys truei megaloiis (Merriam). 



Sitomys truei nasutus (Allen). 



Sitomys truei crinitus (Merriam). 



Sitomys aureolus (Aud. & Bach.). 



Sitomys michiganensis (Aud. & Bach.). 



Sitomys anthonyi (Merriam). 



Sitomys taylori (Thomas). 



Sitomys niveiveutris (Chapman). 



Sitomys niveiveutris subgriseus Chapman, Bull. Am. Mus. Nat. Hist., V., 

 p. 340, Dec, 1893. Florida. 



b. Mexico and Central America. 



Sitomys aztecus (De Saussure). 



Sitomys melanophrys (Coues). 



Sitomys dijficilis (Allen) = Vesperimtis dijficilis Allen, Bull. Am. Mus. 

 Nat. Hist., III., p. 298, June, 1891. Sierra de Valparaiso, Zacatecas, Mexico. 



Sitomys musculus Merriam, Proc Biol. Soc Wash., VII., p. 170, Sept., 1892. 

 Colima and Jalisco, Mexico. 



Sitomys cherriei Allen = Hesperomys (Vesperimus) cherrii Allen, Bull. Am. 

 Mus. Nat. Hist., III., p. 211, April, 1S91. Costa Rica. 



Sitomys uudipes Allen = Hesperomys {Vesperimus) nudipes Allen, ibid., p. 

 213, and V., 1893, p. 239. Costa Rica. 



