6i^ ^PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 

 Subfamily CRICETINAE. 



Genus ONYCHOMYS Baird. 



1857. Oni/chohtys Baird, Mamiu. N. Amer., p. 458. Type. — 

 Jlypudaens leacogoster Wied. 



Onychomys arcticeps Khoads. 



1898. OnycJioiitys arcticeps Rhoads, Proc. acad. nat. sci. 



Phila., p. 194. May 3, 1898. 

 Type locality. — Clapbam, Union County, New Mexico. 



Onychomys fuliginosus Meniani. 



1890. Oiiijrh(iiinjf< fidiijinosvs Merriam, North Amer. fauna, 

 no. 3, p. 60. September 11, 1890. 



Type locality. — Black Tank lava beds, northeast of San 

 J'rancisco IVIountain, Coconino County, Arizona. 



* Onychomys leucogaster ( Wied ) . 



1841. Hypudaeus leucogaster Wied, Reise in das innere 



Nord Amerika, ii, p. 99. 

 1857. Otiycho/iiys leucogaster Baird, Mamm. N. Amer., p. 



459. 

 1885. Uesperoniys leucogaster True, Proc. U. S. nat. rrius.,' 



VII (1884), p. 597. 1885. 

 Type locality. — Clark, Clark County, South Dakota. 



Onychomys leucogaster brevicaudus Merriam. 



1891. Onychomys leucogaster brevicaudus Merriam, North 

 Amer. fauna no. 5, p. 52. July 30, 1891. 



Type locality. — Blackfoot, Bingham County, Idaho. 



Onychomys longicaudus Merriam. 



1889. Onyc/iO)nys longicaudus Merriam, North Amer. fauna, 



no. 2, p. 2. October 80, 1889. 

 Type locality. — St. George, Washington County, Utah. 



Onychomys longipes Merriam. 



18S9. Oitycliomys longipes Merriam, North Amer. fauna, 



no. 2, p. i. October 30, 1889. 

 Type locality. — Concho County, Texas. 



