448 U. S. NATIONAL MUSEUM BULLETIN 205 



Subgenus REITHRODONTOMYS Giglioli 



megalotis — group 

 Reithrodontomys humulis humulis (Audubon and Bachman) * 



1841. Mus humulis Audubon and Bachman, Proc. Acad. Nat. Sci. Phila- 

 delphia, vol. 1 (1841-1842), p. 97. 

 1884. Ochetodon humilis True, Proc. U. S. Nat. Mus., vol. 7 (App., Circ. 29) , 



p. 598, Nov. 29, 1884. ( Part. ) 

 1895. Reithrodontomys humilis dickinsoni Rhoads, Amer. Nat., vol. 29, p. 590, 



June 1895. (Willow Oak, Pasco County, Fla.) 

 1898. Reithrodontomys lecontii impiger Bangs, Proc. Biol. Soc. Washington, 

 vol. 12, p. 167, Aug. 10, 1898. (White Sulphur Springs, Greenbrier County, 

 W. Va. Altitude, 2,000 feet.) 

 1907. Reithrodontomys humulis Osgood, Proc. Biol. Soc. Washington, vol. 20, 



p. 49, Apr. 18, 1907. 

 Type Locality. — Charleston, Charleston County, S. C. Range. — Cleared, cul- 

 tivated, or abandoned farm lands and tall grass lands of southeastern United 

 States. Known range from near Mississippi River in eastern Louisiana (East 

 Baton Rouge Parish) eastward and northward through Alabama, Georgia, Flor- 

 ida, Tennessee and Kentucky (Miller and Robertson, Nat. Hist. Misc. Chicago 

 Acad. Sci. No. 67, pp. 1-3, Oct. 11, 1950) , North Carolina, and South Carolina 

 to extreme southeastern Virginia (Wallaceton, Norfolk County), thence west- 

 ward and northward through western Virginia and southern West Virginia to 

 Hamilton County in southwestern Ohio (Hooper, Occ. Pap. Mus. Zool. Univ. 

 Michigan No. 477, p. 12, Nov. 5, 1943) . 



Reithrodontomys humulis merriami (J. A. Allen) f * 



1895. Reithrodontomys merriami J. A. Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 7, p. 119, May 21, 1895. 



1914. Reithrodontomys humulis merriami A. H. Howell, North Amer. Fauna 

 No. 36, p. 21, June 5, 1914. 



Type Locality. — Austin Bayou, near Alvin, Brazoria County, Tex. Range. — 

 Tall-grass prairies and marsh grasslands of extreme eastern Texas and southern 

 Louisiana, west of Mississippi River. Known from vicinity of Richmond, Fort 

 Bend County, and Alvin, Brazoria County, Tex., north and east to Lafayette, 

 Lafayette Parish, La. (Hooper, Occ. Pap. Mus. Zool. Univ. Michigan No. 477, 

 p. 9, Nov. 5, 1943). 



Reithrodontomys humulis virginianus A. H. Howellf * 



1940. Reithrodontomys humulis virginianus A. H. Howell, Journ. Mamm., 

 vol. 21, No. 3, p. 346, Aug. 13, 1940. 



Type Locality. — Amelia, Amelia County, Va. Range. — Nonforested lands, 

 particularly those under cultivation for grain crops, of the Piedmont and coastal 

 plains of eastern Virginia and southwestern Maryland. Known from vicinity of 

 Triplett, Brunswick County, Va., north to Takoma Park (near Washington, 

 D. C.) , Md. (Hooper, Occ. Pap. Mus. Zool. Univ. Michigan No. 477, p. 17, Nov. 

 5. 1943) . 

 Reithrodontomys montanus montanus (Baird)t* 



1855. Reithrodon montanus Baird, Proc. Acad. Nat. Sci. Philadelphia, vol. 7, 

 p. 335, April 1855. 



