FIELD BOOK OF MAMMALS 



Underparts. — Grayish, often washed with light pinkish 

 cinnamon, no conspicuous Hne of demarcation between color 

 of underparts and color of sides, but rather an insensible merg- 

 ing of the one into the other. 



Immature pelag3 more fuscous than adults, with less brown. 



Maasurements. — -Total length, 4.6-5 inches; tail vertebrce, 

 2.1-2.4 inches; hind foot, .6 -.7 inch; ear, .4 inch. 



Geographical Distribution. — Southeastern United States 

 from Atlantic to Pacific and north in the Great Plains district. 



Food. — Seeds, grains, fruit, and green vegetation, mostly 

 of native species and rarely of cultivated varieties. 



Enemies. — Hawks, Owls, Snakes, Weasels, Foxes, Coyotes, 

 and small carnivores. 



Species and Subspecies of the genus Reithrodontomys 

 Subgenus Reithrodontomys 

 Humulis Group 



Eastern Harvest Mouse. — Reithrodontomys humulis humulis 

 (Audubon and Bachman). 

 As described above. Found in "Southeastern United 

 States, east of the Alleghenies, from southern Virginia to 

 central Florida." (Howell) 



Small-eared Harvest Mouse. — Reithrodontomys humulis im- 

 piger (Bangs). 

 Closely resembling typical humulis in size and color, but ears 

 much smaller, .35 of an inch from notch. Found in 

 "Northern Virginia and mountains of West Virginia." 

 (Howell) 



Merriam Harvest Mouse. — Reithrodontomys humulis merriami 

 (Allen). 

 Blacker and with more gray on upperparts; ears smaller and 

 blacker. Total length, 4.3-5.1 inches; tail vertebrce, 2-2.4 

 inches; hind foot, .65 inch. Above, pinkish cinnamon mixed 

 with blackish which predominates along back to form dorsal 

 stripe; ears blackish brown. Found in "Coast region of 

 east Texas and southern Louisiana north to northeastern 

 Kentuclcy and West Virginia; east to Alabama; limits of 

 range imperfectly known." (Howell) 



Pallid Harvest Mouse. — Reithrodo?itomys albescens albescens 

 Cary. 

 Upperparts (summer) ochraceous buff mixed with blackish, 

 which is densest along median line, lighter on sides, some- 

 times with much gray over upperparts. Underparts clear 

 white. Total length, 4.8-5.2 inches; tail vertebrae 2-2.2 

 inches; hind foot, .65 inch. Found in "Sand-hill region of 



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