ioo VERTEBRATES: MAMMALS. 



The Red Mouse, H. Niittalli, Baird, of Pennsylvania 

 to Georgia and westward, is of the size of H. leucopus ; 

 the general color bright yellowish-cinnamon, the feet and 

 under portion of the tail white. 



The Cotton Mouse, H. gossypinus, Lee., is somewhat 

 larger than H. leucopus, rusty yellowish-brown above, 

 ashy-white beneath. 



The Gray-bellied Mouse, H. cognatus, Lee., is closely 

 related to H. leucopus, but smaller, the color yellowish- 

 brown, the under parts and feet dingy white. 



The Long-tailed Mouse, //. Boy Hi, Baird, of Western 

 North America, is larger than H. leucopus, body stout, 

 the color above mixed glossy-brown and pale yellowish- 

 brown ; the lower parts white. 



The Hamster Mouse, H. myoides, Baird, of Canada and 

 New York, is of the size of H. leucopus or larger, with 

 moderate cheek-pouches, the color above cinnamon-brown 

 lined with dusky, the under parts and feet pure white. 



The Prairie Mouse, H, michiganensis, Wagner, of Mich- 

 igan and westward, is about three inches long to the tail, 

 which is half an inch or an inch shorter than the head 

 and body ; the color above blackish-brown, the under 

 parts snowy white. 



The Great-eared Mouse, H. calif ornicus, Baird, is one of 

 the largest of the genus, sooty-brown above, white below. 



The Desert Mouse, H. eremicus, Baird, of California, is 

 readily distinguished by its naked soles. 



The Missouri Mouse, H. leucogaster, Baird, of the Upper 

 Missouri, is grayish-brown above, white below. 



The Rice-field Mouse, H. palustris, Wagner, of South 

 Carolina and Georgia, is of a mixed black and pale 

 brownish-ash color above, ashy white beneath. 



The Genus Neotoma Wood Rats is characterized 

 by a rat-like appearance, large and nearly naked ears, 

 long and more or less densely hairy tail, and hairy heels. 



