14+ SIGMODON. 



200. hispidus. {S!]i;iiio,/o>!), Say & Ord, Journ. Acad. Phil., 1825, 

 P- 352- 



ferniginei/s, Harlan, Am. Journ. Scien., 1828, p. 285. 



hortensis, Harlan, Med. & Phys. Res., 1835, p. 49, pi., fig. 5-8. 



Type locality. River St. John, east Florida. 



Geogr. Distr. Eastern United States, Carolinas to Florida. 



Genl. Char. Body stout; ears large; hind feet large and strong; 

 tail nearly as long as head and body; hair coarse. 



Color. Above pale yellow ochre, mixed with black; lower parts 

 cinereous. 



Afeasiire/iwnts. Total length, 252; tail vertebrae, 102; hind 

 foot, 32. 



a.^aif oralis. {Sigmodon). Chapman, Bull. Am. Mus. Nat. Hist., 

 1889, p. 118. 



Type locality. Micco, Brevard County, Florida. 



Geogr Distr. Florida Peninsula, eastern side. 



Genl. Char. Similar to S. hispidus, but darker. 



Color. General color mixed black and gray, or pale brownish 

 gray heavily lined with jellowish brown; under parts dusky brownish 

 gray. Tail bicolor. 



Measurements. Total length, 274; tail vertebra', 105; hind foot, 

 31 ; ear, 12. 



h.—iexcnsis. {texianiis!. Arvicola), Aud. & Bach. N. Amer. Quad., iii, 

 1853, p. 229, pi. 147, fig. 2. 



berlandieri, Baird, Proc. Acad. Nat. Scien. Phil., 1855, p. 333. 



Type locality. Brazos River, Texas. 



Geogr. Distr. Texas and Oklahoma Territory. 



Genl. Char. Smaller than .S. hispidus; tail shorter than head and 

 body; hind feet rather stout. 



Color. Upper parts and sides yellowish brown, inclining to 

 reddish on the rump, and lined with black, darkest on top of head 

 and on the back; under parts whitish or buffy white, the plumbeous 

 under fur showing through; feet dusky; tail blackish above, dark 

 gray below. 



Measurements. Total length, 273; tail vertebras, 120; hind 

 foot, 32. 



Specimens vary greatly in color, some being much darker than 

 others. 



c. — irizina. Mearns, Bull. Amer. Mus. Nat. Hist., 1890, p. 287. 

 Type locality. Fort Verde, Arizona. 

 Geogr. Distr. Arizona. 



