90 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Sigmodon colimae Allen. 
1897. Sigmodon colimae Allen, Bull. Amer. mus. nat. hist., 
IX, p. 55. March 15, 1897. 
Type locality. — Plains of Colima, State of Colima, Mexico. 
Sigmodon fulviventer Allen. 
1889. Sigmodon fulviventer Allen, Bull. Amer. mus. nat. 
hist., II, p. 180. October *21, 1889. 
Type locality. — Zacatecas, State of Zacatecas, Mexico. 
* Sigmodon hispidus Say and Ord. 
1825. Sigmodon hispidus Say and Ord, Journ. acad. nat. 
sci. Phila., iv, pt. ii, p. 354. 
1885. Sigmodon hispidus True, Proc. U. S. nat. mus., vii 
(1884), p. 598. 1885. 
Type locality.— St. John’s River, Florida. 
Sigmodon hispidus arizonae Mearns. 
1890. Sigmodon hisp)idus arizonae Mearns, Bull. Amer. mus. 
nat. hist., ii, p. 285. February 21, 1890. 
Type locality. — Fort Verde, Yavapai County, Arizona. 
Sigmodon hispidus eremicus Mearns. 
1897. Sigmodon hispidus eremicus Mearns. Preliminary 
diagnoses of new mammals of the genera Sciurus, Castor, 
Neotoma and Sigmodon, from the Mexican border of the 
United States, p. 4. March 15. 1897. (Reprint: Proc. U. 
S. nat. mus., xx, p. 504. January 19, 1898). 
Type locality. — Cienega Well, thirty miles south of monu¬ 
ment no. 204, Mexican boundary line, on the left bank of 
the Colorado River, State of Sonora, Mexico. 
Sigmodon hispidus littoralis Chapman. 
1889. Sigmodon'hispidus littoralis Chapman, Bull. Amer. 
mus. nat. hist., ii, p. 118. June 7, 1889. 
Type locality.— East Peninsula, opposite Micco, Brevard 
County, Florida. 
Sigmodon hispidus pallidus Mearns. 
1897. Sigmodon hispidus pallidus Mearns, Preliminary 
diagnoses of new mammals of the genera Sciurus, Castor, 
Neotoma and Sigmodon, from the Mexican border of the 
United States, p. 4. March 15, 1897. (Reprint: Proc. U. 
S. nat. mus., xx, p. 504. Januaiy 19, 1898). 
