90 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



Sigmodon colimae Allen. 



1897. >Si(///todo/i colimae Allen, Bull. Araer. mus. nat. hist., 



IX, p. 55. March 15, 1897. 

 Type locality. — Plains of Colima, State of Colima, Mexico. 



Sigmodon fulviventer Allen. 



1889. Siyiiiodoii ftdnweHter Allen, Bull. Amer. mns. nat. 

 hist., II, p. 180. October 21, 1889. 



Type locality. — Zacatecas, State of Zacatecas, Mexico. 



* Sigmodon hispidus Say and Ord. 



1825. Si(/modoii Jtispidns 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. Siijuiodon h.i.y>idi()< f'/v'2:o/<"^<t; Mearns, Bull. Amer. mus. 

 nat. hist., n, p. 285. February 21, 1890. 



Type locality. — Fort Verde, Yavapai County, Arizona. 



Sigmodon hispidus eremicus Mearns. 



1897. >Si(//,t(>do/i liicpldus eremicus Mearns. Preliminary 

 diagnoses of new mammals of the genera Sciurus, Castor, 

 Neotoraa 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 AVell, thirt}^ 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. >Si(//iiodo/i hii<2jidi(s 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 ]\Iearns. 



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. January 19, 1898). 



