180 SIGMODON. ORYZOMYS. 



Geogr. Distr. Western portion of State of Jalisco, and southern 

 part of Province of Tepic, Mexico. 



395. Sigmodon fulvi venter Allen. 



Sigmodon fulviventer Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1889, 

 p. 180. Elliot, Mamm. Middle Amer.'& W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 232. Zool. Ser. 

 Fulvous-bellied Cotton Rat. 



Type locality. Zacatecas, State of Zacatecas, Mexico. 

 Geogr. Distr. States of Durango and Zacatecas, Mexico. 



396. Sigmodon melanotis Bailey. 



Sigmodon melanotis Bailey, Proc. Biol. Soc. Wash., xv, 1902, 

 p. 114. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 232. Zool. Ser. 

 Black-eared Cotton Rat. 



Type locality. Patzcuaro, State of Michoacan, Mexico. 



Geogr. Distr. State of Michoacan, range unknown. 



397. Sigmodon austerulus Bangs. 



Sigmodon austerulus Bangs, Bull. Mus. Comp. Zool., xxxix, 1902, 

 p. 32. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 231. Zool. Ser. 



VOLCAN DE ChIRIQUI CoTTON RaT. 



Type locality. Volcan de Chiriqui, Chiriqui, Panama. Altitude, 

 10,000 feet. 



Geogr. Distr. Panama, Central America. 



Genus 66. Oryzomys. Rice Rats. 



Oryzomys Baird, N. Am. Mamm., 1857, p. 458. Type Mus pal- 

 ustris Harlan. 

 Oligoryzomys Bangs, Proc. N. Eng. Zool. Club, i, 1900, p. 94, pi. i, 

 fig. 2. 



Subgenus A. Oryzomys. 

 398. Oryzomys palustris (Harlan). 



Mus palustris Harl., Am. Journ. Scien. & Arts, xxxi, 1837, 



pp. 385-386. 

 Hesperomys palustris Wagn., Schreb. Saugth., Suppl., in, 1843, 



P- 543- 

 Arvicola oryzivora Aud. & Bachm., N. Am. Quad., iii, 1853, p. 214, 

 pi. CXLIV, fig. 3. 



