NORTH AMERICAN RECENT MAMMALS. 5 



*Marmosa alstoni (Allen). 



1885. Didelphys cinerea True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 587. 1885. 

 1900. Caluromys alstoni Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 13, p. 189. October 12, 1900. 

 1905. [Marmosa] alstoni Trouessart, Cat. Mamm. viv. foss., 



Suppl., p. 855. 

 Type Locality. — Tres Rios, Costa Rica. 



For generic position see Allen, Bull. Amer. Mus. Nat. Hist., vol. 30, p. 24(3. 

 December 2, 1911. 



* Marmosa canescens (Allen). 



1893. DidelpMs (Micoureus) canescens Allen, Bull. Amer. Mus. 

 Nat. Hist., vol. 5, p. 235. September 22, 1893. 



1897. Marmosa canescens Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 9, p. 58. March 15, 1897. 



Type Locality. — Santo Domingo de Guzman, Isthmus of 

 Tehauntepec, Oaxaca, Mexico. 



* Marmosa chapmani Allen. 



1900. Marmosa chapmani Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 13, p. 197. October 23, 1900. 



1911. Marmosa grenadse. Thomas, Ann. and Mag. Nat. Hist., 

 ser. 8, vol. 7, p. 514. May, 1911. (See G. M. Allen, Bull. 

 Mus. Comp. Zool., vol. 54, p. 194, Jul^-, 1911.) Grenada, Les- 

 ser Antilles. 



1911. Marmosa nessea Thomas, Ann. and Mag. Nat. Hist., ser. 8, 

 vol. 7, p. 515. May, 1911. (Caparo, Trinidad.) 



Type Locality. — Caura, Trinidad. Occurs in Grenada and 

 the Grenadines, Lesser Antilles. (See Clark, Ann. and Mag. 

 Nat. Hist., ser. 8, vol. 13, p. 70. January, 1914.) 



Marmosa fulviventer Bangs. 



1901. Marmosa fulviventer Bangs, Amer. Nat., vol. 35, p. 632. 

 August, 1901. 



Type Locality. — San Miguel Island, Panama. 



Marmosa gaumeri Osgood. 



1913. Marmosa gaumeri Osgood, Proc. Biol. Soc. Washington 



vol. 26, p. 175. August 8, 1913. 

 Type Locality. — Yaxcaba, southwest of Chichenitza, Yucatan, 

 Mexico. 



t* Marmosa insularis Merriam. 



1898. Marmosa insularis Merriam, Proc. Biol. Soc. Washing- 

 ton, vol. 12, p. 14. January 27, 1898. 



Type Locality. — Maria Madre Island, Tres Marias Islands, 

 Jalisco, Mexico. 



