6 BUM^ETIN 79, UNITED STATES NATIONAL MUSEUM. 



Genus METACHIRUS Burmeister. 



1854. MetacJiirus Burmeistee, Thiere Brasil., vol. 1, p. 135. 

 Type, DidelpTiys myosurus Temminck = D. nudicaudata 

 Geoffroy. 



*Metacliirus fuscogriseus fuscogriseus Allen. 



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

 (1884), p. 587. 1885. (Not of Temminck.) 



1900. MetacMrus fuscogriseus Allen, Bull. Amer. Mus. Nat. 

 Hist., vol. 13, p. 194. October 23, 1900. 



Type Locality. — Central America, exact locality not known.* 



t*Metachirus fuscogriseus pallidus Allen. 



1901. MetacMrus fuscogriseus pallidus Allen, Bull. Amer. 

 Mus. Nat. Hist., vol. 14, p. 215. July 3, 1901. 



Type Locality. — Orizaba, Vera Cruz, Mexico. 



t*Metaciiirus nudicaudatus dentaneus Goldman. 



1912. MetacJiirus nudicaudatus dentaneus Goldman, Smiths. 



Misc. CoU., vol. 56, No. 36, p. 2. February 19, 1912. 

 Type Locality. — Gatun, Canal Zone, Panama. 



Genus CALUROMYS Allen. 



■•900. Caluromys Allen, Bull. Amer. Mus. Nat. Hist., vol. 13, 

 p. 189. October 12, 1900. Type, Didelphis philander Lin- 



N^US. 



*Caluromys alstoni Allen. 



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



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

 Type Locality. — Tres Rios, Costa Rica. 



*Caluromys derbianus (Waterhouse). 



1841. DidelpTiys derUanus Waterhouse, Jardine's Natur. Li- 

 brary, Mamm., vol. 11, p. 97. 



1885. DidelpTiys derUanus True, Proc. U. S. Nat. Mus., vol. 7. 

 (1884), p. 587. 1885. 



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

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



Type Locality. — Unknown. (Ranges north to Nicaragua.) 



*Caluromys laniger pallidus (Thomas). 



1899. PTiilander laniger pallidus Thomas, Ann. and Mag. Nat. 

 Hist., ser. 7, vol. 4, p. 286. October, 1899. 



1900. Caluromys laniger pallidus Allen, Bull. Amer. Mus. 

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



Type Locality. — Bogava, Chiriqui, Panama. Altitude, 250 

 meters. 



> " The specimen was found in a bunch of bananas in unloading a fruit steamer from a Central-American 

 port, most likely Colon, after its arrival alive in New York Harbor." (Allen.) 



