6 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



Genus METACHIRUS Burmeister. 



1854. Metachirus Bukmeistee, Tliiere Brasil., vol. 1, p. 135. 

 Type, Didelphys myosurus Temminck = D. nudicaudata 

 Geoffroy. 



*Metachirus fuscogriseus fuscogriseus Allen. 



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

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



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

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



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



t*Metacliirus fuscogriseus pallidus Allen. 



1901. Metacliirus fuscogriseus pallidus Allen, Bull. Amer. 

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



Type Locality. — Orizaba, Vera Cruz, Mexico. 



t*Metachirus nudicaudatus dentaneus Goldman. 



1912. Metachirus nudicaudatus dentaneus Goldman, Smiths. 



Misc. Coll., 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 (Waterbouse). 



1841. Didelphys derhianus Waterhouse, Jardine's Natur. Li- 

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

 1885. Didelphys derhianus 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. Philander 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. 



1 " 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.) 



