4 U. S. NATIONAL MUSEUM BULLETIN 205 



Didelphis marsupialis particeps Goldman 



1917. Didelphis marsupialis particeps Goldman, Proc. Biol. Soc. Washington, 



vol. 30, p. 107, May 23, 1917. 

 Type Locality. — San Miguel Island, Archipielago de las Perlas, Golfo de 

 Panama, Panama. Range. — Known from type locality only. 



Didelphis marsupialis battyi Thomas 



1902. Didelphis marsupialis battyi Thomas, Nov. Zool., vol. 9, p. 137, Apr. 

 10, 1902. 



Type Locality. — Coiba Island, Panama. Range. — Known from type locality 

 only. 



Didelphis marsupialis etensis J. A. Allen* 



1902. Didelphis marsupialis etensis J. A. Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 16, p. 262, Aug. 18, 1902. (Regarded as Didelphis marsupialis 



marsupialis by Hershkovitz, Fieldiana-Zool., Chicago Nat. Hist. Mus. 



Publ. 670, vol. 31, p. 550, July 10, 1951.) 



Type Locality. — Eten, Piura, Peru. Range. — Northward to Boqueron, Chiri- 



qui, Panama (Goldman, Smithsonian Misc. Coll., vol. 69, No. 5, pp. 45-47, 



Apr. 26, 1920) and Pozo Azul, San Jose, Costa Rica (J. A. Allen, Bull. Amer. 



Mus. Nat. Hist., vol. 20, p. 44, Feb. 29, 1904) . Recorded also from El Muneco, 



Cartago, Costa Rica (Hall and Kelson, Univ. Kansas Publ. Mus. Nat. Hist., vol. 5, 



No. 25, p. 321, Dec. 5, 1952) . 



Didelphis marsupialis insularis J. A. Allen* 



1902. Didelphis marsupialis insularis J. A. Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 16, p. 259, Aug. 18, 1902. 

 Type Locality. — Caparo, Trinidad Island, British West Indies. Range. — 

 Occurs also on the islands of Dominica, Grenada, St. Vincent, and Martinique, 

 Lesser Antilles (see Hollister, Proc. Biol. Soc. Washington, vol. 25, p. 93, May 

 4,1912). 



Genus MARMOSA* Gray (murine opossums) 



1821. Marmosa Gray, London Med. Repos., vol. 15, p. 308, Apr. 1, 1821. 



(Type, Didelphis murina Linnaeus.) 

 1900. Caluromys J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 13, p. 189, 



Oct. 12, 1900. (Part, cinerea — group.) 

 1916. Marmosops Matschie, Sitzb. Ges. naturf. Freunde Berlin, 1916, p. 267, 



Dec. 15, 1916. (Type, Didelphis incana Lund.) 



cinerea — group 

 Marmosa alstoni alstoni (J. A. Allen) * 



1884. Didelphys cinerea True, Proc. U. S. Nat. Mus., vol. 7 (App., Circ. 29), 



p. 587, Nov. 29, 1884. 

 1900. Caluromys alstoni J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 13, 



p. 189, Oct. 12, 1900. 

 1905. [Marmosa] alstoni Trouessart, Catalogus Mammalium . . . , Suppl., 



fasc. 4, p. 855. 

 1933. Marmosa alstoni alstoni Tate, Bull. Amer. Mus. Nat. Hist., vol. 66, p. 67, 



Aug. 10, 1933. 



1 Revised by Tate, Bull. Amer. Mus. Nat. Hist., vol. 66, pp. 1-250, Aug. 10, 1933. 



