4 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



Didelphis marsupialis battyi Thomas. 



1902. Didelphis marsupialis battyi Thomas, Novitates Zoologicse, 



vol. 9, p. 137. April 10, 1902. 

 Type Locality. — Coiba Island, Panama. 



Didelphis marsupialis etensis Allen. 



1902. Didelphis marsupialis etensis Allen, Bull. Amer. Mus. 



Nat. Hist., vol. 16, p. 262. August 18, 1902. 

 Type Locality. — Eten, Piura, Peru. Ranges north to Panama. 

 (See Goldman, Smiths. Misc. Coll., vol. 69, No. 5, pp. 45-47, 

 April 26, 1920.) 



*Didelphis marsupialis insularis Allen. 



1902. Didelphis marsupialis insularis Allen, Bull. Amer. Mus. 



Nat. Hist., vol. 16, p. 259. August 18, 1902. 

 Type Locality. — Caparo, Trinidad. 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.) 



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, Panama. 



t*Didelphis richmondi Allen. 



1901. Didelphis richmondi iVLLEN, Bull. Amer. Mus. Nat. Hist., 



vol. 14, p. 175. June 15, 1901. 

 Type Locality. — Greytown, Nicaragua. 



t*Didelphis yucatanensis yucatanensis Allen. 



1901. Didelphis yucatanensis Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 14, p. 178. June 15, 1901.^ 

 Type Locality. — -Chichenitza, Yucatan, Mexico. 



t*Didelphis yucatanensis cozumelae Merriam. 



1901. Didelphis yucatanensis cozumelse Merriam, Proc. Biol. Soc. 



Washington, vol. 14, p. 101. July 19, 1901. 

 Type Locality. — Cozumel Island, Yucatan, Mexico. 



Genus MARMOSA Gray. (Murine Opossums.) 



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



April 1, 1821. Type, Didelphis murina Linn^us. 

 1916. Marmosops Matschie, Sitzungsber. Gesellsch. naturforsch. 



Freunde, Berlin, 1916, p. 267. December 15, 1916. Type, 



Didelphis incana Lund. 



» Didelphis nehoni Allen, p. 160, a notnen nulum, may have been intended to apply to this species. 



