10 U. S. NATIONAL MUSEUM BULLETIN 205 



Caluromys derbianus nauticus (Thomas) 



1913. Philander laniger nauticus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 

 12, p. 359, October 1913. 



Type Locality. — Gobernadora Island, off west coast of Panama. Range. — Re- 

 corded also from Brava and Cebaco islands (Thomas, op. cit., p. 360) . 



Caluromys derbianus canus (Matschie) * 



1917. Micoureus canus Matschie, Sitzb. Ges. naturf. Freunde Berlin, 1917, No. 4 



(April) , p. 284, Sept. 10, 1917. 

 1952. Caluromys derbianus canus Hall and Kelson, Univ. Kansas Publ. Mus. 



Nat. Hist., vol. 5, No. 25, p. 324, Dec. 5, 1952. 

 Type Locality. — Nicaragua. 



Caluromys derbianus centralis (Hollister)f* 



1914. Philander centralis Hollister, Proc. Biol. Soc. Washington, vol. 27, p. 

 103, May 11, 1914. 



1946. Caluromys derbianus centralis Goodwin, Bull. Amer. Mus. Nat. Hist., 



vol. 87, p. 285, Dec. 31, 1946. 

 Type Locality. — Talamanca, Limon, Costa Rica. Range. — Forested coastal 

 region of eastern Costa Rica. 



Caluromys derbianus fervidus (Thomas) * 



1884. Didelphys derbianus True, Proc. U. S. Nat. Mus., vol. 7 (App., Circ. 



29), p. 587, Nov. 29, 1884. 

 1913. Philander laniger fervidus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 12, 



p. 359, October 1913. 

 1942. Caluromys derbianus fervidus Goodwin, Bull. Amer. Mus. Nat. Hist., 



vol. 79, p. 114, May 29, 1942. 

 Type Locality. — Guatemala. Range. — Probably lowlands of east-central Gua- 

 temala and northern Honduras; recorded at llama, Chamelecon and Catacamas 

 in Honduras (Goodwin, loc. cit.), and at Kate's Lagoon in British Honduras 

 (Hershkovitz, Fieldiana-Zool., Chicago Nat. Hist. Mus. Publ. 670, vol. 31, p. 

 552, July 10, 1951). 



Caluromys derbianus aztecus (Thomas)* 



1913. Philander laniger aztecus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 12, 

 p. 359, October 1913. 



Type Locality. — San Juan de la Punta, Veracruz, Mexico. Range. — Recorded 

 also from Teapa, Tabasco, Mexico (Thomas, loc. cit.) . 



Genus CHIRONECTES Illiger (water opossums) 

 1811. Chironectes Illiger, Prodromus systematis mammalium et avium . . . , 

 p. 76. (Type, Lutra minima Zimmermann.) 



Chironectes argyrodytes Dickey* 



1928. Chironectes argyrodytes Dickey, Proc. Biol. Soc. Washington, vol. 41, 

 p. 15, Feb. 4, 1928. 



Type Locality. — Hacienda Zapotitan, La Libertad, El Salvador. Altitude, 

 1,500 feet. Range. — Mountains of El Salvador east to central Honduras; limits 

 of range unknown (Goodwin, Bull. Amer. Mus. Nat. Hist., vol. 79, p. 112, May 

 29,1942). 



