558 U. S. NATIONAL MUSEUM BULLETIN 205 



Nelsonia neotomodon Merriamf * 



1897. Nelsonia neotomodon Merriam, Proc. Biol. Soc. Washington, vol. 11, 



p. 278, Dec. 17, 1897. 

 Type Locality. — Mountains near Plateado, Zacatecas, Mexico. Altitude, 8,200 

 feet. 



Genus RHEOMYS Thomas 

 1906. Rheomys Thomas, Ann. Mag. Nat. Hist., ser. 7, vol. 17, p. 421, April 

 1906. (Type, Rheomys underwoodi Thomas.) 



Rheomys tbomasi thomasi Dickey 



1928. Rheomys thomasi Dickey, Proc. Biol. Soc. Washington, vol. 41, p. 11, 

 Feb. 1, 1928. 



Type Locality. — Finca San Felipe, Mount Cacaguatique, San Miguel, El Salva- 

 dor. Arid Upper Tropical Zone. Altitude, 3,500 feet (see Stirton, Journ. 

 Mamm., vol. 25, No. 4, p. 341, Dec. 12, 1944). Range. — Known from vicinity 

 of type locality. 



Rheomys thomasi stirtoni Dickey 



1928. Rheomys thomasi stirtoni Dickey, Proc. Biol. Soc. Washington, vol. 41, 

 p. 12, Feb. 1, 1928. 



Type Locality. — Los Esesmiles, Chalatenango, El Salvador. Humid Upper 

 Tropical Zone. Altitude, 8,000 feet. Range. — Known from type locality only. 



Rheomys thomasi chiapensis Hooper 



1947. Rheomys thomasi chiapensis Hooper, Journ. Mamm., vol. 28, No. 1, p. 

 53, Feb. 17, 1947. 



Type Locality. — Prusia, Chiapas, Mexico. Altitude, 1,100 meters. Range. — 

 Known from type locality only; probably ranges southward in cloud and rain 

 forests in Sierra Madre. 



Rheomys underwoodi Thomas 



1906. Rheomys underwoodi Thomas, Ann. Mag. Nat. Hist., ser. 7, vol. 17, 

 p. 422, April 1906. 



Type Locality. — Tres Rios, Cartago, Costa Rica. Range. — Known from type 

 locality only. 



Rheomys hartmanni Enders 



1939. Rheomys hartmanni Enders, Proc. Acad. Nat. Sci. Philadelphia, vol. 90, 

 p. 295, Feb. 3, 1939. 



Type Locality. — Hot Springs on Rio Cotito, Chiriqui, Panama. Altitude, 

 4,900 feet. Range. — Known from type locality only. 



Rheomys raptor Goldmanf * 



1912. Rheomys raptor Goldman, Smithsonian Misc. Coll., vol. 60, No. 2, p. 7, 

 Sept. 20, 1912. 



Type Locality. — Near head of Rio Limon, Mount Pirri, Darien, eastern 

 Panama. Altitude, 4,500 feet. Range. — Known from type locality only. 



Genus XENOMYS Merriam 

 1892. Xenomys Merriam, Proc. Biol. Soc. Washington, vol. 7, p. 160, Sept. 29, 

 1892. (Type, Xenomys nelsoni Merriam.) 



