464 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — San Jose, San Jose, Costa Rica (see Goodwin, Bull. Amer. 

 Mus. Nat. Hist., vol. 87, p. 383, Dec. 31, 1946) . Range.— Cordillera Central and 

 northern part of Cordillera de Talamanca. Known range from vicinity of 

 Zarcero (Tapesco), Alajuela, southeast to Volcan de Irazu in Cordillera Central 

 and to El Copey de Dota in Cordillera de Talamanca. Vertical range from 

 approximately 3,000 feet at Villa Colon and San Jose to 7,000 feet at Estrella 

 de Cartago (Hooper, Univ. Michigan Mus. Zool. Misc. Publ. 77, pp. 152-153, 

 Jan. 16, 1952). 

 Reithrodontomys mexicanus potrerograndei Goodwin 



1945. Reithrodontomys mexicanus potrerograndei Goodwin, Amer. Mus. Nov., 

 No. 1293, p. 1, July 20, 1945. 



Type Locality. — Agua Buena (locally known as Caiias Gordas, but about 30 

 air-line miles north of Caiias Gordas near Panama boundary), Sabanna de 

 Potrero Grande, Puntarenas, Costa Rica. Altitude, about 3,500 feet. Range. — 

 Pacific slopes of Cordillera de Talamanca of eastern Costa Rica and extreme 

 western Panama. Known range from Agua Buena, Costa Rica, to localities on 

 slopes of Cerro Pando, Panama. Vertical range from 3,500 feet at Agua 

 Buena to about 4,000 feet on Rio Colorado (Siola) and Rio Chebo, Panama 

 (Hooper, Univ. Michigan Mus. Zool. Misc. Publ. 77, pp. 154-155, Jan. 16, 1952) . 



Reithrodontomys mexicanus garichensis Enders and Pearson* 



1940. Reithrodontomys mexicanus garichensis Enders and Pearson, Not. 



Naturae Acad. Nat. Sci. Philadelphia, No. 60, p. 1, Oct. 8, 1940. 

 Type Locality. — Rio Gariche, 5 miles southwest of El Volcan Post Office, 

 Chiriqui, Panama. Altitude, 3,200 feet. Range. — Cordillera de Talamanca of 

 western Panama and possibly of extreme southeastern Costa Rica. As now 

 known, confined to Volcan de Chiriqui and slopes of adjoining mountains. 

 Vertical range from 3,200 feet on Rio Gariche to 7,000 feet at Casita Alta, near 

 Boquete; one subadult specimen known from 11,000 feet in crater of Volcan 

 de Chiriqui (Hooper, Univ. Michigan Mus. Zool. Misc. Publ. 77, p. 156, Jan. 16, 

 1952). 



Reithrodontomys brevirostris Goodwin* 



1943. Reithrodontomys brevirostris Goodwin, Amer. Mus. Nov., No. 1231, 

 p. 1, June 2, 1943. 



Type Locality. — Canyons above Villa Quesada, Alajuela, Costa Rica. Alti- 

 tude, 5,000 feet. Range. — Cordillera Central of Costa Rica. Known range con- 

 fined to Caribbean watershed from Villa Quesada south to Estrella de Cartago. 

 Vertical range from 5,600 feet at Zapote to approximately 7,500 feet near Villa 

 Quesada (Hooper, Univ. Mich. Mus. Zool. Misc. Publ. 77, p. 163, Jan. 16, 1952) . 



tenuirostris — group 

 Reithrodontomys microdon microdon Merriamf* 



1901. Reithrodontomys microdon Merriam, Proc. Washington Acad. Sci., 



vol. 3, p. 548, Nov. 29, 1901. 

 Type Locality. — Todos Santos (southeast of Nenton), Huehuetenango, Guate- 

 mala. Altitude, 10,000 feet. Range. — High mountains of Guatemala and ex- 



