RODENTIA: HETEROMYIDAE 417 



Subgenus XYLOMYS Merriam 



1902. Xylomys Merriam, Proc. Biol. Soc. Washington, vol. 15, p. 43, Mar. 5, 

 1902. (Type, Heteromys nelsoni Merriam.) 



Keteromys nelsoni Merriamf * 



1902. Heteromys (Xylomys) nelsoni Merriam, Proc. Biol. Soc. Washington, 

 vol. 15, p. 43, Mar. 5, 1902. 



Type Locality .— Pinabete, Chiapas, Mexico. Altitude, 8,200 feet. Range. — 

 Humid, heavily forested Pacific slopes of Sierra Madre in southern Chiapas, 

 Mexico, and doubtless adjacent portions of Guatemala. 



Heteromys oresterus Harris 



1932. Heteromys oresterus Harris, Occ. Pap. Mus. Zool. Univ. Michigan No. 



248, p. 4, August 4, 1932. (For status see Goldman, Journ. Washington 



Acad. Sci., vol. 27, No. 10, p. 419, Oct. 15, 1937.) 



Type Locality. — El Copey de Dota, Cordillera de Talamanca, Cartago, Costa 



Rica. Altitude, 6,000 feet. Range. — Known only from vicinity of type locality. 



Genus LIOMYS 5 Merriam 



1902. Liomys Merriam, Proc. Biol. Soc. Washington, vol. 15, p. 44, Mar. 5, 

 1902. (Type, Heteromys alleni Coues.) 



pictus — group 

 Liomys pictus pictus (Thomas) * 



1893. Heteromys pictus Thomas, Ann. Mag. Nat. Hist., ser. 6, vol. 12, p. 233, 



September 1893. 

 1897. Heteromys hispidus J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 9, 



p. 56, Mar. 15, 1897. (Compostela, Nayarit, Mexico.) 

 1911. Liomys pictus Goldman, North Amer. Fauna No. 34, p. 33, Sept. 7, 1911. 

 Type Locality. — Mineral San Sebastian, Jalisco, Mexico. Altitude, 4,300 feet. 

 Range. — Coastal plains and basal mountain slopes in western Jalisco and Colima 

 and probably western Michoacan. Zonal range, Arid Tropical. 



Liomys pictus escuinapae (J. A. Allen) * 



1906. Heteromys pictus escuinapae J. A. Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 22, p. 211, July 25, 1906. 

 1911. Liomys pictus escuinapae Goldman, North Amer. Fauna No. 34, p. 35, 



Sept. 7, 1911. 

 Type Locality. — Escuinapa, Sinaloa, Mexico. Range. — Coastal plains and 

 Pacific slopes of Sierra Madre from southern Sinaloa southward, passing into 

 typical pictus in southern Nayarit and northwestern Jalisco. Zonal range, Arid 

 Tropical and Lower Sonoran. 



Liomys pictus sonoranus Merriamf* 



1902. Liomys sonorana Merriam, Proc. Biol. Soc. Washington, vol. 15, p. 47, 



Mar. 5, 1902. 

 1911. Liomys pictus sonorana Goldman, North Amer. Fauna No. 34, p. 36, 



Sept. 7, 1911. 



6 Revised by Goldman, North Amer. Fauna No. 34, pp. 32-63, Sept. 7, 1911. 



