254 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



t*Heteromys nelsoni Merriam. 



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



Washington, vol. 15, p. 43. March 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. 



Genus LIOMYS Merriam.* 



1902. Liomys Merriam, Proc. Biol. Soc. Washington, vol. 15, 

 p. 44. March 5, 1902. Type, Heteromys alleni Coues. 



*Liomys pictus pictus (Thomas^. 



1893. Heteromys fictus Thomas, Ann. and Mag. Nat. Hist., ser. 6, 



vol. 12, p. 233. September, 1893. 

 1897. Heteromys Mspidus Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 9, p. 56. March 15, 1897. (Compostela, Tepic, Mexico.) 

 191 1. Liomys pictus Goldman, North Amer. Fauna, No. 34, p. 33. 



September 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. Arid 



tropical zone. 



*Liomys pictus escuinapae (Allen). 



1906. Heteromys pictus escuinapse Allen, Bull. Amer. Mus. Nat. 



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

 1911. Liomys pictus escuinapse Goldman, North Amer. Fauna, 



No. 34, p. 35. September 3, 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 Tepic and northwestern Jalisco. Arid tropical and 



lower Sonoran zones. 



t'Xiomys pictus sonoranus (Merriam). 



1902. Liomys sonorana Merriam, Proc. Biol. Soc. Washington, 

 vol. 15, p. 47. March 5, 1902. 



1911. Liomys pictus sonorana Goldman, North Amer. Fauna, 

 No. 34, p. 36. September 7, 1911. 



Type Locality. — Alamos, Sonora, Mexico. 



Range.— Arid coastal plains and basal slopes of Sierra Madre 

 from southern Sonora to southern Sinola. Mainly overlap- 

 ping portions of lower Sonoran and arid tropical zones. 



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



