398 
Onychomys. 
661 . Onychomys, Baird, 1857. 
Hypudceus, p., V ied, 1841; Hesperomys, p., Auct. 
Baird, Mamm. North-Amer., 1857, p! 457, 458. 
3959. leucogaster, Wied — (2989); Elliot, Field 
Columb. Alus., II, 1901, p. 119, f. 29. 
a. — brevicaudus, Merriam — (2,95,9 a); 
Elliot, 1. c., 1901, p. 120. 
b. — longipes, Merriam — (2990); Elliot, 
1. c., 1901, p. 120; (bona sp.), Miller, 
Proc. Bost. Soc., 1901, p. 66. 
c. — melanophrys, Memam — (2992); 
Elliot, i. c., 1901, p. 120; (bona sp.), 
Miller, 1. c., 1901, p. 67. 
d. — pallescens, Merriam — (2992 a); 
Elliot, 1. c., 1901, p. 121; (melanophr. 
pal/escem ) Miller, L e., 1901, p. 67. 
3960.arcticeps. Rhoads — (2989 11 exci. syn.V 
Elliot, 1. c., 1901, p. 121. 
3961. longicaudus, Merriam — (2991)- Elliot 
1. c., 1901, p. 121. 
3962. ramona, Rhoads — (2994); Elliot 1 c 
1901, p. 121. 
3963. torridus, Coues — (29,9.5); Elliot, 1 c 
1901, p. 122. 
a. — arenicola, Mearns — (2995 a); Elliot, 
1. c., 1901, p. 122. 
b. — perpallidus, Mearns — (29951); 
Elliot, 1. c., 1901, p. 122. 
3964. f uliginosus. Merriam — (2993); Elliot I c 
1901, p. 123. 
Dakota (Fort Clark), 
Missouri, Nebraska, 
Kansas, Oklakoma, 
Indian Territ., Texas. 
Idalio (Blackfoot), 
Wyoming, Colorado, 
PNov.-Mexico 
Sept.-Occ. 
Texas Centrali 
(Concho Co.). 
Utali (Kane Co., 
Kanab). 
Arizona (Apaeke Co., 
Moki Pueblos). 
Novo-Mexico 
Sept.-Or., (Union Co., 
Clapham), 
Utah (Washington Co., 
S* George). 
California Merid.-Or., 
(Vallo San Bernar- 
dino). 
Arizona (Graliam Co., 
Camp Grant), inter 
fl. Mississipi et M tes 
Rupestres. 
Texas Sept.-Occ. 
(Rio-Grande, prope 
EI Paso). 
Mexico Sept. et 
Arizona (Yuma Co., 
ad 11. Colorado 
in ripa sinistra). 
Arizona, M s San 
Francisco Sept.-Or., 
Painted Desert (Tank 
lava beds). 
