OCHOTONA PRINCEPS UINTA Hollister.

1912. _Ochotona uinta_ Hollister, Proc. Biol. Soc. Washington,
25:58, April 13, type from "near" head E. Fork Bear River, Uinta
Mts., Utah.

1924. _Ochotona princeps uinta_, A. H. Howell, N. Amer. Fauna,
47:19, September 23.

_Marginal records._--Utah: type locality; Elk Park (Hall and Bowlus,
1938:337); _11,000 to 11,500 ft., The Nipple_ (_ibid._); 10,500 ft.,
SW slope Bald Mtn. (_op. cit._:336); Mt. Timpanogos (_op.
cit._:337); 8500 ft., Morehouse Canyon, 5 mi. above Weber River
(_op. cit._:337); _Spirit Lake_ (_op. cit._:336) not found.

OCHOTONA PRINCEPS UTAHENSIS Hall and Hayward.

1941. _Ochotona princeps utahensis_ Hall and Hayward, Great Basin
Nat., 2:107, July 20, type from 2 mi. W Deer Lake, Garfield
County, Utah.

_Marginal records._--Utah: 9000 ft., Donkey Lake, Boulder Mtn.
(Durrant, MS); type locality.

OCHOTONA PRINCEPS VENTORUM A. H. Howell.

1919. _Ochotona uinta ventorum_ A. H. Howell, Proc. Biol. Soc.
Washington, 32:106, May 20, type from Fremont Peak, Wind River
Mts., Fremont County, Wyoming.

1924. _Ochotona princeps ventorum_ A. H. Howell, N. Amer. Fauna,
47:18, September 23.

_Marginal records._--Montana: Emigrant Peak (A. H. Howell, 1924:19);
Beartooth Mts. (_ibid._). Wyoming: 9600 ft., 19-1/2 mi. E and 4-1/2
mi. S Shell (20882 KU); head of Trappers Creek (A. H. Howell,
1924:19); Medicine Wheel Ranch, 28 mi. E Lovell (32919 KU); Needle
Mtn. (A. H. Howell, 1924:19); Lake Fork (_ibid._); 8450 ft., 17-1/2
mi. S and 6-1/2 mi. W Lander (37994 KU); Middle Piney Lake, "near"
Stanley (A. H. Howell, 1924:19); Salt River, 16 mi. S Afton (Hall and
Bowlus, 1938:337); Teton Pass (A. H. Howell, 1924:19). Idaho: Teton
Canyon (Davis, 1939:349).

Family LEPORIDAE--Rabbits and Hares

Hind legs longer than forelegs; ears longer than wide; frontal bone
carrying supraorbital process consisting always of posterior arm and
sometimes of anterior arm; rostrum wide; nasals not wider anteriorly
than posteriorly; maxillae conspicuously fenestrated; jugal projecting
less than half way from zygomatic root of squamosal to external auditory
meatus (except in _Romerolagus_); pubic symphysis well marked; dental
formula, i. 2/1, c. 0/0, p. 3/2, m. 3/3 (but m. 2/3 in _Pentalagus_ of
Liu Kiu Islands south of Japan); second upper maxillary tooth li