re

Total length, 363-520; tail, 25-55; hind foot, 112-150; ear from notch
(dry), 62-70. Upper parts brownish or dusky grayish; hind feet brownish
or white depending on subspecies; winter pelage white except in certain
populations along Pacific Coast; basilar length less than 67; first
upper incisors inscribing an arc of a circle the radius of which is
less than 9.6 mm. There are two to six young in a litter according to
Orr (1940:59).

LEPUS AMERICANUS AMERICANUS Erxleben.

1777. [_Lepus_] _americanus_ Erxleben, Systema Regni Animalis ...,
1:330, type locality Hudson Bay, Canada.

1778. _Lepus hudsonius_ Pallas, Glires, p. 30, type locality not
stated.

1790. _Lepus nanus_ Schreber, S[:a]:a]ugethiere, 4:880-885, pl. 234B, a
composite of _Lepus americanus_ and _Sylvilagus floridanus_. No
type or type locality designated. Range given as from Hudson Bay
to Florida.

1899. _Lepus bishopi_ J. A. Allen, Bull. Amer. Mus. Nat. Hist.,
12:11, March 4, type from Mill Lake, Turtle Mts., North Dakota
(inseparable from _L. a. americanus_ according to V. Bailey, N.
Amer. Fauna, 49:138, January 8, 1927 [not December, 1926]).

_Marginal records_ (Nelson, 1909:89, unless otherwise
noted).--Keewatin: Hudson Bay (Anderson, 1947:100). Ontario: Fort
Severn (Nelson, 1909:88); around shore of Hudson Bay to approximately
56[deg] N thence to Ungava: Fort Chimo. Labrador: Hamilton Inlet.
Ontario: North Bay of Lake Nipissing; Michipicoten Island; Isle Royal
(Anderson, 1947:100). Manitoba: Dog Lake. Saskatchewan: Indian Head.
North Dakota (V. Bailey, 1927:139): Mill Lake, Turtle Mts.; Grafton;
"near" Fargo; Elbowoods; Buford. Saskatchewan: Battle Creek (Soper,
1946:149). Alberta: Red Deer; 50 mi. N Edmonton; Fort Chipewyan;
Govt. Hay Camp, Slave River (Soper, 1942:140).

LEPUS AMERICANUS BAIRDII Hayden.

1869. _Lepus bairdii_ Hayden, Amer. Nat., 3:115, May, type locality
Columbia Valley, Wind River Mts., Fremont County, Wyoming.

1875. [_Lepus americanus_] var. _bairdii_, J. A. Allen, Proc. Boston
Soc. Nat. Hist., 17:431, February 17.

_Marginal records._--British Columbia: Elko (Anderson, 1947:100);
Waterton Lakes Nat'l Park (_ibid._). Montana (Nelson, 1909:112):
Fort Benton; Big Snowy Mts. Wyoming: 5 mi. E and 9 mi. N Pinedale
(15924 KU); 3 mi. ESE Browns Peak (17603 KU). Colorado: Boulder Co.