Fes., 1912. MammMatrs oF ILLINOIS AND WISCONSIN — Cory. 265 
TH? 335 
L. a. pheonotus 
Area of intergradation 
Map illustrating the approximate distribution of Varying Hares (Lepus americanus and races) 
in eastern United States and Canada. 
Lepus americanus ERXLEBEN. (Syst. Regni Anim., I, 1777, p. 330.) Type lo- 
cality — Probably in the vicinity of Fort Severn, Keewatin, Canada. In 
summer, upper parts grayish brown; less ochraceous than virginianus. In 
winter, white. Total length, about 18.50 inches. 
Lepus a. struthopus Bancs. (Proc. Biol. Soc. Wash., XII, 1898, p. 81.) Type 
locality — Digby, Nova Scotia, Canada. Size about the same as americanus, 
but browner in summer and ears longer. 
Lepus a. virginianus (HARLAN). (Fauna Amer., 1825, p. 196.) Type locality — Blue 
Mountains, near Harrisburg, Pennsylvania. Largest and most richly colored 
of the americanus group; average length, 20 inches or more. 
Lepus uw. pheonotus ALLEN. Type locality — Hallock, Kittson Co., Minnesota. 
Paler and more buffy brown in summer than americanus, but often showing a 
slight tinge of rusty; size about the same. Description and measurements as 
previously given. 
Lepus campestris BacuMan, JACK RABBIT, OR JACKASS RaBBIT, as 
it is popularly known, although not as yet recorded from Illinois or Wis- 
consin, has been taken in the eastern border of Iowa at Muscatine, 
and in extreme southeastern Minnesota near Laneboro. It may be 
recognized by its large size; its very long black-tipped ears; and its 
long, entirely white tail, which has a length of 3.50 or more inches, and 
