NORTHERN MICHIGAN MAMMALS PLATE III

[Illustration: Fig. 1. Dry hardwood on a ridge four miles southeast of

Little Girl's Point. Sugar maple, yellow birch, and linden are

dominant. Undergrowth low. August 16, 1920.]

[Illustration: Fig. 2. Virgin white pine grove, Gogebic County. Trunks

up to four feet in diameter. Little undergrowth. August 17, 1920.]

Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Occasional Papers of the Museum of Zoology, Number 109 · 第 10 / 12 题