Fig. 1. Leather leaf bog invaded by tamaracks, Ontonagon River near Cisco Lake. August 3, 1920.
Fig. 2. Arbor-vitae swamp four miles southeast of Little Girl's Point. The ground is very moist. August 16, 1920.
Northern Michigan Mammals Plate III
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.