... ``wild.''¹

The discussion in the following section is drawn almost entirely from [5], especially the chapter entitled ``The Coming of the Forest.''

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

...fig:foster).²

Petersham is the home of Harvard Forest.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

... peoples.³

The information in this section is drawn almost entirely from Steadman [9].

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

... 30,000ybp,⁴

ybp: years before present

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

... Europeans,⁵

These species are known only from bones.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

...,⁶

Bounded on the north by the Missouri River, on the south by the Yellowstone River, on the east by the confluence of the Missouri and the Yellowstone, and on the west by the Three Forks. This corresponds to most of the present-day state of Montana.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.