In the following paper on the discovery of the remains of both the mammoth and the mastodon around Hudson bay it is proposed to give a short account of the geological surroundings of each of these discoveries, and to refer very briefly to the consequent extension of our knowledge of the geographical range of both species over a vast area, and also to notice some of the questions which they suggest, such as those relating to the climates of the regions in which these animals flourished, the geological dates when they lived in the old and the new worlds, their general geographical distribution, migrations, causes of their extinction, and other matters of geological importance concerning them.
In 1877 I made a geological exploration of the east side of Hudson bay. In the following year a remarkable . . .