- Scientific Explanation.- Impassable Defiles.- Black-Tailed Deer.-The Bighorn or Ahsahta.- Prospect From a Lofty Height.- Plain With Herds of Buffalo.- Distant Peaks of the Rocky Mountains.- Alarms in the Camp.- Tracks of Grizzly Bears.- Dangerous Nature of This Animal.- Adventures of William Cannon and John Day With Grizzly Bears.

The black-tailed deer would bound up the ravines on their approach, and the bighorn would gaze fearlessly down upon them from some impending precipice, or skip playfully from rock to rock.

The bighorn is so named from its horns; which are of a great size, and twisted like those of a ram.

These they supposed to be the Bighorn Mountains, so called from the animal of that name, with which they abound.

Wide prairies Vegetable productions Tabular hills Slabs of sandstone Nebraska or Platte River Scanty fare Buffalo skulls Wagons turned into boats Herds of buffalo Cliffs resembling castles The chimney Scott's Bluffs Story connected with them The bighorn or ahsahta Its nature and habits Difference between that and the "woolly sheep," or goat of the mountains

Amidst this wild and striking scenery, Captain Bonneville, for the first time, beheld flocks of the ahsahta or bighorn, an animal which frequents these cliffs in great numbers.

This animal is by no means so active as the bighorn; it does not bound much, but sits a good deal upon its haunches.

The ahsahta, argali, or bighorn, on the contrary, has short hair like a deer, and resembles it in shape, but has the head and horns of a sheep, and its flesh is said to be delicious mutton.