Those of the female are flattened throughout their entire length, are less curved than those of the male, and much smaller, measuring less than a foot along the curve.
A ram and ewe that I obtained near the Modoc lava-beds, to the northeast of Mount Shasta, measured as follows: _Ram.

Ewe._ _ft.in.

ft.

in._ Height at shoulders 3 6 3 0 Girth around shoulders 3 11 3 3-3/4 Length from nose to root of tail 5 10-1/4 4 3-1/2 Length of ears 0 4-3/4 0 5 Length of tail 0 4-1/2 0 4-1/2 Length of horns around curve 2 9 0 11-1/2 Distance across from tip to tip of horns 2 5-1/2 Circumference of horns at base 1 4 0 6 The measurements of a male obtained in the Rocky Mountains by Audubon vary but little as compared with the above.

The weight of his specimen was 344 pounds,[2] which is, perhaps, about an average for full-grown males.