ANECDOTE OF A BIGHORN 137 ing over the narrow cornice of rock, while his hind- quarters lay towards me. Elated with my success, I was hotly eager to know the size of the head, so, whipping out my tape-measure, and not noticing any- thing else, I stretched over the body, and using both hands, had succeeded in encircling one of the massive horns with the ribbon, when I suddenly felt myself heaved up ; and before I had time to regain a kneeling position the ram was on his legs, flinging me back like a feather. Luckily, he threw me so that I kept my equilibrium. My rifle I had left behind, at the place I had shot from; and my knife I, of course, could not use, owing to the rapidity of the whole thing, and the precarious nature of the ground. The ram stood for half a minute, as if paralysed, and then, with a rapid and very peculiar motion of his body, which I had never noticed before, made off along the ledge, my measuring-tape fluttering in a loose coil round his right horn’ In Mexico the bighorn is hunted with dogs. It is rapidly becoming extinct. Where herds of hundreds were at one time seen, it is now a rare experience to find fifty together. The Kamtschatkan sheep, O. mévécola, is much like the bighorn, but has rounded ears instead of pointed ones, and has no dark stripe down the back. In the Mongolian argali, O. amon, and the Tibetan nyan, O. Hodgsonz, the horns are much more wrinkled on the anterior surface. The wild sheep of the Pamirs, Marco Polo’s sheep, O. Podz, lives in the Asiatic highlands at an average of twelve thousand feet above the sea. Its horns are narrower than those just noticed, and turn more outwards, and they are longer,