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Show 1874.] MR. E. WARD ON A NEW SHEEP. 143 3. On a supposed new Species of Wild Sheep from Ladak. By EDWIN W A R D , F.Z.S. [Received January 20, 1874.] The head and horns of the sheep I now exhibit, and for which I propose the name of " Ovis brookei," differs, in the opinion of the late Mr. Blyth, Sir Victor Brooke, myself, and others, from all heads of wild sheep with which it has been compared. It is therefore believed that this head belongs to an undescribed animal, as the following measurements of the skull as well as those of the horns and character of the same may serve to show. Fig. 1. Front view of head of Ovis brookei. The length of the skull of O. brookei from between the horns to end of the prremaxillse is 11 inches, that being an inch and a quarter longer than in the two specimens named O. vignei in the College of Surgeons, and also in that of O. vignei here exhibited for comparison. The width between the eye-orbits measures 4 | in., that of O. vignei 4f in. The horns of this specimen of 0. brookei, although belonging to a young animal (as evinced by the teeth and the four progressive annual stages of the horns), measure 3 3 | in. in length, the circumference at base is 13|; that of O. vignei, eight years old, is 3 1 | in. in length, whilst round the base it is only 10| in., O. brookei being therefore 3 in. the larger in circumference, as also 2 in. longer, although a much younger animal. I find by an examination of the skull and horns of 0. vignei in the Museum of the Royal College of Surgeons as before referred to, which are marked " 3 7 7 8 " and described as "Ladak Argali (0. vignei) |