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Show 1885.] ROCKY-MOUNTAIN BIGHORN. 681 Length of horn, measured round fronto-nuchal curve Length of face from supra-occipital edge to end of prtemaxillaries BIGHORN. Southern Race. Stuffed heads killed in Wyoming, about 44° 30' N. latin. 40-65 16 12 8 11 yrs. in. 33-25 16 12 7-5 11 yrs. steological Brit. Mus. inkuown. U * ^ •~Z S d in. 38-25 1625 11-75 7"25 8 yrs. BIGHORN. Northern Race. si rt -*H U 0 '3 ro .t *> E-'s! 13 pecimen . Mus. Richardson, it lat. 62°. » l«*i _0Q « « .-£ ^ 5 r^ • ns -fc= rrl "H **-._D Eta S oj 0 3WS*S m.s in. 32-2 11*8 10-5 7 8 yrs. 33 3 « "Cn3 s figur kill in. 321 13 10-6 7 7 or 8 yrs. The American Bighorns have a wide range. They are found along the whole course of the Rocky Mountains, both on their eastern and western slopes, as far south as Sonora and New Mexico, about lat. 31° (Schott), and extending to the furthest northern point of suitable ground to lat. 68° (Audubon). They are also found in the lesser mountain-chains extending from British Columbia to California along the eastern Pacific Coast (Baird), and in Alaska (Dull). It will not therefore be strange if more than one species should be proved to exist. Further evidence is needed to show where the northern race or species has its southernmost limit, and to which the original specific name canadensis was applied. Specimens from the Yellowstone River have somewhat less massive horns than those from Wyoming and Colorado, but in other respects belong to the southern race. Baird also figures the horns of a specimen from California, on the 35th parallel of latitude, which measure only thirteen inches in circumference at the base, and apparently approximate in character to those of the northern race. As some confusion exists as to the names already applied to the Bighorn, it may be useful to give an account of the most important references to it. The earliest notice is to be found in the account of California by Father Picolo, one of the first Catholic missionaries who visited that country in 1697 (Abridg. Phil. Trans. London, vol. v. p. 459). He describes it as a sort of Deer. " It is as large as a calf of one or two years old ; its head is much like that of a Stag ; its horns, which are very large, like those of a R a m ; its tail |