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Fig. 168.—Yak. Bos grunniens. × 1⁄15.
Fig. 169.—British Wild Ox. Bos taurus. From Vaynol Park, Bangor. × 1⁄20.
The Yak, Bos grunniens, is a long-haired peculiar type, confined to the Thibetan plateau. B. (Anoa) depressicornis of Celebes is characterised by its straight horns; allied to it is B. mindorensis (Philippine Islands), supposed, however, to be a hybrid between
