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Show 1880.] NEW SPECIES OF NEOTRAGUS. 21 the hairs are most distinct; and the predominant grey colour of the rump and of the outer side of the thighs may be regarded as a peculiarity by which this species is distinguished externally from the other two species. Its size is the same as that of N. saltianus. The skin of the knees of the fore legs is bare of hairs and callous, which I have not observed in any of the specimens of the two other species. The cranial characters prove unmistakably the specific distinctness of the Damara-Land specimen. 1. As in N. saltianus, the intermaxillary and lacrymal bones form a suture together. But the lateral branches of the intermaxillary are much narrower than in that species, and altogether of Fig. 7. Fore part of skull of Neotragus damarensis ; side view(reduced). the same shape as in V. kirkii; and the entire prelacrymal part of snout is narrower than in N. saltianus, which is especially striking in the lower view of the snout (figs. 9 and 10). Fig. 8. Fig. 9. Fig. 10. Fig. 8. Upper view of snout of N. damarensis. Fig. 9. Lower view of snout of N. damarensis. Fig. 10. Lower view of snout of N. saltianus. 2. Also with regard to the form and size of the nasal bones the new species is in some measure intermediate between the two other species. The suture, by which the nasals are united with the |