e circumstance, however, which seems to mark a decided difference between the two animals; the eye of the dog of every country and species has a circular pupil, but the position or form of the pupil is oblique in the wolf. Professor Bell gives an ingenious but not admissible reason for this. He attributes the forward direction of the eyes in the dog to the constant habit, "for many successive generations, of looking towards their master, and obeying his voice:" but no habit of this kind could by possibility produce any such effect. It should also be remembered that, in every part of the globe in which the wolf is found this form of the pupil, and a peculiar setting on of the curve of the tail, and a singularity in the voice, cannot fail of being observed; to which may be added, that the dog exists in every latitude and in every climate, while the habitation of the wolf is confined to certain parts of the globe.
There is also a marked difference in the temper and habits of the two. The dog is, generally spe