“Physiologists have usually represented that our species holds a middle rank, in the masticatory and digestive apparatus, between the flesh-eating and the herbivorous animals; — a statement which seems rather to have been deduced from what we have learned by experience on this subject, than to result fairly from an actual comparison of man and animals. … The teeth of man have not the slightest resemblance to those of the carnivorous animals, except that their enamel is confined to the external surface. He possesses, indeed, teeth called canine, but they do not exceed the level of the others, and are obviously unsuited to the purposes which the corresponding teeth execute in carnivorous animals. … Thus we find that, whether we consider the teeth and jaws, or the immediate instruments of digestion, the human structure closely resembles that of the simiæ; all of which, in their natural state, are completely herbivorous.”

—  Sir William Lawrence, 1st Baronet

Lectures on Comparative Anatomy, Physiology, Zoology, and the Natural History of Man, Eighth Edition (London: John Taylor, 1840), Section I, Chapter VI, pp. 148-150. Full text online at the Internet Archive https://archive.org/stream/lecturesoncompar00lawr#page/n5/mode/2up.

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Sir William Lawrence, 1st Baronet 1
British surgeon 1783–1867

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