Page:A discourse upon the origin and foundation of the inequality among mankind (IA discourseuponori00rous).pdf/257

 is ueful to Quadrupeds, and that not one of them is found to want it; that the Situation of the Breats of Women, well adapted to Bipeds which hold their Children in their Arms, would be o inconvenient for Quadrupeds, that not one of them has thee Parts placed in that Manner; that, our Legs and Thighs being o exceively long in proportion to the Hands and Arms that when walking on All-fours we are forced to crawl upon our Knees, the whole would have formed an ill-proportioned Animal, and very ill fitted for walking: That if uch an Animal laid his Foot as well as his Hand flat on the Earth, he would have in the Hinder-Leg a Joint les than other Animals, namely, that which unites the Canon with the Tibia, and that in tanding on the Tip of the Foot, as no doubt he mut be obliged to do, the Tarus, not to init on its being compoed of o many Bones, mut have been too large to anwer the End of the Canon: And the Articulations with the Metatarus and Tibia too near each other to afford the Human Leg, in that Situation, the Degree of Flexibility obervable in the Legs of Quadrupeds. The Example of Children being drawn from an Age in which our