id author title date pages extension mime words sentences flesch summary cache txt aristotle-on-2836 aristotle-on-2836 .txt text/plain 7931 327 72 For man bends his legs convexly, a bird has his bent concavely; again, man bends his arms and legs in opposite And a viviparous quadruped bends his limbs in opposite directions to a progress, like some footless animals (for example snakes and on the left leg; for the nature of the right is to initiate Animals which, like men and birds, have the superior part the original from which the animal's movements of right and left, birds, both bipeds, bend their legs in opposite directions, and their back legs backwards, and in like manner also birds bend while the point of movement of the leg thrust forward and its lower natural way with his two legs, bends them forward for the reasons movement all its own; it is the only animal that moves not forwards, Birds bend their legs in the same way as quadrupeds. ./cache/aristotle-on-2836.txt ./txt/aristotle-on-2836.txt