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"The greatest absolute length of the fore—limb occurs in the gorilla and the orangutan. The humerus never has a perforation on the inner side of its lower extremity. Except in the man—like apes, the ulna articulates with the wrist (carpus). The hand is capable of pronation and supination on the fore—arm; and except in man, the chimpanzee and the gorilla there is a centrale in the carpus." —Encyclopaedia Britannica, 1910

Front View of Gorilla Skeleton

"The greatest absolute length of the fore—limb occurs in the gorilla and the orangutan. The humerus…