THE QUADRUMANA, OR MONKEY TRIBE.   Formed like man, and practicing similar gestures, but with thumbs instead of great toes upon their feet, and with so narrow a heel-bone, that even those who constantly walk upright have not the firm and dignified step of human beings; the Quadrumana yet approximate so closely to us, that they demand the first place in a book devoted principally to the intellectual (whether it be reason or instinct)... more...