The Upright Ape: A New Origin of the Species

Chapter 3 of 3, entitled Arm-Swinging Humans and the Evolution of Movement"; Dr. Aaron G. Filler, author of "The Upright Ape: A New Origin of the S...

Chapter 2 of 3, entitled "The Bipedal Siamang Apes: A Baby Ape Learns to Walk"; Dr. Aaron G. Filler, author of "The Upright Ape: A New Origin of th...

Chapter 1 of 3, entitled "Chimps, Gorillas and Orangutans on All Fours"; Dr. Aaron G. Filler, author of "The Upright Ape: A New Origin of the Speci...