Front View of the Skull of the Gorilla 10 A Family of Gorillas 13 Face of the Gorilla 15 Palm of the Foot of Young Gorilla--Back of the Hand of Young Gorilla 16 Side View of the Skull of Gorilla 17 The Teeth of the Gorilla 20 Skeleton of the Gorilla 21 Throat of Gorilla 22 Forest in the Gaboon Country--The Land of the Gorilla 24 Bones of the Fore-arm and Arm of the Gorilla--Side View. Shoulder or Blade-bone 25 Hand-bones of the Gorilla 28 Hunting the Gorilla 32 Bones of the Ankle and Foot of Man--Bones of the Ankle and Foot of Gorilla 33 Young Gorilla and Dog 38 The Nschiego Mbouvé 40 Skeleton of Nschiego 41 Skull of Nschiego 42 The Koolo-Kamba 44 Portrait of a Young Soko 47 A Soko Hunt 48 The Chimpanzee 49 A Village in the Gaboon Country 52 Sick Orang-utan 53 Brain of Chimpanzee 57 Orang-utans _To face page_ 61 Front and Side Face of the Orang 61 The Orang at Bay 64 A Family of Orang-utans 65 The Orang and its Nest 68 A Young Orang 69 The Air Pouches of Orang--The Brain of Orang 71 Wrist-bones of Orang 72 The Siamang 73 Skeleton of the Siamang 76 Group of Siamangs and Gibbons _To face page_ 77 The White-handed Gibbon 77 Skull of Hoolook 79