“Johanna” her value for scientific use, 190, 192 probable age, 191 size, 191 intellectual plane, 192 “Jokes” 24 ff. his fright, 24 the reconciliation, 26 Journeys in the jungle to the chimpanzee country, 66 a five days’ journey on foot, 148 to the coast, 153 Jungle, the African described, 66-70, 153 daily life in, 73 ff. the quiet hour, 77 a tornado, 79 ff. _Kabinda_ (town), 191 _Kanga ntyigo_ etymology of the name, 272 _Kanjo_, The, 102-104 the drum, 104, 241 Keller, Helen with Nellie, 52-53 _Kisanga_ (valley and river), 212 _Komo_ (river, also name of gunboat), 153, 213, 217 _Kongo_, 272 _Kulu-kamba_ (see also under _Chimpanzee_, and references under _Chimpanzee captives_) its habitat, 87 described and compared with _ntyigo_, 87-91 Moses’ successor, 144 highest type of all apes, 202, 210 name applied to different types, 270 _Lamberene_ (town), 270 Lemur, 2, 224 relative plane, 2, 277 _Loango_ (valley), 192, 211, 267, 269 Longevity of chimpanzee, 98 Lopez, African explorer, 270 Lopez, Cape, 153, 270 _Mafuka_, 269, 274 Maladies of simians pulmonary trouble common, 146 resemble man’s, 186 Malay Peninsula, 276 Mandrill, The, 14 _Mayumba_ (town), 215, 216, 268 _M’Bouve_, 272 “McGinty” his jealousy, 45, 46 Meanings of certain sounds in simian speech (see also under _Monkeys, Speech of_, and _Chimpanzees, Speech of_) sound meaning “food,” 19, 28, 29, 43, 112-113 sound meaning “drink,” 19, 28, 29 sound meaning “warning,” 14, 20, 27, 113 sound meaning “alarm,” 24, 27, 113 sound meaning “friendship,” 113 sound meaning “good,” 160, 181 calling sound, 112-113, 136 Mental power and status of simians (see also under _Ape_, _Chimpanzee_, _Monkey_, _Gorilla_, “_Aaron_,” “_Moses_,” etc.) compared to man, 105 compared to the dog, 116 Menu, My daily, 73, 77, 79, 84 Mesial crest (see _Gorilla, Skeleton of_) “Mickie” the boss of the school, 45-46 his tricks, 46 Middle forest, The, 68 Mirror, Experiments with, 40-41, 161-162 Mode of attack of chimpanzee, 237 of gorilla, 236-237 _Moiro_, 217 Monkey, The (see also _Simians_) human appearance, 1 relative plane, 2, 277 relationship to man, 2, 277 all simians not monkeys, 2-3 described, 3, 224 old world and new world, 3 cranio-facial angles, 9 Cebus species (see _Cebus_) Capuchin species (see _Capuchin_) perception of sound, color, form, dimension, quality, number, music, etc., 30-37 code of ethics, 30 Rhesus species (see _Rhesus_) difference in traits and tastes, 35 express emotion, 50 affection not mere instinct, 58-59 Monkeys, Laughter of, 38, 54-55