INDEX 



" Aaron " 



his intelligent expression, 144, 



146, 147 

 his capture, 145 

 on the journey, 147, 148 

 his tricks, 148 

 " one aversion, 148, 149 

 " sympathy for Moses, 149-152 

 realization of death, 151, 152 

 loses his mate, 170 

 his illness and death, 172-174 

 " Aaron " with " Elisheba " 

 acts as a protector, 1 56 

 his reliance on human aid, 1 57, 



158-159 

 driving the cow, 158, 159 

 we start for Liverpool, 1 59 

 the bogie on the steamer, 1 59 

 solicitude of the apes, 159-160 

 their ingenuity, 161 

 the ape in the mirror, 161-162 

 Aaron's jealousy, 162-165 

 the rivals, 163-165 

 arrival at Liverpool, 167, 168 

 Elisheba's illness, 168 

 Aaron again becomes nurse, 170 



Abstract ideas in simians, Lack of, 

 20, 36 



Affection in animals not mere in- 

 stinct, 58-59, 173 



Age of maturity in apes, 98, 191, 192 



Amusement (of captives) 



captives should have, 55-56, 



283 

 means of, 20-21, 33, 35, 54-56 

 Angola, 268 



Anthropoid or manlike apes (see 

 also Chimpanzee, Gorilla, 

 Gibbon, Orang, and references 

 under Chimpanzee captives) 

 the group, 3 



superior intelligence, 35, 60 

 Apes (see also Simians and refer- 

 ences under Anthropoid apes) 

 resemblance to man, 2 

 described, 3, 92-98, 223 ff. 

 anthropoid or manlike group, 3 

 skeleton a duplicate of man's, 



4, 7 

 superior intelligence of anthro- 

 poid, 35, 60 

 travelers' stories untrue, 71-72, 



235-236, 266 ff. 

 do not act in concert, 268 

 Approval, Apes' love of, 197, 203 

 Arboreal habit, The, 96-97, 224-225, 

 245 



Baboon, The, 3, 14, 15, 196-197,224, 

 266, 277 

 relative plane, 3, 277 



287 



