INDEX. 



Abstraction. See Ideas 



Addison, Mrs. K., on sign-making by a 



jackdaw, 97 

 Adjectives, appropriately used by parrots, 

 129, 130, 152 ; early use of, by children, 

 219 ; not differentiated in early forms 

 of speech, 295 ei seq. ; origin of Aryan, 

 306, and in language generally, 3S5-86. 

 Adverbs not differentiated in early forms 



of speech, 306 

 African Bushmen. See Hottentots 

 African languages. See Languages 

 Agglomerative. See Languages 

 Agglutinating. See Languages 

 American languages. See Languages 

 Analytic. See Languages 

 Anatomy, evidence of man's descent sup- 

 plied by, 19 

 Animals. See Brutes 

 Animism of primitive man, 275 

 Ants, intelligence of, 52, 53 ; sign-making 



by, 91-95 

 Apes, brain- weight of, 16 ; bodily struc- 

 ture of, 19; counting by, 58, 215; 

 understanding of words by, 125, 126 ; 

 unable to imitate articulate sounds, 

 153-157 ; psychological characters of 

 anthropoid, in relation to the descent of 

 man, 364-370 ; singing, 370, 373-37^ ; 

 other vocal sounds made by, 374 ; erect 

 attitude assumed by, 381, 382 

 Appleyard on language of savages, 349 

 Apposition. Se€ Predication 



Aristotle, on intelligence of brutes, 12, 

 and of man, 20 ; his classification of 

 the animal kingdom, 79 ; his logic based 

 on grammar of the Greek language, 

 314, 320 



Articulation, chap. vii. ; classification of 

 different kinds of, 121 ; meaningless, 

 121, 122; understanding of, 122-129; 

 by dogs, 128 ; use of, with intelligent 

 signification by talking birds, 129-139 ; 

 arbitrary use of, by young children, 

 138-144 ; relation of, to tone and 

 gesture, 145-162 ; importance of sense 

 of sight to development of, 366, 367 ; 

 probable period and mode of genesis of 

 in the race, 370-373 



Aryan languages. See Languages 



Aryan race, civilization of, 272 ; antiquity 

 of, 273 



Audouin on a monkey recognizing pic- 

 torial representations, 188 



Axe, discovery of, by neolithic man, 214 



B 



Barter only used by man, 19 

 Basque language. See Language 

 Bateman, Dr. F., on speech-centre of 



brain, 134, 135 

 Bates, on intelligence of ants, 92, 93 ; 

 on a monkey recognizing pictorial re- 

 presentations, 188, 

 Bats the only mammals capable of flight, 

 156 



