INDEX. 



315 



Immaterial principles and Mr. Wal- 

 lace, 27 



Immortality, our, knowable without 

 revelation, 24 



Imperfection of our nature necessitates 

 language and ratiocination, 243 



Implication ofexistence in propositions 

 and concepts, 177, 179 



of notions of truth, etc., 45 



Implicit judgments, 175, 217, 242, 



243 



< sign-making, 127 



Importance of term " I " exaggerated, 



205 

 Impossibility of ethical judgments in 



a brute nature, 273 



of imagining origins, 299 



of objective contradictions, 215 



Impulsional acts, 122, 127 



l7t poteniia ad actum et ad esse, 215 



Inadequacy of speech produces 



metaphor, 233 

 Inanimate objects and savages, 211 

 Inarticulate clicks, 247, 287 



irrational sounds, 12c; 



Inclinations to exaggerate, 130, 149 

 Incredibly absurd tale of a codcatoo, 



136 

 Indians and deaf-mutes, 138 

 and gesture-language, 138 



of different tribes, gesture con- 

 versation between, 139 



Indians' pleasure at meeting deaf- 



rautes, 138, 139 

 Indicative gestures of an infant, 220 



7 signs, 173 



Individual percepts, 59 

 Individuation, principle of, 73 

 Infant and primitive man, 264, 265 

 Infant's indicative gestures, 220 

 Infants and animals, asserted parallels 



between, 16 



• and reason, 214, 222 



and savages, their nature judged 



by analogy, 8 

 Inference but a department of reason, 



71 



, organic and true distinguished, 



63 



Inflectional language, 231 

 Inheritance of structure related to 



language, 141, 171 

 Inherited organization and deaf-mutes, 



141, 171 

 Innate faculty of external expression 



of concepts, 232 



intellectualhy of the deaf and 



dumb, 143 



Innate tendency to articulate, 172 

 Inner nature shown by outer acts, 49 

 Inorganic intelligence need not speak 



or reason, 243 

 Insectivorous plants, 22, 49 

 Insects, metamorphoses of, 263 

 Instantaneous actions in nature, 12 

 Instinct, 60, 61, 211, 250 



of language, 161, 163, 232 



Instinctive cries, 283 

 Instincts, human, 20, 25 

 Instruments, musical, illustration 



from, 211 

 , silent, do not sound when col- 

 lected, 211 

 Intellect and expression simultaneous 

 in origin, 236 



and speech generally parallel, 



23a 



apprehends beyond sense, 233 



as present potentially, 214, 222 



, human, its spontaneity, 272 



, its relation to reUgion, 26 



sacrificed to sense, 299 



, sensitivity, vitality, chemistry^ 



and physics, 199 



smuggled in, 291 



Intellectual action, foundation for,. 



laid by sensation, 199 



acts not necessarily reflex, 125 



and sensuouts elements exist sido 



by side in concepts, 271 



and unconscious cognition, 65, 



intuition, 70 



language, 121 



signs, 126, 127 



thimble-rigging, 92 



Intellectuality, innate, of the deaf ami 



dumb, 143 

 Intelligence, nascent, first apprehends 



general characters, 156 



of a higher order than ours 



might dispense with language and 

 reasoning, 243 



of primitive man, 235 



Intelligent conversation between 

 Indians and deaf-mutes, 139 



gestures made by speechless 



children, 138, 204 



Intended expressions must be thought. 



Intention involved in propositions, 



179 

 Intentional putting together not 



needed for mental conception, 68, 



70 



signs, 122, 126 



, what is really such, 122 



