I, the letter, derivation of, 464, 465.
I (pronoun), 101.
Icelandic language, 203, 212.
Ideas antecedent to their names, 125, 412.
Illyrian language, 191.
Imitation of natural signs, efficient principle in the origin of language, 426-31; not servilely precise, 431-2.
important. 112.
Inaccuracies of speech, their causes and their part in the history of language, 27-31, 36-7.
inapplicabilities, 64.
Incorporative or polysynthetic structure, 348-9, 354, 363.
India, languages of, 224-9, 326-7; occupation of its northern part by Indo-European peoples, 201, 326.
Indian, 130.
Individuals, all changes of language ultimately their work, 35-46, 123-4, 125, 148, 154-5, 404; their diversity causes divergence of dialects, 154-5; differences of their speech within the same community, 16-22, 156-8, 181.
Indo-European family of languages, other names for, 192; how composed, 186-92, 210-29; genetic relationship of its constituents, 193, 197, 378; evidences of their common descent, 193-200; interconnections of its branches, 203-4; place and time of its original speakers unknown, 200-205; their civilization, 205-8; importance of the family to linguistic science, 3, 229-37; age and variety of its dialects, 233-6; earliest history of development, 250-87; historical beginnings, 250-66; root, pronominal and verbal, 258-63; primitive spoken alphabet, 265; growth of forms and parts of speech, 266-77; rate and continuousness of growth, 277-3; synthetic and analytic development, 279-86; characteristic structure of Indo-European language, 292-4, 361-3; question of its ultimate connection with Semitic language, 307, 361, 394; its limits probably mainly coincident with those of a race, 377-9.
Indo-Germanic family—see Indo-European.
Inflectional languages, 358.
Inflective character of Indo-European language, 293, 361; wherein it consists, 293-4, 366 note; Semitic language inflective, 300, 361; value of inflective principle, 362.
Instinct and reason, 439.
intellect, 112.
Intellectual terms derived from physical, 111-13.
Interjectional theory of origin of language, 426-7, 429-30.
Interjections, 276-7.
Internal change in language, 100-121.
Invention of language by men, what is meant by, 443-4.
Ionic dialect of ancient Greek, 221.
Iranian branch of Indo-European language, 192, 222-4.
Irish language, 190, 217, 218.
Iroquois group of American languages, 350.
Irregularities in English declension and conjugation, 78-81.
irrevocability, 254.
is, 63, 115, 179.
island, 468.
isle, 468.
-ism, 140.
Isolating languages—see Monosyllabic.
Italian language, 165, 168, 189, 219.
Italic group of Indo-European languages, 220.
its, 30.
J, the letter, derivation of, 465, 466.
Jagataic Turkish language, 313.
Japanese language, 328-9; modes of writing, 329, 460-61.
Japhetic family—see Indo-European.
K, the letter, derivation of, 465.
Kafir group of South-African languages, 345.
Kalevala, Finnish poem, 314.
Kalmucks, language of, 312.
Kamchatkan language, 329.
Karen language, 336.
Khalkas, language of, 312.
Khitan, Tungusic dynasty, 312.
Khonds, language of, 327.
Kin, Tungusic dynasty, 312.
kind, 108.
kine, 44.
Kirghiz language, 310.
knight, 42.
Kols, language of, 327.
Koran, Mohammedan scripture, 299.
Koriak language, 329.
Kotars, language of, 327.
Kroatian language, 214.
Kurdish language, 192, 224.
Kurilian language, 328, 329.
Kwanto, of Farther India, 336.