Catholic Church, work of, _see_ Church work; Denominational schools. Causes of deafness, _see_ Adventitious deafness; Congenital deafness. Census of deaf, how taken, 5n, 14. Charges to pupils, _see_ Fees; Restrictions. Charities, boards of, 182, 183. _See_ Charity; States, provision in. Charity in connection with schools, 104, 147, 248-261, 322; conclusions respecting, 260; in best sense, 249; in legal sense, 252n; opposition to connection, 256; popular conceptions of charity, 250; regard by states, 248; views of boards of charities, 254; views of deaf, 259; views of instructors, 259. Church work for deaf, 96, 110-113. _See_ Private benefactions. Cities, aid of to schools, 161-163, 301. _See_ Day schools; States, provision in. Clarke School, 281, 306. _See_ Massachusetts. Classes of pupils, _see_ Gradations. Classical allusions to the deaf, 119. Clerc, Laurent, 135. Clothing and transportation provided for pupils, 255, 264, 265, 296, 307. Clubs of deaf, _see_ Societies. Cogswell, Alice, 134. College for the deaf, _see_ Gallaudet College. Colorado, education in, 176, 184, 211, 297, 305. Colonies for the deaf, 89n. Combined method of instruction, 283, 285-287. Communication, methods of among deaf, 11, 12, 277-287. Compulsory education, 272-276, 320. Conference of Principals, 113, 114. Congenital deafness, 41-60; as an increasing or decreasing phenomenon, 57; conclusions respecting, 60-62, 310; consanguineous marriages affecting, 42; deaf parents affecting, 46; deaf relatives affecting, 45; possible action for the prevention of, 52. Congregational Church, work of, _see_ Church work. Congress, action of, _see_ National government. Connecticut, education in, 136, 138, 171, 173, 183, 211, 305. _See_ American School. Consanguineous marriages, 42, 54, 60. _See_ Congenital deafness. Constitutional provisions, 64, 169, 242-247, 321. Control, boards of, 183. Convention of American Instructors of the Deaf, 113, 114. Corporations, _see_ Semi-public schools. Cost of education, 293-298, 322; for maintenance, 295; for new buildings, 294; in day schools, 192; per pupil, 298; to states sending outside, 297. _See_ Property, value of; Semi-public schools. County aid to schools, 162, 265, 296; officers, work of, 166, 275n. Courses of study, 287. Court decisions relating to deaf, 65, 71. _See_ Law, attitude of. Crimes, responsibility of deaf for, 65, 72. Dactylology, _see_ Manual alphabet. Dalgarno, George, 123.