[30] On the possibilities of the prevention of adventitious deafness, see Dr. J. K. Love, "Deaf-Mutism", 1896; Archives of Otology, xxiv., 1895, p. 50; _Journal of American Medical Association_, liii., 1909, p. 89; _New York Medical Journal_, l., 1889, p. 205; lxxxix., 1909, p. 1007; xcv., 1912, p. 1189; _New York State Journal of Medicine_, xii., 1912, p. 690ff.; _Maryland Medical Journal_, lv., 1912, p. 33; _Pediatrics_, xxiv., 1912, p. 335; _Popular Science Monthly_, xlii., 1892, p. 211; "Progress in Amelioration of Certain Forms of Deafness and Impaired Hearing," Proceedings of American Association to Promote the Teaching of Speech to the Deaf, iv., 1894; _Annals_, xxxiv., 1889, p. 199; lvi., 1911, p. 211; lviii., 1913, p. 131; _Volta Review_, xii., 1910, p. 143; xv., 1913, p. 303; New York _Times_, April 6, 1913; Public School Health Bulletin, Eyes and Ears, by Superintendent of Public Instruction of North Carolina, 1910. [31] Census Reports, 1880. Report on Defective, Dependent and Delinquent Classes of the Population of the United States, 1888, p. 402ff.; Census Reports, 1890. Report on Insane, Feeble-minded, Deaf and Dumb and Blind, 1895, pp. 108ff., 648; Special Reports, 1906, p. 122. [32] _Ibid._ [33] Probably with the "fevers" the proportion would be larger. [34] Less than 0.7 per cent. [35] Probably included with certain of the suppurative diseases. [36] Not a large number of schools, it is greatly to be regretted, give, regularly and over an extended period of time, such information in statistical form and upon the same basis from year to year. [37] Total attendance. [38] These tables are based upon statistics given in the reports of the schools, and given in _Annals_, vi., 1854, p. 237; xv., 1870, p. 113; xvii., 1872, p. 167. [39] One case reported.