PERIOD |TOTAL NUMBER | |CONGENITAL | | |SCARLET FEVER | | | |MENINGITIS | | | | |TYPHOID FEVER | | | | | |MEASLES | | | | | | |WHOOPING COUGH | | | | | | | |GENERAL FEVERS | | | | | | | | |BRAIN FEVER | | | | | | | | | |PNEUMONIA | | | | | | | | | | |DIPHTHERIA | | | | | | | | | | | |CATARRH | | | | | | | | | | | | |UNKNOWN | | | | | | | | | | | | |AND MIS. ---------+----+----+----+-----+---+---+---+---+---+---+---+---+-------- 1855-1870| 245|87.2|13.4| 3.3|1.6|2.0|1.3|6.1|1.3| --| --| --| 33.8 1855-1912|1672|26.9|10.3| 14.9|1.7|2.2|1.7|0.1|7.0|0.3|0.8|1.7| 32.4 IV. CAUSES OF DEAFNESS IN NEW YORK INSTITUTION FROM 1818 TO 1853 AND FROM 1899 TO 1912. PERIOD |TOTAL NUMBER | |CONGENITAL | | |SCARLET FEVER | | | |MENINGITIS | | | | |TYPHOID FEVER | | | | | |MEASLES | | | | | | |WHOOPING COUGH | | | | | | | |GENERAL FEVERS | | | | | | | | |BRAIN FEVER | | | | | | | | | |PNEUMONIA | | | | | | | | | | |DIPHTHERIA | | | | | | | | | | | |CATARRH | | | | | | | | | | | | |UNKNOWN | | | | | | | | | | | | |AND MIS. ---------+----+----+----+------+---+---+---+---+---+---+---+---+-------- 1818-1853|1148|42.9| 7.2|--[39]| --|1.9|0.7|1.6| --| --| --| --| 45.7 1899-1912| --|38.0| 6.8| 13.1|1.3|3.4|0.8|1.3|8.1|0.9|0.9|1.7| 23.7