912

|1887|1889|1891|1893|1895|1897|1899|1901|1903|1905|1907
|1888|1890|1892|1894|1896|1898|1900|1902|1904|1906|1908
+----+----+----+----+----+----+----+----+----+----+----
Total Number | 61| 56| 58| 58| 49| 40| 50| 41| 110| 59| 73
+----+----+----+----+----+----+----+----+----+----+----
Congenital |24.6|14.3|20.7|32.8|46.9|40.6|40.0|31.9|38.2|25.4|30.1
Scarlet Fever | 9.8|21.4| 8.6|10.4|10.2| 5.0| 6.0|12.2| 8.3|11.8| 8.2
Meningitis |16.5|14.5|13.8|10.4|10.2|20.0|14.0|17.1| 7.2|10.2|13.7
Measles | 4.9| 1.9| 5.2|10.4| 4.0| -- | 2.0| 2.4| 7.2| 1.9| 8.2
Catarrh | 3.2| -- | 7.6| 1.9| 2.0| 5.0| 2.0| 9.6| 2.7| 3.8| 4.1
Brain Fever | 6.5| 5.4| 1.9| 1.9| -- | 2.5| -- | 4.8| 2.7| 5.1| 2.8
Typhoid Fever | -- | 1.9| 5.2| -- | 6.0| 2.5| -- | -- | 1.8| 1.9| 4.1
Whooping Cough | 1.6| -- | 1.9| -- | 2.0| -- | 6.0| 2.4| 1.8| 1.9| 2.8
Diphtheria | 1.6| -- | 1.9| -- | -- | -- | 4.0| 2.4| 1.8| -- | 1.4
La grippe | -- | -- | -- | -- | 2.0| -- | 2.0| -- | -- | 1.9| --
Pneumonia | -- | -- | -- | -- | -- | 2.5| 2.0| -- | -- | 1.9| 1.4
Miscellaneous | | | | | | | | | | |
and Unknown |31.3|30.6|33.2|32.2|16.7|22.5|22.0|17.2|28.3|34.2|23.2

1909|1911|
1910|1912|
----+----+
Total Number 71| 73|
----+----+
Congenital 40.9|36.5|
Scarlet Fever 11.3|12.7|
Meningitis 14.1| 9.6|
Measles 2.8| 6.8|
Catarrh 2.8| 1.8|
Brain Fever 1.4| 4.1|
Typhoid Fever 2.8| -- |
Whooping Cough -- | 1.8|
Diphtheria 1.4| 1.8|
La grippe -- | -- |
Pneumonia -- | -- |
Miscellaneous | |
and Unknown 22.5|24.9|

V. CAUSES OF DEAFNESS IN MARYLAND SCHOOL FROM 1884 TO 1911

|1884|1886|1888|1890|1892|1894|1896|1898|1900|1902|1904
|1885|1887|1889|1891|1893|1895|1897|1899|1901|1903|1905
+----+----+----+----+----+----+----+----+----+----+----
Total Number | 28| 27| 25| 25| 29| 30| 30| 39| 29| 30| 28
+----+----+----+----+----+----+----+----+----+----+----
Congenital |46.4|62.9|44.4|36.0|37.9|43.3|43.3|61.5|44.8|43.3|57.1
Meningitis |10.7|11.1| 8.0|12.0|10.3|10.6| 6.7| 2.6|14.0| 3.3| 3.