Fifty Years 
Date. 
1st 
Moutb 
IttS. 
1 
1839 
2.30 
ISW 
2.37 
1841 
2.00 
1842 
1.54 
1843 
1.50 
1841 
2.25 
1845 
2.80 
184(5 
2.45 
( 
1847 
1.00 
) 
1848 
0.92 
1 
18 to 
1.70 
18.50 
2.00 
. 
1851 
1.73 
( 
1852 
3.00 
« 
1853 
2.04 
* 
18.54 
1.50 
( 
1 855 
1.00 
( 
1850 
1.50 
t 
1857 
1.70 
( 
1858 
0.30 
t 
1859 
0.(54 
1 
1800 
2.00 
] 
1801 
0.75 
C 
1802 
1.50 
( 
1803 
1.90 
c 
1804 
0.70 
t 
1 805 
2.5.5 
1800 
2.4(5 
r- 
0 
1807 
2.35 
1 
1808 
1.80 
1 
1809 
1.5G 
1870 
1.07 
C 
1871 
0.80 
2 
1872 
2.13 
1 
1873 
1.(58 
1 
1874 
0.90 
0 
1875 
2.02 
1 
1870 
2.38 
3 
1877 
3.04 
2 
1878 
2.07 
1 
1879 
1.18 
3 
1880 
0.13 
2 
1881 
1..32 
3 
1882 
1.97 
1 
1883 
2.12 
2 
1884 
1.50 
0 
1885 
2.41 
2 
188(5 
2.65 
0 
1887 
1.80 
0 
1888 
1.20 
a 
Average 
1.72 
1 
