Page:Stryker's American Register and Magazine, Volume 6, 1851.djvu/405

Rh First months. 1.39 2 to 3 years. 1.22 8 to 12 years. 1.08 25 to 30 years. 1.05 50 to 65 years. 1.30 90 years and upwards. 1.58 1.28 1.13 1.06 1.04 1.22 1.48 1.21 1.30 1.27 1.11 1.11 1.25 1.02 1.27 1.34 1.06 1.02 0.96 0.93 1.12 1.21 1.02 0.93 0.84 0.83 0.94 0.99 1.02 0.85 0.75 0.78 0.82 0.88 0.91 0.77 0.64 0.T9 0.73 0.82 0.96 0.85 0.66 0.86 0.76 0.81 0.95 0.89 0.76 0.91 0.78 0.76 0.93 0.90 0.74 0.93 0.91 0.80 0.97 1.00 1.03 1.07 1.01 0.96 0.97 1.15 1.24 Months. January. February March. April. . May. . June. . July. . August. September October. November December

The preceding table leads to conclusions very wide of popular opinions. For we find that the mortality is greatest in the cold, and least in the warm months, and this holds true of persons of all ages. In cities, there is sometimes a great mortality among children, but this seldom extends to the country; and it arises from the foul air caused by the increased heat and improper habits.

The average duration of life at Rome, among citizens, from the time of Servius Tullius to that of Justinian, was about

Mean duration of the corresponding class in Britain, at the present day, about ....

Mean duration of life at Greneva, from 1560 to 1600 30 y^rs 50 21i 25f 82f 45,^ 1600 to 1700 " " " " 1701 to 1760 " " " in 1833

Registers have been regularly kept at Geneva, since the year 1560, so that the preceding statistics at that city may be relied on for perfect accuracy.

The annual mortality of Paris, in the 14th century, was 1 in l6

of the poorest class in 1840 1 in 24

Russia in 1840 1 in 27

Britain " . . 1 in 43,7

Geneva in 16th century. 1 in 25

18th 1 in 34

1840 1 in 46,92