346 Mr. Bowditch’s Tables, exhibiting the Vumber of 
apply to the numbers in Table II, above 20 years, a correction 
for this increase, the expectation of life will be nearly as follows: 
Ago. Exp. Age. Exp. 
20 36.32 60 15.79 
30 32.20 70 9.52 
40 28.21 80 4.96 
50 21.77 90 2.34 
which numbers agree nearly with the tables by Dr. Wiggles- 
worth. 
Taste L. Containing the Number of White Persons in the United States, 
according to the Census of 1830. 
Under 5  yearsof age . 1,892,298 
Of 5 and under 10 1,534,286 
$ 10 ss fi 15 1,310,751 
gi 15 ys a 20 1,173,327 
~ 20 | ql 30 1,868,564 
ir 30 as ‘ 40 1,148,161 
ty 40 se WW 50 724,795 
Hi: 50 : os 60 453,428 
. 60 ce yy 70 265,776 
i 70 S 80 116,170 
+ 80 Tr eqs 90 33,517 
A 90 se . 100 4,477 
= 100 and upwards 508 
10,526,068 
