[ 2 + 6 ] 
Halley's Table. 
Years 
Num • 
Numberof 
of 
ber of 
Deaths fr. 
Age 
Lives 
Year to Yr 
73 
I09 
I I 
74 
98 
10 
75 
88 
10 
7 <> 
7 s 
10 
77 
68 
10 
7 S 
*8 
9 
79 
49 
8 
80 
4 i 
- « 
7 
81 
34 
6 
82 
28 
83 
2 3 
5 
2 
84 
20 
Dupre’s, reduc’d. 
Years 
Num- 
Number of 
of 
ber of 
Deaths fr. 
Age 
Lives 
Year to Yr. 
73 
95 
74 
86 
9 
if 
75 
7 1 
7 ^ 
6 5 
7 
77 
78 
49 
9 
3 
14 
79 
46 
80 
3 2 
8i 
29 
3 
5 
82 
2 4 
s? 
20 
4 
84 
17 
3 
Suin total of Dr. Halley’s table , . 34000 
Sum total of M. Dupre’s table reduced . 3391 1 
In the whole matter, all the difference between 
thefe two tables confifts in this, that Dr. Halley’s is 
more perfed:, more compad:, and more conformable 
to thofe obfervations, which condud us all to the 
idea of a progreffion nearly arithmetical, which the 
great number of refearches enables us to unfold by 
little and little, in the reprefentation of the ftrength 
of human life, when that ftrength is become more 
uniform. 
§ 4. If M. de Button will compare the table given 
by himfelf of the probability of the duration of life, 
which is founded upon that of M. Dupre de St. Maur, 
with 
