60 
Wisconsin Academy of Sciences , Arts, and Letters. 
Table showing Family Longevity. 
Family. 
Date. 
Un¬ 
der 
10. 
10 to 
20. 
20 to 
30. 
30 to 
40. 
40 to 
50. 
50 to 
60. 
60 to 
70. 
70 to 
80. 
80 to 
90. 
Over 
90. 
Mean. 
A 
1600 
? 
1633 
25 
50 
25 
74 
1667 
38 
4 
4 
6 
7 
9 
16 
9 
7 
40 
1700 
27 
1 
4 
11 
7 
7 
13 
13 
13 
4 
45 
1733 
26 
3 
8 
5 
6 
7 
9 
16 
13 
7 
46 
1767 
19 
4 
7 
5 
6 
8 
12 
18 
16 
5 
51 
1800 
16 
4 
9 
8 
8 
8 
13 
17 
13 
4 
49 
Total.. 
19 
3 
8 
7 
7 
8 
12 
17 
15 
4 
49 
L 
1600 
68 
1833 
16% 
66% 
16% 
62 
1667 
18 
6 
11 
5 
10 
8 
13 
11 
15 
3 
45 
1700 
20 
3 
6 
3 
7 
10 
15 
17 
14 
5 
50 
1731 
20 
5 
7 
7 
9 
8 
13 
13 
13 
5 
48 
1767 
19 
4 
7 
6 
7 
8 
14 
18 
14 
3 
50 
Total . 
19 
4 
7 
6 
7 
9 
14 
17 
14 
3 
49 
D 
1633 
56 
1667 
33% 
16% 
16% 
33% 
69 
1700 
10 
5 
5 
5 
5 
10 
10 
20 
20 
10 
59 
1/33 
16 
4 
10 
7 
10 
7 
14 
15 
12 
5 
47 
1767 
7 
1 
4 
4 
10 
16 
12 
24 
19 
3 
60 
1800 
13 
3 
7 
8 
8 
8 
16 
20 
15 
2 
52 
Total.. 
11 
3 
6 
7 
9 
10 
15 
20 
16 
3 
54 
W 
1600 
34 
1633 
66% 
38% 
71 
1667 
20 
3 
8 
5 
5 
8 
16 
16 
14 
5 
50 
1700 
21 
7 
11 
5 
7 
10 
11 
15 
13 
44 
1733 
21 
4 
9 
5 
7 
6 
10 
20 
13 
2 
45 
1767 
16 
5 
8 
6 
10 
10 
15 
16 
12 
2 
48 
Total.. 
19 
5 
8 
6 
8 
9 
13 
17 
13 
2 
47 
F 
1600 
85 
1633 
33% 
33% 
33% 
52 
1667 
20 
20 
20 
40 
64 
1700 
is 
4 
4 
9 
31 
22 
13 
4 
58 
1733 
17 
3 
11 
8 
8 
5 
14 
6 
14 
14 
51 
1767 
16 
6 
9 
5 
7 
8 
11 
20 
13 
5 
50 
1800 
18 
4 
10 
10 
8 
13 
15 
14 
6 
2 
45 
Total.. 
17 
4 
10 
8 
7 
10 
14 
16 
10 
4 
55 
