on Survhorjhtps, 
3 39 
Ten years difference. 
Ages. 
Probabilities. 
87-77 
29.42 
70.58 
88-78 
29 94 
70.06 
89-79 
30.29 
69.71 
90 — 80 
30.22 
69.78 
91 — 81 
28.97 
71.03 
92 — 82 
27.20 
72.80 
93~ 8 3 
24.20 
75.80 
94-84 
20.49 
79 * 5 1 
95-85 
16.06 
8 3'94 
96—80 
XI -7 3 
88.27 
t 
Forty years difference. 
Ages. 
Probabilities. 
41- 1 
43-57 
56.4; 
42 — 2 
33-98 
66.02 
43 - 3 
29.85 
70-15 
44 - 4 
26.88 
73.12 
45 - 5 
25.20 
74.80 
46 — 6 
23-53 
76.47 
47 - 7 
22.30 
77.70 
48-8 
21.40 
78.60 
49 — 9 
20.86 
79 -u 
5°— 10 
20.59 
79 - 4 i 
5 i — 1 1 
20.45 
79-55 
52-12 
20-35 
79.65 
53 — ! 3 
20.26 
79-74 
54-14 
20.18 
79.82 
55 — *5 
20.1 1 
79.89 
5 b ~ l6 
20.05 
79-95 
5 7 “ *7 
19 96 
80.04 
58-18 
19.81 
80.19 
59 1 9 
x 9-59 
80.41 
60—20 
I 9 - 3 1 
80.69 
61—21 
1 8.96 
81 .04 
62 — 22 
18.55 
81.45 
63-23 
18.12 
81.88 
64-24 
17.68 
82.32 
Vol. LXXVII. 
Fifty years difference. 
Ages. 
Probabilities. 
51- 1 
39 -i 6 
60.84 
52— 2 
28.87 
7 i-i 3 
53 “ 3 
24.46 
75-54 
5 4 - 4 
21.28 
78.72 
55 - 5 
19.48 
80.52 
56—6 
1 7.68 
82.32 
57 “ 7 
x6 -35 
8 3 65 
58- 8 
25-35 
84.65 
59 “ 9 
14.74 
85.26 
60—10 
14.42 
85.58 
61 — 1 1 
14.22 
85.78 
62—12 
14 06 
85.94 
63 — 1 3 
J 3 - 9 ° 
86.10 
64- 14 
13.76 
86.24 
65-15 
13.62 
86.38 
66—16 
13-50 
86.50 
67-17 
1 3*35 
86 65 
68- 18 
i 3- x 4 
86-86 
69-19 
12.86 
87.14 
70 — 20 
12.53 
87.47 
71 — 21 
12.1 1 
87.89 
72 — 22 
1 1.65 
88-35 
73-23 
1 1.20 
88.8c 
74-24 
10.75 | 89.25 
Z z 
Sixty years difference. 
Ages. 
Probabilities. 
6 1 — 1 
34-94 
65.06 
62— 2 
24 -I 3 
75-87 
6 3 ~ 3 
19.52 
80.48 
64- 4 
16.19 
83.81 
65- 5 
14.28 
85.72 
66—6 
12.37 
87.63 
67- 7 
10.92 
89.08 
68- 8 
9.82 
90.18 
69- 9 
9.12 
90.88 
70— 10 
8-73 
9 1 *27 
7 1 — 1 1 
8.46 
9 x -54 
72-12 
8.25 
9 x -75 
73 1 3 
8.05 | 91.95 
74 - H 
7.S8 
92.12 
75 — x 5 
7-75 
92.25 
76 — 16 
7.68. 
92.32 
77 — 27 
7-59 
92.41 
78-18 
7 - 43 . 
92-57 
79 - ! 9 
7*29 
92.85 
80-20 
6.QC 
93. 10 
81 — 21 
6.55 
93-45 
82 — 22 
6.16 
93-84 
83- 2 3 
5 - 8 i 
94.19 
84-24 
556 
94-44 
Forty 
