345 
1887.] Mr T. B. Sprague on a Fruitful Marriage . 
Table I. — Men married as Peer or Heir- Apparent. Adjusted 
probability that the Marriage will be childless. 
Age at 
Marriage. 
Number of 
Marriages. 
Of which 
were Childless 
Probability 
that the 
marriage 
will be 
Childless. 
Age at 
Marriage. 
Number of 
Marriages. 
Of which 
were Childless 
Probability 
that the 
marriage 
will be 
Childless. 
Age at 
Marriage. 
Number of 
Marriages. 
Of which 
were Childless. 
Probability 
that the 
marriage 
will be 
Childless. 
19 
1 
•121 
41 
3 
1 
•230 
63 
1 
...1 
•725 
20 
9 
2 
•122 
42 
6 
1 
•245 
64 
1 
4 
*761 
21 
39 
2 
•123 
43 
5 
2 
•260 
65 
5 
2 
•794 
22 
31 
4 
*124 
44 
1 
... 
•275 
66 
2 
1 
•822 
23 
35 
6 
*125 
45 
4 
1 
•291 
67 
1 
•846 
24 
25 
4 
•126 
46 
4 
•307 
68 
... 
•866 
25 
41 
4 
•127 
47 
3 
2 
•323 
69 
1 
1 
•883 
26 
31 
4 
•128 
48 
5 
1 
•339 
70 
1 
1 
•898 
27 
20 
3 
•129 
49 
4 
2 
•355 
71 
1 
1 
•912 
28 
26 
4 
•130 
50 
2 
•372 
72 
1 
1 
•925 
29 
16 
2 
•131 
51 
4 
1 
•389 
73 
1 
1 
•937 
30 
24 
3 
•133 
52 
3 
•407 
74 
1 
1 
•948 
31 
14 
. . • 
•135 
53 
3 
1 
•426 
75 
... 
•958 
32 
15 
2 
•138 
54 
4 
2 
*447 
76 
1 
i 
•967 
33 
12 
•142 
55 
1 
1 
•470 
77 
... 
•975 
34 
17 
3 
•148 
56 
6 
3 
•495 
78 
1 
i 
•982 
35 
9 
1 
•156 
57 
5 
2 
•522 
79 
1 
i 
•988 
36 
10 
2 
•166 
58 
6 
4 
•551 
80 
... 
•993 
37 
12 
3 
•177 
59 
... 
. , . 
•582 
81 
... 
•997 
38 
7 
2 
•189 
60 
9 
6 
•615 
82 
... 
1-000 
39 
7 
2 
•202 
61 
1 
... 
•650 
40 
13 
5 
•216 
62 
3 
3 
•687 
515 
108 
Table J. — Men who did not marry as Peer or Heir -Apparent. 
Adjusted probability that the Marriage will be childless. 
Age at 
Marriage. 
Number of 
Marriages. 
Of which 
were Childless. 
Probability 
that the 
marri'i ge 
will be 
Childless. 
Age at 
Marriage. 
Number of 
Marriages. 
Of which 
were Childless 
Probability 
that the 
marriage 
will be 
Childless. 
Age at 
Marriage. 
Number of 
Marriages. 
j Of which 
were Childless 
Probability 
that the 
marriage 
will be 
Childless. 
16 
1 
•138 
38 
16 
3 
•279 
60 
5 
4 
•852 
17 
• . . 
•139 
39 
10 
4 
•288 
61 
1 
1 
•874 
18 
3 
1 
•140 
40 
11 
4 
•297 
62 
•892 
19 
3 
, , . 
•142 
41 
15 
1 
•307 
63 
1 
1 
•907 
20 
4 
*144 
42 
13 
7 
•317 
64 
1 
1 
•920 
21 
39 
6 
•147 
43 
11 
2 
•327 
65 
1 
1 
•931 
22 
36 
4 
•151 
44 
12 
6 
•337 
66 
1 
1 
•941 
23 
45 
4 
•156 
45 
9 
3 
•347 
67 
1 
1 
*950 
24 
68 
11 
•162 
46 
9 
3 
•358 
68 
•958 
25 
59 
11 
‘•169 
47 
10 
5 
•370 
69 
•965 
26 
64 
11 
•177 
48 
9 
2 
•383 
70 
•971 
27 
82 
19 
’185 
49 
4 
2 
•398 
71 
•976 
28 
75 
13 
•193 
50 
5 
2 
•415 
72 
•980 
29 
53 
13 
•201 
51 
2 
1 
•433 
73 
•984 
30 
52 
8 
•209 
52 
4 
1 
•466 
74 
•987 
31 
46 
12 
•217 
53 
3 
3 
•514 
75 
*990 
32 
50 
7 
•225 
54 
5 
1 
•574 
76 
•993 
33 
42 
12 
•234 
55 
5 
3 
•644 
77 
•995 
34 
28 
6 
•243 
56 
3 
3 
•703 
78 
•997 
35 
28 
6 
•252 
57 
1 
1 
•752 
79 
•999 
36 
30 
13 
•261 
58 
2 
2 
•792 
80 
1-000 
37 
28 
5 
•270 
59 
1 
1 
•825 
1 
1 
11007 
1 
232 
