Grandson. Granddaughter. Grandson. 
MATHEMATICAL CONTRIBUTIONS TO THE THEORY OF EVOLUTION. 
143 
Table XIII.—Paternal Grandfather and Grandson. 741 Cases. 
Paternal Grandmother. 
Tint. 
1 . 
2. 
3. 
4. 
5. 
r. 
6. 
7. 
8. 
Totals. 
1 
1 
2 
7 
1 
1 
2 
3 
17 
2 
6 
62 
69 
22 
4 
15 
25 
4 
207 
3 
4 
31 
95 
22 
1 
25 
33 
9 
220 
4 
3 
18 
36 
20 
4 
15 
16 
4 
116 
5 
— 
— 
— 
1 
— 
— 
1 
1 
3 
6 
1 
10 
23 
6 
2 
16 
10 
4 
72 
7 
3 
15 
10 
4 
1 
14 
13 
11 
71 
8 
1 
10 
3 
3 
— 
5 
5 
8 
35 
Totals 
19 
148 
243 
79 
13 
92 
106 
41 
741 
Table XIV.—Paternal Grandmother and Granddaughter. 717 Cases. 
Paternal Grandmother. 
Tint. 
1 . 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
Totals. 
1 
3 
3 
2 
6 
2 
16 
2 
7 
53 
56 
14 
2 
13 
28 
8 
181 
3 
8 
35 
65 
22 
6 
29 
28 
7 
200 
4 
4 
29 
36 
20 
3 
16 
23 
8 
139 
5 
1 
— 
3 
1 
— 
5 
1 
— 
11 
6 
— 
9 
29 
2 
4 
27 
8 
3 
82 
7 
— 
10 
15 
12 
2 
10 
12 
7 
68 
8 
1 
2 
1 
2 
1 
4 
4 
5 
20 
Totals 
21 
141 
208 
75 
18 
104 
110 
40 
717 
Table XV.—Maternal Grandmother and Grandson. 756 Cases 
Maternal Grandmother. 
Tint. 
1 . 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
Totals. 
1 
1 
10 
1 
3 
3 
1 
19 
2 
10 
68 
53 
23 
— 
24 
13 
13 
204 
3 
9 
39 
67 
38 
— 
32 
23 
11 
219 
4 
3 
34 
19 
30 
1 
•— 
19 
8 
4 
117 
9 
0 
6 
_ 
20 
1 
11 
10 
_ 
24 
18 
1 
84 
7 
2 
9 
23 
11 
1 
17 
17 
— 
80 
8 
— 
4 
6 
5 
— 
6 
3 
7 
31 
Totals 
25 
184 
181 
121 
1 
i 122 
85 
37 
756 
