OF BOTH PARENTS UPWARDS. 70 CASES. (279) 87 
TABLE Ila. 










Lowest and 
N. highest index Ages of sons 
Daugthers. of other | of the children - 
tables. Mean index and if daugthers. 
1 | 2 | 3 | 4 | 5 | 6 7 of the parents. 
Leed | 
B 63, 62. 
60. 
ee 
77, 64. 
20% 
172917 16.7 38, 26. 
14.7| 14.6) 14.3 AIS RO SE 
81.8| 86.3] 85.8 
17.5 À 
14,7 SIMS 
84 
18 Wet 44. 
14.8] 14.7 SOMS ZS DE 
82.2] 79.9 ; 
18.4 30. 
14.5 36, 20. 
78.5 
3L; i 
Dik 
D 2022 
26. 
D 12, 4 



