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TABLES.   215

TABLE 19.
OBSERVED AND CALCULATED EYE-COLOURS IN 16 GROUPS OF FAMILIES.

Those families are grouped together in whom the distribution of Light, Hazel, and Dark Eye-colour among the Parents and Grandparents is alike. Each group contains at least Twenty Brothers or Sisters,

 

Eye-colours of the

 

Number of the light eye

coloured children.

Parents.

Grandparents.

Total

child-

ren.

Ob

served.

Calculated.

Light.

Hazel.

Dark.

I.

II.

Ill.

Light.

Hazel.

Dark.

2

...

,..

4

...

...

183

174

161

163

172

2

...

...

3

1

...

53

46

47

44

48

2

 

...

3

 

1

92

88

81

67

79

2

...

 

2

1

1

27

26

24

18

22

 

...

2

2

...

2

22

11

6

12

6

1

1

...

3

1

 

62

52

48

51

51

1

1

...

3

 

1

42

- 30

33

31

32

1

   

2

2

 

31

28

24

24

20

1

1

 

2

 

2

49

35

38

28

34

1

1

 

2

1

1

31

25

24

21

23

1

 

1

3

,.,

1

76

45

44

55

46

1

 

1

2

...

2

66

30

38

38

35

1

 

1

2

...

1

27

15

16

18

16

I

 

1

1

 

3

20

9

12

8

9

1

 

1

1

1

2

22

8

13

11

11

 

1

1

1

1

2

24

9

14

12

10

             

629

623

601

614