53 
Frequency Distribution of Ear Index 
Index 
Male 
Female 
Island 
lake 
Gods 
lake 
Oxford 
House 
Island 
lake 
Gods 
lake 
ldults (agee 
20 TO 59 Yi 
:ars) 
43 
3 
46 
5 
3 
9 
49 
12 
4 
12 
6 
1 
52 
22 
5 
15 
16 
3 
55 
22 
3 
11 
23 
0 
58 
4 
0 
4 
27 
2 
61 
2 
2 
0 
12 
64 
1 
7 
67 
0 
100 
1 
Mean 
53-6 
52-8 
52- 1 
57-9 
54-5 
{T * 
±3-38 
+ 4-42 
+ 4-31 
±5-98 
±0-28 
+ 0‘72 
±0-39 
+ 0-42 
V 
6-30 
8-37 
8-26 
10-32 
N 
67 
17 
55 
92 
6 
ADULTS (aged 60 YEARS AND OVER) 
Mean 
52-1 
50-8 
52-7 
54-7 
49-4 
ij 
±3*41 
±4-04 
Em 
+ 0-64 
±0-73 
V 
6-54 
7-39 
N 
13 
7 
4 
14 
2 
Distribution of Ear Index According to Age 
Male 
Female 
Age 
Island 
Gods 
Oxford 
Island 
Gods 
Oxford 
in years 
lake 
lake 
House 
lake 
lake 
House 
No. 
Mean 
No. 
Mean 
No. 
Mean 
No. 
Mean 
No. 
Mean 
No. 
Mean 
10 
2 
56-8 
1 
61-0 
0 
11 
0 
1 
500 
0 
12 
2 
60-2 
1 
54-1 
0 
13 
7 
60 1 
2 
560 
3 
56-6 
0 
14 
2 
59-5 
3 
52-7 
1 
64-3 
0 
15 
1 
53-3 
2 
47-7 
4 
56-4 
0 
16. 
3 
56-4 
1 
58-1 
3 
55-5 
2 
60-6 
0 
17 
5 
54- 0 
3 
54-5 
4 
60-5 
0 
18 
3 
57-9 
2 
51-6 
3 
55-6 
0 
19 
3 
60-3 
3 
53-6 
7 
60-0 
0 
20-59 
67 
53-6 
17 
52-8 
55 
52-1 
92 
57-9 
6 
54-5 
60+ 
13 
521 
7 
50-8 
4 
52-7 
14 
54-7 
2 
49-4 
