38 
Frequency Distribution of Length of Head (Glabella Ad Maximum) 
Length of head in mm. 
Male 
Female 
Island 
lake 
Gods 
lake 
Oxford 
House 
Island 
lake 
Gods 
lake 
/ 
lDULTS (agee 
20 TO 59 tears) 
174 
3 
177 
1 
4 
180 
1 
1 
8 
1 
183 
4 
1 
0 
13 
7 
186 
1 
1 
0 
22 
4 
189 
7 
3 
12 
24 
8 
192 
15 
4 
11 
9 
5 
195 
13 
2 
14 
9 
2 
198 
8 
1 
6 
8 
201 
7 
5 
3 
204 
6 
5 
207 
3 
3 
210 
2 
Mean 
196-1 
194-9 
195-9 
188-4 
188-7 
<T 
±6-95 
±5-63 
±5-65 
±5-81 
±4-03 
Lm 
±0-57 
±0-92 
±0-51 
±0-39 
±0-52 
V 
3-54 
2-89 
2-88 
3-08 
2-13 
N 
68 
17 
55 
100 
27 
♦ 
ADULTS (aged 60 YEARS AND OVER) 
Mean. 
<r 
196-4 
±6-40 
200-0 
195-5 
190-0 
±10-39 
190-3 
±3-59 
Em 
±1-15 
±1-75 
±0-81 
V 
3-26 
5-47 
1-89 
N 
14 
7 
4 
15 
9 
Distribution of Length of Head 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 
4 
182-0 
1 
186-0 
1 
178-0 
11 
2 
179-0 
1 
175-0 
1 
176-5 
12 
2 
185-0 
1 
181-0 
1 
175-5 
13 
8 
184-0 
2 
189-0 
4 
183-0 
2 
188-0 
14 
6 
186-0 
3 
182-0 
2 
183-0 
3 
186-0 
15 
1 
197-5 
2 
194-0 
4 
186-0 
1 
193-0 
4 
185-5 
16 
4 
187-0 
1 
181-0 
5 
187-0 
3 
184-0 
1 
174-0 
17 
5 
193-0 
3 
181-5 
5 
187-0 
0 
18 
4 
196-0 
2 
188-5 
5 
184-0 
0 
19 
3 
189-5 
3 
195-0 
8 
182-0 
2 
185-0 
20-59 
68 
196-1 
17 
194-9 
55 
195-9 
100 
188-4 
27 
188-7 
60+ 
14 
196-4 
7 
200-0 
4 
195-5 
15 
190-0 
9 
190-3 
