ee 


















FRETS, THE INDEX CEPHALICUS. 495 
Table 6. Headlength and headbreadth of 935 men 
and 1426 women. 
HEADLENGTH HEADBREADTH - 
$2 Men Women = = Men Women 
¢ a : : \ 
3 a | observed | calcul. | obs. | calc. | & j obs. | calc. obs. | calc. 
162.5 1 1 132.5 2 2 3 
165 3.5 21135 0.5 1 21 12 
167.5 | 11.5 72.1335 3.5 | 42 39 
170 | 1 12 20 || 140 11257122 (NE 83,917496 
172.5 | 2 1 47 48 || 142.5 24.5 291 17451180 
25 1 4 102 96 || 145 46 58 | 251.5 260 
L775) 4 10 144 159 147.5 | 10601508 %10297 518201 
180 27.5 22 243.5] 217 | 150 145.5 138215 263.57 250 
182.5 | 47.5 42 246.5; 245 || 152.5| 151.5) 160 | 179.5; 165 
185 | 68.5 71 212 231 USS mel | 154 68.5 84 
187.5 108.5 103 184 180 || 157.5 | 144 123 29.5 33 
190 130.5 | 129 | 108 | 116 | 160 | 77.5} 81 6.5| 10 
192.5 137.5 140 68 62 || 162.5) 40.5 44 4.5 
195 120.5 132 24 28 165 11725 20 1.5 | 1 
197.5 120.5 108 11 10 || 167.5 6.5 8 0.5 | 
200 68 77 5.5 3 || 170 Satie, 2 
202.5 47 48 1.5 1 17255 1 1 
205 29 26 1 175 
207.5 13 12 
210 4.5 5 
212°5 1.5 2 
215 J 1 
Tab. 6 shows the actual and the normal distribution for class- 
intervals of 2.5 mm From Tab. 7 we see that the mean head- 
length of man is about 1 cm. larger than of woman; for the mean 



Table 7.1) 
ee |e “Number | Length c | Vv | Breadth a a tar 
M 933 193.4 6.58 | 3.4 154 MIS 60 | 3.64 
w 1426 183.6 5.82 | 3.17 148 4.85 | 3.28 
| 

1) With a calculation some stime before of a somewhat smaller material 
weLfound Ls 1934 Ba = 153.9; Ly = 183:7 and By = 148.1 mm: 
