502 FRETS, THE INDEX CEPHALICUS. 
1e 











Table 10 b. Headlength, — breadth and is 
E E 
5 Age EL B Ind 5 Age. L. B. Ind, 
Z = 
1G wes em 213.6 10.9 80 298 | 6 m | 14 12.2 | 86.7 
1.5 yr | 16.3 12.9 79.6 | 15 yr | 155 13.3 85.5 
3241 Gm. 154 12.4 80.5 7391 FE 12.8 80 : 
2 yt h- 17 13.1 77.1 2 | 16.9 13.3 78.7 
BAND 16.8 12.8 16.3. 185 NSO EEL 12.9: SOM 
3 17.1 13.1 76.7 3.5 16.5 13.3 80.3 
| 641) 2 W158 12.7 82.9 
| | 4 163 1708 80 
1371-3500 mele? 13.3 82.50.12. 34 ne S 16.5: | 13.3) ee 
4.5 16.6 13.4 80.3 | 4.5 16.8 13.410 
220004 16.7 13.7 82.2 90 | 4 15.3 13.6 | 888 
| 55 16.8 13.8 81.5 5.5 15.4 13.8 88.5 
au 16.6 14 84.2 3441.35 17.9 13.7, es 
6 16.4 14.1 86 6 18 13.0.0078 
21647 17 13.8 81:2 aoa 16.3 13.5 83 
8 17.4 14 80.5 | 8 16.4 13.6 | 8820 
292 | 8 16.9 14.8 87.7 DD AO 18.2 14,5. 7,0200 
8.5 17.1 14.8 86.5 10% 18.2 14.6 80 
339 | 9 gien 14.2 80 731011 18.1 14.3° ee 
10 17.8 14.2 79.5 11.5 18.1 14.2 CONS 
3391) 9 17.2 13.8 80.5 
11 17.4 13.9 79.6 | 
34711 17 14 81.3 311 17.3 144 80.7 
A 172 14 81.2 12 17.3 13.8 79.8 
7a 11 17.6 14.7 83.2 3 | 12 17:3 14.1 Ye 208 
1212 17.7 14.7 828 | 13 113 14.2 81.8 
269 | 12.5, 18.5 13.9 75.2 8117821212 18.2. 71,8 PRONS 
| 14 18.7 14 74.9 14 182"), 1 os 
3 | 14 17.5 13:8 1,786 ‘|| 28520712 178 | 14200 008 
| 15 17.7 13.9 78.6 | 13.5 18.17 | 14 400 
3 | 17 17.4 14.4 82.72 185 1817 18.2.2108 81.3 
18 17.4 14.4 82.7 18 18.3 14.8 80.5 





1) Added afterward (1921). 
