Karl Pearson and Adelaide G. Davin 
165 
25"/^ to 33°/„ in woman. Turning back to p. 26 we find that Griiber makes the 
following statements : 
Ages 10 to 83* without regard to sex: 
220 cadavers or 440 limbs, 66 lateral fabellae, i.e. 
Sexed Cases: 
400 male limbs, lateral /aie/^ae in 77 cases, 
100 female limbs, lateral fabellae in 22 cases, 
i.e. Males 19-25 Females 22-0 
Extremities, Age unknown. Both sexes: 
1400 with 235 lateral /afteZ^ae, i.e. 16-8%. 
Without Age, hut sexed : 
Male limbs 294 with 61 lateral /afte^Zae, 
Female limbs 98 with 29 lateral fabellae, 
i.e. Males 20-8 % , Females 29-6 7„ . 
Returning to the 2340 limbs, Gruber tells us, however, that (p. 26) 
940 male limbs gave 165 lateral /a6e?^ae, 
840 female limbs gave 143 lateral fabellae, 
i.e. Males 17-67,, Females 17-0%. 
Finally we read (p. 27) that 
1155 right limbs gave 212 lateral /afte^^ae, 
1185 left limbs gave 188 lateral fabellae, 
i.e. Right Limbs 18-4 7^, Left Limbs 15-8 7^. 
We find it extremely difficult to deduce anything like definite percentages 
from this tangle of figures, and it would seem that this huge mass of material 
has been largely wasted for statistical purposes. We can only suppose that the 
difference of percentages arises from the proportion of young limbs which may be 
included in the different series. 
We may, perhaps, conclude : 
(a) That there is no significant sexual ditference. 
(6) That there may be preponderance of right limbed lateral fabellae. 
(c) That for all ages and sexes the percentage (judged from 2340 limbs) 
is 17-1 7„. 
Why this percentage should run up to 22-0°/. in the case of sexed femoi-a of 
unknown age we are unable to say; or, why it should fall to 15-0 7o iii the case 
of the 220 cadavers, unless the younger ages have been omitted in the previous 
result, we cannot explain. Possibly the latter form an earlier part of the record, 
and that observation became more stringent and accurate as the investigation 
* The maximum frequencies at the decades indicate that these records of age are very rough. 
Biometrika xiii H 
