Notes on some Bushman Crania and Bones. 



263 



when the flange may be looked on as a strut thrown out to resist 

 bending, and it is found not only among rickety svibjects in Europe, 

 but constantly among the ill-fed peoples of Central Australia. On 

 the other hand, it may occur without evidence of rickets, and 

 Manouvrier attempts to associate it with a mountainous habitat and 

 to explain its occurrence as due to the over-action of the tibialis 

 posticus muscle. The condition appears in late adolescence chiefly 

 in the male sex, and among any population both platycnemic and 

 ordinary tibiae may be found. It appears to have no racial 

 significance. 



The average index for the Bushmen is 68"7. 



Contrast : — 



Modern French, 88-2 Manouvrier, 



Negroes (85-0) „ 



Guanches of Grand Canary (66) ... Topinard. 



The Bushmen thus present in a marked degree platymeric and 

 pilastered femora and platycnemic tibia. 



L. 

 326 



27 

 18 

 66-7 



