120 ORGANS OF SUPPORT, &C. 



of this base is encreased by the plantigrade position of the 

 whole foot, the parallelism and magnitude of the inner toe, 

 the advanced position of the astragalus, the extension back- 

 wards of the tuberosity of the calcaneum, the fixed condi- 

 tion of the tarsus, and the strength of the meta-tarsal bones, 

 and the phalanges of the toes. 



