162 Dana on the Classification of Animals 
Such species, strong in the hind-limbs, are well named Sthen 
meres (from the Greek oGevos strong and syoos thigh). at 
2.) In the extremities of the limbs——The sthenic distinction 
referred to under this head is the inferior of the two becauseit 
appears only in the extremities of those organs which in their 
geueral relations exhibit the former. The manifestation of it 
confined to the hand and foot. 
As the inner side of the hand or foot is the more central side 
‘in the system and the outer the more circumferential—a fact 
which any one will become aware of on looking at his open 
hand as it lies on a table—the higher species should have the 
rincipal strength in the inner fingers rather than the outer 
he transfer of force from the innermost to the outer, with de- 
scending grade of species, is well exemplified among Herbivores 
and the higher Mammals. 
In Man the inner toe is the stron 
nus (as figured in Blainville’s Osteologie) 4 
U. arctos (ferox) 2, 8, 4,5 are very nearly equal 
4 and 5 are the longest, exceeding 3- | i 
Tapirs, and it is so whether the number of toes be three or four, that 
movement of the legs demanded of a beast of burden,—too little superiority 19 
on ee ae or an ill-adjustment of muscley ma os, ete 
the purpose, e Camel, one of the hypotypic or degradation uminants, 
Tak tase lecinded, ated 6 
