THE HUMAN SPECIES. 155 



and tribes above indicated among the unassignable in 

 the family cognations of man, may again appear with 

 more detail, clothed in the form they seem to have 

 passed into, and become known and well-defined 

 races. 



COMPARISON OF PHYSICAL POWERS, AND 

 STRUCTURAL DIFFERENCES OF THE TYPI- 

 CAL STOCKS. 



LET us now proceed to review the structural charac- 

 teristics of man, in their general application to the 

 distinction of species, varieties or stocks. Among these, 

 Camper's observations on the facial angle which distin- 

 guishes the three typical races, taken in a general view, 

 are most important. The human head, seen vertically, 

 or from above, conceals, in the Caucasian form, nearly 

 every part of the facial surface ; whilst the same view 

 of the woolly haired type demonstrates the narrowness 

 and obliquity of the forehead, by exposing the greater 

 part of the face. A smaller obliquity may be observed 

 in the cranium of the Mongolic stock, but differing from 

 both the preceding by the lateral expansion of the 

 cheek bones. Hence the facial angles, taken by draw- 

 ing a line from the opening of the ear to the nostril, 

 bisected by another line dropt from the prominent part 

 of the forehead to the most advanced edge of the upper 

 jaw, taken on the profile view of the head, produces 



