388 



PHYSIOLOGY 



CHAP. 



(ancient Egyptians, Nubians, Dongolians, Fellah) and were the 

 principal stems in south-east Asia from which the Semitic and 

 Indo-Germanic races were derived. 



Sergi affirms that all living men can be divided into three 

 species, to which we must add two extinct races. There are three 

 clearly distinguishable fades, corresponding to the three living 

 species : the fades africana, which is geographically very wide- 



Fio. 156. Eskimo (Hesperanthropus Columbi esquimensis). (G. Sergi.) 



spread; the fades asiatica, which is rather less so; and the 

 fades americana. Sergi considers that since at the present 

 day these three human types inhabit distinct geographical areas, 

 there being only a small geographical district on the boun- 

 dary between European Asia and Africa where mixed types 

 are found, there is good foundation for the hypothesis that these 

 three types have an autonomous and local origin (polyphiletic 

 origin). 



We refer the reader who is desirous of detailed information to 



