SATUBAL HISTORI 



OF 



THE HUMAN SPECIES. 



To investigate the History of Man upon zoological 

 principles, and to apply them to the phases of his 

 earliest available historical aspects, requires extensive 

 researches in a multitude of directions physiological, 

 linguistic, religious, traditional, geographical, and mi- 

 gratorial for it is by their mutual comparison, that 

 light is thrown on many points, which, without these 

 means, would remain entirely unknown. While the 

 first takes cognizance of every question relating to 

 man's organization, and the position he holds in the 

 scale of being, according to the laws which should guide 

 all systematic researches in animated nature, the second 

 being a faculty appertaining solely to mankind, in- 

 quires into the grammatical structure and the sounds 

 of oral communication, and traces out the families of 

 languages, by means of which the more remote origin, 

 connection, and filiation, of different tribes, is made ap- 

 parent ; and it establishes, in proportion as the similarity 



