15 
appear less insulated, and we shall ac- 
knowledge, in this great family of the hu- 
man race, one single organic type, modified 
by circumstances which perhaps will ever 
remain unknown. 
Though the nations of the New Con- 
tinent are connected by intimate ties, they 
• exhibit, in the mobility of their features, in 
their complexions, tanned in a greater or 
less degree, and in their stature, a differ- 
ence as remarkable as the Arabians, the 
Persians, and Sclavonians, who are all of 
the Caucasian race. The hordes who 
wander along the burning plains of the 
equinoctial regions have, however, no 
darker skins than the mountaineers of the 
temperate zone ; whether it be that in the 
human race, and in the greater part of 
\ 
animals, there is a certain period of organic 
life, beyond which the influence of climate 
and food have no etfect, or that the devia- 
tion from the primitive type becomes ap- 
parent only after a long series of ages. 
Besides, every thing concurs to prove, that 
