Note 17 — INTRODUCTION.
Reading edition
(17) “It seems a provision of Providence to have formed different races to bring about, by their crossing, an improved state of things. The Teutonic variety is undoubtedly the most vigorous and able, both in body and mind, of all the species of the genus of man that exist, and seems destined to conquer and civilize the world. The Teutonic variety, in its different sub-varieties, agree best with a temperate climate; it is, however, capable of bearing a high degree of cold, but seems to prosper best northward of 45° of northern latitude.