The Animal Kingdom; The Class Mammalia Volume 1

The Animal Kingdom; The Class Mammalia Volume 1

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1827 edition. Excerpt: ...train of moral obligations, and that when contemplated morally, man presents a very different aspect indeed from that in which we view him zoologically. Having thus far, however, briefly and imperfectly considered man in comparison with other organized beings, let us now proceed to compare him with himself, and to advert to some of those differences which exist in the various branches of the great family of mankind. Ethics would be, not improperly, a portion of this division of the history of man, but is usually separated from his mere physical detail. VARIETIES OF THE HUMAN SPECIES., 1. Varieties in Colour. The colouring matter is understood to reside in a membranous network of greater or less density ex tending over the surface of the body, called the rete mucosum. This is situated between the chorion or, true skin and the cuticle. The rete mucosum, or, as it is sometimes called, the'cutaneous reticle, con sists of a fine texture of vessels, containing fluids of different shades in the black and tawny races. It seems, however, doubtful whether any such membrane for the deposition of colouring fluid exists in white men, though the varieties of fair and dark which we observe am'ong them would seem to require some organization of this kind; nor does this theory sufficiently illustrate the occasional instances of pied or spotted men. The human skin exhibits various shades of white, yellow, red, brown, and black. There is every possible intermediate shade between the fairest white and the deepest black, but no one gradation of colour is found in all the individuals of any nation. Generally speaking, however, we may refer all the national varieties of colour to the five following classes: 1. White, accompanied with redness of cheeks. This...show more

Product details

  • Paperback | 110 pages
  • 189 x 246 x 6mm | 213g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236640594
  • 9781236640598