The Beginnings of Life Volume 2

The Beginnings of Life Volume 2

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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. 1872 edition. Excerpt: ...to have taught the doctrine of the continuity of Life on our globe, as opposed to views concerning its de voo origination. But although, apparently, a disbeliever in the doctrine that living things could take origin from not-living materials (Archebiosis), Harvey was a firm believer in Heterpgenesis. On this subject Burdach said1: --' The rallying-cry of the adversaries of spontaneous generation is the following sentence, resting upon classical authority: otmte vivum ex ovo. But they can only quote this sentence in support of their opinion by neglecting the spirit and fixing merely upon the letter of what was said. Valentin has already called attention to the fact that Harvey himself, far from wishing to deny thereby all spontaneous generation, used the word "egg" as a general term to designate a substance capable of germinating--that is to say, for every kind of matter which develops immediately into an organised body--and that, consequently, he extended this denomination even to the substance called " primordial mucus2."' It seems quite certain, from many passages in Harvey's writings, that he was still a believer in Heterogenesis1, though it is somewhat doubtful whether he had rejected the old notions as to the direct origin of the living from the not-living. Although grave doubts may be entertained, therefore, as to the propriety of expressing Harvey's doctrine by the phrase omtte vivum ex ovo, it is not even altogether free from doubt whether the modification suggested by M. Milne-Edwards, omne vivum ex vivo, really embodies the notion taught by Harvey. In illustration of this difficulty, we need only quote the following general statement made by Harvey in summing up his doctrines'J: --'His autem omnibus (sc. animalibus et stirpibus).... sive...show more

Product details

  • Paperback | 150 pages
  • 189 x 246 x 8mm | 281g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236660390
  • 9781236660398