The History of Creation or the Development of the Earth and Its Inhabitants by the Action of Natural Causes; A Popular Exposition of the Doctrine of Evolution in General, and of That of Darwin, Goethe, and Lamarck in Particular. from the

The History of Creation or the Development of the Earth and Its Inhabitants by the Action of Natural Causes; A Popular Exposition of the Doctrine of Evolution in General, and of That of Darwin, Goethe, and Lamarck in Particular. from the

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1892 edition. Excerpt: ...Generations.------Re1apse.--Degenern.cy.--Sexual Transmission.--Seoondary Sexual Characters.--Mixed or Amphigonous Transmission.--Hybrids.--Abridged or Simplified Transmission.--Laws of Progressive Inheritance: Transmission of Acquired Characters.--Adapted or Acquired Transmissiou.--Fixed or Established Transmission.--Homochronous Transmission (Identity in time)--Homotopio Transmission (Identity in place).--Moleoular Theories of Transmission.--Pangenesis (Darwin).--Perigenesis (Haeckel).--Idioplasma (Nageli).--Germ-plasma (Weismann).---Intracellular Pangenesis (Vries). THE proper understanding of the two great organic constructive forces of Inheritance and Adaptation are among the most important advances which, during the last thirty years, our modern theory of development has introduced into the general history of nature. The very complicate interaction of these two forces, together with the ever-varying relations of the struggle for existence, is sufficient for producing the whole variety of forms in the organic world. The earlier school of naturalists, at the LAWS OF TRANSMISSION. 20$ beginning of our century, did, indeed, recognize the immense importance of this interaction, but they were unable to penetrate further into the mysterious character of the two "constructive forces." However, the grand advances in morphology and physiology, in histology and ontogeny, have now furnished us with a far deeper insight into their true nature, and we know them to be genuine physiology functions, i.e. universal vital forces in organisms themselves; and like other vital processes these two fundamental constructive forces proceed primarily from physical and chemical relations. They certainly at times appear extremely complicate, but can...show more

Product details

  • Paperback | 126 pages
  • 189 x 246 x 7mm | 240g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236867491
  • 9781236867490