Nature Volume 71

Nature Volume 71

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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. 1905 edition. Excerpt: ... the generic title for the typical lizards. Again, from p. 17 he would be led to suppose that Gastropoda is the generic term for snails, and that these rank in classificatory value with the viviparous pond-snail (Paludina vivipara). Careful study of the text may in some cases put matters right, but the muddle is as bad as bad can be for beginners. The address on morphology generally, its modern tendencies and progress, and its relation to other sciences, delivered by Prof. A. Giard before the Congress of Sciences and Art at the St. Louis Exhibition in Septen-.ber last, is published in the Revue Scicntifiquc of February 4 and 11. After referring to the revolution in biology effected, first by Lamarck and subsequently by Darwin, the author proceeds to sketch the gradual evolution of modern biological conceptions and theories, dwelling especially on Wolff's hypothesis of epigenesis. Reference is then made to the importance of the study of variation, both among living and extinct types, after which the author passes on to review the influence that palaeontology has exerted on biology and the doctrine of evolution. Abiogenesis next claims attention, while the author concludes his discourse by reference to some of the evils attendant on the extreme specialisation of scientific work at the present day. It is time, he urges, that a genera! organisation to direct scientific work should replace the present state of anarchy, whereby much energy that is now practically wasted would be diverted towards the attainment of a common end and object. The fifth part of Mr. J. H. Maiden's " Critical Review of the Genus Eucalyptus" includes three species. Eucalyptus stellulata receives its name from the disposition of the buds, and is known as black...
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Product details

  • Paperback | 554 pages
  • 189 x 246 x 28mm | 975g
  • United States
  • English
  • black & white illustrations
  • 1236928792
  • 9781236928795