The American Naturalist Volume 38, PT. 1

The American Naturalist Volume 38, PT. 1

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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. 1904 edition. Excerpt: ...Japan, and four species from Australasia. This extension has proved of great value, not only from a palaeontological point of view, but also because of the important bearing such exotic types have had in the solution of questions relating to descent. The methods adopted in these investigations have already been fully explained (38, p. 33 et seq.) and further details at this time are uncalled for. In 1896 the work had reached such a point that it was deemed desirable to make a preliminary statement of results. This appeared in a paper published in the Transactions of the Royal Society of Canada entitled the "Generic Characters of the North American Taxaceae and Coniferae," in which it was shown that generic differentiations were possible. The diagnoses and artificial key to the genera thus published, have been in constant use since that time for the determination of fossil species, with the most gratifying results; and after seven years of severe testing, and in the light of more extended studies, they are found to be substantially correct and reliable. The question of specific differentiation presented a far more difficult problem, the solution of which has now been reached as embodied in the present work. In the prosecution of these studies I have been under deep and often constant obligations to helpful friends working along other lines. To Prof. C. S. Sargent of the Arnold Arboretum, as also to Mr. Morris K. Jesup, President of the American Museum of Natural History; Dr. N. L. Britton, Director of the New York Botanical Gardens; the late Baron Ferd. von Mueller of Melbourne, Australia; Sir W. T. Thistleton-Dyer, Director of the Royal Gardens, Kew; and to Mr. E. J. Maxwell of Montreal I am indebted for much valuable more

Product details

  • Paperback | 156 pages
  • 189 x 246 x 8mm | 290g
  • United States
  • English
  • black & white illustrations
  • 1236988604
  • 9781236988607