Natural Science; A Monthly Review of Scientific Progress Volume 4

Natural Science; A Monthly Review of Scientific Progress Volume 4

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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. 1894 edition. Excerpt: ...more specialised." S. S. Buckman. Climatic Conditions And Life. With reference to the remarks made on p. 89, no. 24, of Natural Science (Feb., 1893), regarding a suggestion of mine as to former climatic conditions--I.--May I be permitted to point out that so far as I know there is no limit to the extent of the areas over which these phenomena (fumaroles or hot-springs) might be manifested. A whole continent might, in former times, have been covered with them and the character of its vegetation and animal life determined by them--though it was set itself in a frozen sea. Such an extreme case is, I think, a possibility. In India where we have flows of trap or lava, altogether covering an area of 200,000 square miles, we learn to look at such questions from a somewhat liberal scale of measurement. II.--Chemical deposits are by no means invariably formed by hot springs. And even in those cases where they are formed they are not always of so stable a character as to leave permanent traces. Still it may be the case that beds of limestone occurring in association with such fossils as I have referred to may really have been derived from the calcareous deposits (travertine) of hot springs. III.--It is scarcely needful to add that fossil localities often occupy very narrow and restricted areas. Science and Art Museum, Dublin, V. Ball. February 12, 1894. The Geological Society's Journal. In the "News of Universities," Nat. Sci., vol. iii., p. 470, reference is madeto the printing of the date of issue of scientific publications side by side with the signatures. Allow me to point out that the editor of the Quarterly Journal of the Geological Society has this year initiated an improvement even on this, the date of issue being printed at the top...
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Product details

  • Paperback | 228 pages
  • 189 x 246 x 12mm | 413g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236513401
  • 9781236513403