Studies; Reprints Volume 24

Studies; Reprints Volume 24

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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. 1916 edition. Excerpt: not excluded that an evolution of animals as highly specialized as insects might have taken place independently of the existence of green plants. The investigations of W inogradski15 and of Godlewski on nitrite and nitrate bacteria seem to have made it certain that these organisms are capable of forming carbohydrates from carbon dioxide (or possibly other carbon compounds in the air) independently of light; and the same may be true for certain other microorganisms. Microorganisms of this type might, therefore, suffice to furnish the carbo 5Winogradski, S., Handb. d. tech. M'vkol.. I904, iii, 162. See also Beijerinck, M. W., Folio Microbiologica, 1914, iii, gr. hydrates necessary for the development of other microorganisms which require sugars for their growth. Even if we assume that in our experiments yeast cells6 or other microorganisms acted as intermediates in the building up of proteins for the fly (which is quite possible), it is obvious that an evolution of animals as complicated as the banana fly (which usually lives on plant food) might have been possible without the existence of chlorophyll, provided that Win0gradski's conclusions are correct. 6 Guyenot, E. (Compt. rend. Soc. de bi0l., 1913, lxv, pt. i, 178), has shown that yeast can serve as food for Drosophila, and it has been stated that in Germany yeast has become a general food for higher animals. Vol. xxii, No. 3, pp. 269-285. THE ACTION OF ETHYLHYDROCUPREIN (OPTOCHIN) ON TYPE STRAINS OF PNEUMOCOCCI IN ' VITRO AND IN VIVO, AND ON SOME OTHER MICRO-ORGAN ISMS IN VITRO. (From the Laboratories of The Rockefeller Institute for Medical Research.) (Received for publication, May 25, 1915.) In 191 I Morgenroth and Levy (I) introduced the drug more

Product details

  • Paperback | 160 pages
  • 189 x 246 x 9mm | 299g
  • United States
  • English
  • black & white illustrations
  • 1236937120
  • 9781236937124