Science, Volume 52Moses King, 1920 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 67
... Zoospores of Plant Disease Organisms by Natural Enemies : R. B. HARVEY The Journal of Morphology : PROFESSOR W. C. ALLEE Special Articles : - A Simplified Non - absorbing Mounting for Porous Porcelain Atmometers : PROFESSOR BURTON E ...
... Zoospores of Plant Disease Organisms by Natural Enemies : R. B. HARVEY The Journal of Morphology : PROFESSOR W. C. ALLEE Special Articles : - A Simplified Non - absorbing Mounting for Porous Porcelain Atmometers : PROFESSOR BURTON E ...
Page
... zoospores but as animal- The process of change is so rapid it ses one wonder if there is always cleavage the ... zoospores . It would be desirable to determine just how important such animalcules are as natural enemies of those plant ...
... zoospores but as animal- The process of change is so rapid it ses one wonder if there is always cleavage the ... zoospores . It would be desirable to determine just how important such animalcules are as natural enemies of those plant ...
Page 84
... zoospores . One asorian ( Keronia sp . ) was observed to devour a perfect stream of the zoospores of Paysoderma , at the same time increasing in so until it became gorged almost beyond rocognition . In active cultures one may see a ...
... zoospores . One asorian ( Keronia sp . ) was observed to devour a perfect stream of the zoospores of Paysoderma , at the same time increasing in so until it became gorged almost beyond rocognition . In active cultures one may see a ...
Page 84
... ZOOSPORES OF PLANT DISEASE ORGANISMS BY NATURAL ENEMIES IN making some motion - picture photomi- crographs of the liberation of zoospores from the sporangia of Physoderma zeæ maydis ( see Tisdale , Jr. Agr . Res . , Vol . 16 , p . 137 ...
... ZOOSPORES OF PLANT DISEASE ORGANISMS BY NATURAL ENEMIES IN making some motion - picture photomi- crographs of the liberation of zoospores from the sporangia of Physoderma zeæ maydis ( see Tisdale , Jr. Agr . Res . , Vol . 16 , p . 137 ...
Page 225
... in diam- eter from 10 to 40 microns . Zoospores leave the sporangia through short tubes projecting about 2 microns from the hyaline wall , with an opening of about 2 microns in diameter . There SEPTEMBER 3 , 1920 ] 225 SCIENCE.
... in diam- eter from 10 to 40 microns . Zoospores leave the sporangia through short tubes projecting about 2 microns from the hyaline wall , with an opening of about 2 microns in diameter . There SEPTEMBER 3 , 1920 ] 225 SCIENCE.
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Popular passages
Page 160 - Save base authority from others' books. These earthly godfathers of heaven's lights, That give a name to every fixed star, Have no more profit of their shining nights, Than those that walk, and wot not what they are.
Page 32 - The department of medical zoology of the School of Hygiene and Public Health of the Johns Hopkins University...
Page 131 - Council for Professional Development, the recognized accrediting body of the engineering profession, composed of representatives of the American Society of Civil Engineers, the American Institute of Mining and Metallurgical Engineers, the American Society of Mechanical Engineers, the American Institute of Electrical Engineers, the...
Page 53 - Science and the Division of Chemistry and Chemical Technology of the National Research Council.
Page 26 - HERE WAS BURIED THOMAS JEFFERSON AUTHOR OF THE DECLARATION OF AMERICAN INDEPENDENCE, OF THE STATUTE OF VIRGINIA FOR RELIGIOUS FREEDOM, AND FATHER OF THE UNIVERSITY OF VIRGINIA: because by these, as testimonials that I have lived, I wish most to be remembered.
Page 354 - Number 4. North American forest research. Compiled by the Committee on American Forest Research, Society of American Foresters. August, 1920. Pages 146. Price $2.00.
Page 263 - University; and the chairman of the division of medical sciences of the National Research Council, chairman ex officio.
Page 25 - Go, wretch, resign the presidential chair, Disclose thy secret measures, foul or fair. Go, search with curious eye, for horned frogs, Mid the wild wastes of Louisianian bogs; Or, where Ohio rolls his turbid stream, Dig for huge bones, thy glory and thy theme.
Page 131 - Societies has for its object, to quote from its constitution ' to further the public welfare wherever technical knowledge and engineering experience are involved, and to consider and act upon matters of common concern to the engineering and allied technical professions.
Page 30 - Dr. Simon Flexner, director of the laboratories of the Rockefeller Institute for Medical Research.