ScienceJohn Michels (Journalist) 1939 |
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Page 69
... structure arose in part from the selective nature of the processes of accretion and in part from selective vulcanism , both of which would tend to segregate the denser and more metallic or less silicic substances toward the center , and ...
... structure arose in part from the selective nature of the processes of accretion and in part from selective vulcanism , both of which would tend to segregate the denser and more metallic or less silicic substances toward the center , and ...
Page 127
... structure in all stages . The recent work of Koshy1 is one ex- ample in which this view is maintained . The writer has investigated the structure of the iron bacterium , Leptothrix ochracea . This bacterium . was fixed and treated in ...
... structure in all stages . The recent work of Koshy1 is one ex- ample in which this view is maintained . The writer has investigated the structure of the iron bacterium , Leptothrix ochracea . This bacterium . was fixed and treated in ...
Page 296
... Structure of Economic Plants . By HERMAN E. HAYWARD . x + 674 pp . 340 figs . The Macmillan Company , New York . 1938. $ 4.90 . THIS book , " an outgrowth of courses in plant anat- omy offered at the University of Chicago since 1927 ...
... Structure of Economic Plants . By HERMAN E. HAYWARD . x + 674 pp . 340 figs . The Macmillan Company , New York . 1938. $ 4.90 . THIS book , " an outgrowth of courses in plant anat- omy offered at the University of Chicago since 1927 ...
Contents
Sci 105 | 1 |
Philosophical Society American 382 E G CONKLIN 436 | 9 |
ALEXANDER J Science in the Old South | 12 |
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