Science, Volume 52Since 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 14
In each group the species most normally formed are the earliest to appear in geological history , while primitive forms often linger with the others to the present time , most of these groups having their origin in ...
In each group the species most normally formed are the earliest to appear in geological history , while primitive forms often linger with the others to the present time , most of these groups having their origin in ...
Page 21
There is sufficient calcium present , for example , for the production of a 100 bushel crop of corn for 90 centuries . There is suffi- cient magnesium for 13 centuries , sufficient potassium for 18 centuries , while there is suffi- ...
There is sufficient calcium present , for example , for the production of a 100 bushel crop of corn for 90 centuries . There is suffi- cient magnesium for 13 centuries , sufficient potassium for 18 centuries , while there is suffi- ...
Page 23
The chemical analysis of the soils of Illinois , carried on with this idea in mind , soon showed a marked variation in the amounts of the vari- ous essential plant foods present in the soil . The brown silt loam of Campaign county ...
The chemical analysis of the soils of Illinois , carried on with this idea in mind , soon showed a marked variation in the amounts of the vari- ous essential plant foods present in the soil . The brown silt loam of Campaign county ...
Page 35
The present volume treats of the origin and evolution of the various phyla ( " Stämme " ) of vertebrates as shown in the paleontologic record . It is concerned almost wholly with extinct forms ; and thanks to this limitation the author ...
The present volume treats of the origin and evolution of the various phyla ( " Stämme " ) of vertebrates as shown in the paleontologic record . It is concerned almost wholly with extinct forms ; and thanks to this limitation the author ...
Page 35
Fibrin needles very dense gel present Opaque clot with 2 c.c. plasma introduced Plasma liquid 4:04 ... Refilled with Refilled plasma plasma 4:06 ... No fibrin nee- Plasma liquid dles 4:08 ... No fibrin nee- Plasma liquid Plasma liquid ...
Fibrin needles very dense gel present Opaque clot with 2 c.c. plasma introduced Plasma liquid 4:04 ... Refilled with Refilled plasma plasma 4:06 ... No fibrin nee- Plasma liquid dles 4:08 ... No fibrin nee- Plasma liquid Plasma liquid ...
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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.