SCIENCE— ADVERTISEMENTS 



NEW BOOKS 



TOLMAN 

 Theory of the Relativity of 

 Motion 



225 Pages, Cloth ^1.75; Paper $1.50. 



SLATE 

 The Fundamental Equations 

 of Dynamics 



233 Pages, Cloth ^2.00; Paper ^1.50. 



LEWIS 

 Survey of Symbolic Logic 



407 Pages, Cloth ^3.00; Paper ^2.50. 

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The University of California Press 



Berkeley, California 19 East 47th Street, New York 



GENERAL BOTANY 



By Hiram D. Densmore 

 Professor of Botany, Beloit College 



An introductory textbook for college 

 classes. Distinctive features are: 



The presentation of plant structure 

 from the viewpoint of modern anatomy. 



The direct application of the prin- 

 ciples of physiology and ecology to the 

 life of common plants. 



The treatment of plants throughout 

 the text as dynamic organisms with im- 

 portant relations to man, industries, and 

 environment. 



Laboratory^and Field Exercises for "General Botany" 



(jinn and Company 



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