COPYRIGHT, 1916, BY 

 ALFRED A. KNOPF 



All rights reserved 



f i 



CORA LENORE WILLIAMS 



Sometime Instructor of Mathematics, 

 University of California. 



Author of 



AS IF: A Philosophical Phantasy 



FOURTH-DIMENSIONAL REACHES OF 

 THE EXPOSITION 



SYLLABUS OF PLANE GEOMETRY 

 INTRODUCTORY TO ABSOLUTE 

 GEOMETRY 



THE PASSING OF EVOLUTION 



PRINTED IN THE UNITED STATES OF AMERICA 



