The University of Chicago 

 Science Series 



EDITORIAL COMMITTEE 



ELIAKIM HASTINGS MOORE, Chairman 

 JOHN MERLE COULTER ROBERT ANDREWS MILLIKAN 



The Evolution of Sex in Plants. By JOHN MERLE COULTER. X+140 

 pages, i2mo, cloth. 



Individuality in Organisms. By CHARLES MANNING CHILD. X+2I2 

 pages, small i2mo, cloth. 



The Origin of the Earth. By THOMAS C. CHAMBERLIN. xii+272 pages, 

 small 1 2 mo, cloth. 



Finite Collineation Groups. By HANS F. BlicHFELDT. xii+194 pages, 

 small 1 2 mo, cloth. 



A Chemical Sign of Life. By Shiro Tashiro. x+142 pages, small 

 1 2 mo, cloth. 



The Biology of Twins. By Horatio Hackett Newman, x+186 

 pages, small 12 mo, cloth. 



Food Poisoning. By Edwin Oakes Jordan. viii+n6 pages, small 

 i2mo, cloth. 



The Electron: Its Isolation and Measurement, and the Determination of Some 

 of Its Properties. By Robert ANDREWS MlLLIKAN. xii + 268 pages, 

 small 1 2 mo, cloth. 



The Living Cycads. By CHARLES JOSEPH CHAMBERLAIN. xiv+172 

 pages, small i2mo, cloth. 



Problems of Fertilization. By Frank R. LlLLIE. xii+278 pages, small 

 i2mo, cloth. 



The Origin and Development of the Nervous System from a Physiological 

 Viewpoint. By Charles M. Child, x+258 pages, small 121110, 

 cloth. 



VOLUMES PLANNED OR IN PREPARATION 



Mechanics of Delayed Germination in Seeds. By W. CROCKER. 



Black-Body Radiation. By CHARLES E. MENDENHALL. 



The Rigidity of the Earth and of Materials. By A. A. MlCHELSON. 



Linear Integral Equations in General Analysis. By ELIAKIM HASTINGS 

 Moore. 



THE UNIVERSITY OF CHICAGO PRESS 



CHICAGO ..... ILLINOIS 



