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; $1.00, postpaid $i.io. 



Individuality in Organisms. By CHARLES MANNING Child. x+212 

 pages, small lamo, doth; $1.25, postpaid $1.40. 



The Origin of the Earth. By ThoMAS C. Chamberlin. xii+272 pages, 

 small i2mo, cloth; $1 .50, postpaid $1.65. 



Finite Collineation Groups. By HaNS F. BlICHFELDT. xii+194 pages, 

 small i2mo, cloth; $1.50, postpaid $1.60. 



A Chemical Sign of Life. By Shiro Tashiro. X-I-142 pages, small 

 i2mo, cloth; $1 .00, postpaid $1.10. 



The Biology of Twins. By HoRATio Hackett Newman. x+i86 

 pages, small i2mo, cloth; $1.25, postpaid Si. 35. 



Food Poisoning. By Edwin Oakes Jordan. viii+ii6 pages, small 

 i2mo, cloth; $1.00, postpaid $1.10. 



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

 of Its Properties. By Robert Andrews Millikan. xii+268 pages, 

 small i2mo, cloth; $1.50, postpaid $1.65. 



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

 pages, small i2mo, cloth; $1.50, postpaid $1.60. 



Problems of Fertilization. By Frane R. LiLLlE. xii+278 pages, small 

 i2mo, cloth; $1.75, postpaid $1.90. 



VOLUMES PLANNED OR IN PREPARATION 



Black Body Radiation. By CHARLES E. MEN0ENHALL. 

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

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

 Linear Integral Equations in General Analysis. By Ell^KIM HASTINGS 



Moore, 



THE UNIVERSITY OF CHICAGO PRESS 



CHICAGO ..... ILLINOIS 



