
From the Cambridge University Press 
The Genus Iris 
By WILLIAM RICKATSON DYKES. With 47 colored drawings by F. H. Round, 
one colored plate of seeds by Miss R. M. Cardew, and thirty line drawings by © 
son. Handsomely bound in Roxburgh—dark green leather back and green cloth 
sides—with lettering in gold and gilt top. Demy folio. $38.36 postpaid. 
“Mr. Dykes has succeeded Sir Michael Foster as the chief authority on the 
iris; and, like Foster, he has not been content with a merely botanical knowl- 
edge of it. Besides examining the herbarium collections at Kew, Berlin, 
Vienna, and other places, he has grown in his own garden, and, whenever 
possible, has raised from seed more species, probably, than anyone else in. 
England, and perhaps than anyone else in the world. This book must be the 
basis of all future study of the subject, for it is the result of knowledge both 
practical and theoretical, and in that combination unique. The colored 
drawings by Mr. Round are not merely an ornament to the book. They are 
far more artistic in their simple accuracy than most modern drawings of the 
Same kind. . : ; . The work does credit to the publishers as well as to the 
author and artist.”—Times. 

The University of Chicago Press, Chicago, Illinois 
Agents: 
The Baker & Taylor Co., New York City 


el 
Heredity and Eugenics 
By John M. Coulter, William E. Castle, Edward M. East, 
William L. Tower, and Charles B. Davenport 





S book consists of a series of public lectures delivered at the University of 
Seo The lectures were given partly by members of the University 
oe oo and partly by investigators from other institutions. As all these 
_ hore for work in these fields, the subject is summarized in © 
a . ve Way. The purpose of the volume is to present to the 
intelligent public an account of the more important and interesting oven in 
biology. It is profusely illustrated. 

Beep a Oe ee a 
312 pages, 8vo, cloth Postpaid $2.70 
ea) Peele 
THE UNIVERSITY OF CHICAGO PRESS 
| CHICAGO, ILLINOIS 



