

Morphology of Gymnosperms 
Joun M. CouLTeR anp CHar.es J. CHAMBERLAIN 

which brought together in organized form the results of research up to that time. 
The book was based partly on original work by the authors and partly on material 
from the reports of other investigators, and it at once took its place as the standard work 
on the su ubject 
e immense increase of knowledge in this field during the last decade has made 
necessary a thorough revision of the book. This is now presented to the scientific world 
cee 1901, Coulter and Chamberlain published their “Morphology of Gymnosperms,” 
groups is presented in detail, and a final chapter discusses the problem of phylogeny and 
points out the evolutionary tendency. The presentation is so systematic that no index is 
necessary. The illustrations are numerous and to a great extent original. The book is 
intended not only for the use of yen omit: but for advanced students in the morphology 
of gymnosperms. 70 pages, 462 tllustrations, 8vo, cloth. Postpaid $4.22 

The University of Chicago Press 
Chicago, Illinois 






The Role of Diffusion and |||] The Mechanistic 
Osmotic Pressure in Plants |!!] Conception of Life 
ON EDWARD LIVINGSTON 
Biological Essays by 

This book would serve as a manual Jacques Loeb 
for both beginning and advanced Head of the Department of Be erimentat Biolocy 
t es 
students, as the first part is a thor- Rockefeller Institute for 
ough and concise treatise on osmotic HE achievements Bi Professor —— 
i imental biolo, 
phenomena in organic life; while fee hate Lat te niet aoe pagel 
the second part is a more discursive insure any book of his a large and interested 
an circle of readers. 
d equally thorough discussion of Tabs atest Wolk, The Mechanistic Concep- 
the present status of knowledge in tion of Life, Professor ware — src 
Tega of the current problems in biology on whi 
. td to the occurrence of these he has been engaged in recent years. 
Phenomena, together with a bibli- may be characterized en og way et 
: a pure 
ography on the subject. a uaaes to analyze tif ife from a purely 
xiv+Is0 pages, 8vo, cloth : 
wet, $1.50; postpaid, $1.60 238 pages, t2mo, cloth Postpaid, $1.65 


The ee of —_ — 
1 
CHICAGO ILLINOIS 






