







CONTENTS OF THE OCTOBER NUMBER 
Address before the National Conservation Congress. 
President WILLIAM H. TAFT. 
The Paleontologic Record: The Relation of Paleobotany 
to Phylogeny : Professor D. H. PENHALLOW. Palee 
ontology and Isolation: Dr. JoHN M, CLARKE, 
The Role of Hybridization in Plant Breeding. Professor 
E. M. East. 
The Natural History and Physiology of Hibernation, 
Dr, ALLEN CLEGHORN. 
The Home of the Alligator. Professor A. M. REESE. 
The Owen Bill for the Establishment of a Federal De- 
partment of Health and its Opponents, Dr. ADOL- 
PHUS KNOPF. 
The Distinction between the Liberal and the Technical 
in Education, PROFESSOR PERCY HUGHES. 
The Tariff Board : ItsScopeand Limitations. SEYMOUR 
Loomis. 
A Supreme Court of Science. 
ORTON. 
The Moral Equivalent,of War. WILLIAM JAMES, 
The Progress of Science : 
William James; National and International Scien- 
tific Congresses ; Scientific Items. 
Professor J. PEASE 
The Popular Science Monthly 
Entered in the Post Office in Lancaster, Pa., as second-class matter. 
Ga The MONTHLY will be sent to new subscribers for six months for One Dollar. 
CONTENTS OF THE NOVEMBER NUMBER 
Alexander Agassiz. Dr. ALFRED GOLDSBOROUGH 
MAYER. 
Recent Developments in Physical Science. Professor 
ARTHUR L, FOLEY. 
Mathematical Definitions in Text-books and Diction- 
aries. Dr. Jos, V. COLLINS. 
The Much Misunderstood Fur Seals of Bering Sea. 
GEORGE ARCHIBALD CLARK, 
The Pelpontaloe on 
ment, Dr. W. 
‘VAUGHAN. 
Child Study. Professor E. A. KIRKEPATRICK. 
The Relations between Teachers and Their Pupils. Prin- 
cipal H. A, MIERs. 
Professor Norton’s Law of Progress. 
CARVER. 3 
The Progress of Science : The Harper Memorial Library 
at the University of Chicago; An Autograph Letter 
from Mr. Alexander Agassiz; Agricultural Graphics; 
Scientific Items, 
Record: Continuity of Develop- 
D. Matrruew, Dr. T. WAYLAND 
Professor T. N. | 
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