SCIENCE—ADVERTISEMENTS 
| The Popular Science Monthly 
CONTENTS OF THE JANUARY NUMBER 
SEG ee TE Conception of Life. Dr. Jacques 
oeb. 
Science among the Chinese. Dr. C. K Edmunds. 
Notes on Norwegian Industry. Professor Jas. Lewis 
Howe. 
The Duties to the Public of Research Institutes in 
Pure Science. Professor William E. Ritter. 
Small Colleges. Professor John J. Stevenson. 
The Problem of City Milk Supplies. Dr. P.G. Heine- 
man, 
Collecting on a Coral Reef. Professor Vernon L. 
ellogg. 
The Origin and Control of Mental Defectiveness. 
Dr. Chas B. Davenport. 
The Paris Academy of Sciences. Dr. Edward F. 
Williams. 
The Progress of Science’ 
The Convocation Week Meetings of Scientific 
Societies ; The United States National Museum ; 
Joseph Dalton Hooker; Scientific Items. 
CONTENTS OF THE MARCH NUMBER 
Glimpses of the Great American Desert. Professor 
Raymond J. Pool. 
A New Development in the Mississippi Delta. Pro- 
fessor E. W Hilgard. 
The Imperial Universities of Japan. H. Foster Bain. 
Efficiency WageStandards. Professor Scott Nearing. 
The Instinctive Element in Human Society. Pro- 
fessor Charles A. Ellwood. 
Types of Men. Professor S. N. Patten. 
Time and Space. Dr. Charles W. Super. 
Professional Training for Child Hygiene. Professor 
Lewis M. Terman. 
The Four Periods in the Development of the Modern 
Zoological System. Professor H. S. Pratt. 
Florentino Ameghino. Dr. W. D. Matthew. 
The Progress of Science: 
Ten Years of the Carnegie Institution; Lord 
Lister; Scientific Items. 
CONTENTS OF THE FEBRUARY NUMBER 
The International Hygiene Exhibition at Dresden, 
Dr. Henry G. Beyer. 
The Value of Non-instrumental Weather Observa- 
tions. Professor Robert DeC. Ward. 
Narrow Jaws and Small Feet. Dr. Richard Cole 
Newton. 
Conve of Administrations. President Frank L. 
cVey. 
Relations of Japan and the United States. President 
David Starr Jordan. 
Some Interesting Characteristics of the Modern Eng- 
lish Language, Professor Alexander Francis 
Chamberlain. 
Old_ Academy of Science, Paris. Dr. Edward F. 
Williams. 
The History of Gold Mining in the United States. 
Professor R. A. F. Penrose, Jr. 
Modern Tenement Houses. _ Jonathan A. Rawson, Jr. 
History of Gymnosperms. Professor John M. Coulter. 
The Progress of Science: 
The Washington Meeting of the American Associa- 
tion ; New College Presidents ; Scientific Items. 
CONTENTS OF THE APRIL NUMBER 
On the Need of Administrative Changes in the Amer- 
_iean University. Professor George T. Ladd. 
Science in the Service of Highway Construction. Dr. 
Clifford Richardson. 
The Brooklyn Botanic Garden. Dr. C. Stuart Gager. 
Alexandervon Humboldt. Dr. Edward F. Williams. 
A Review of Three Famous Attacks upon the Study 
of Mathematicsas a Training of the Mind. Pro- 
fessor Florian Cajori. 
The Red Sunflower. Professor T. D. A. Cockerell, 
The Medical Side of Immigration. Dr. Alfred G. 
Reed. 
qucleny Porealecs the Earth. Professor James Perrin 
mith. 
Ptomaines and Ptomaine Poisoning. Dr. Edwin 
LeFevre. 
Berenice and International Good Will. J. McKeen 
attell. 
The Progress of Science: 
The Rockefeller Institute for Medical Research ; 
Exploration and Adventure in the Antarctic; 
Scientific Items. 
CONTENTS OF THE MAY NUMBER 
The Kinetic Theory of Matter and the Atomic Theory 
of Electricity. Professor Robert Andrew Millikan. 
University Education in China, Professor Thomas 
T. Read. 
Precession : and the Pyramids. Dr. Percival Lowell. 
New York's Ten Thousand. William J. Roe. 
Assortat ve Mating in Man. Dr. J. Arthur Harris. 
The Price Fallacy of High Costs. Dr. Ralph H. Hess. 
A Bugbear of Reformers. Professor T. N. Carver. 
Research in Medicine. Professor Richard M. Pearce. 
The Progress of Science: 
The Centenary of the Academy of Natural 
Sciences of Philadelphia; Deaths among Ameri- 
can Men of Science ; Scientific Items. 
SINGLE NUMBERS 30 CENTS 
CONTENTS OF THE JUNE NUMBER 
Tropical Sunlight. The Late Dr. Paul C. Freer. 
The National Parks, from the Scientifie and Educa- 
tional Side. Laurence F. Schmeckebier. 
Research in Medicine. Professor Richard M. Pearce. 
Age, Death and Conjugation in the Light of Work on 
the Lower Organisms. Professor Herbert S. 
Jennings. : 
Conservation Ideals in the Improvement of Plants. 
Dr. H. J. Webber. 
A Philosophy of Geography. Professor Walter 
Edward McCourt. R 
Chinese y Mathemeic Professor David Eugene 
mith, 
The Practical Basis for Republican Institutions for 
China. Gustavus Ohlinger. 
A Program of Radical Democracy. J. McKeen 
Cattell. 
The Progress of Science: 
Crawford W. Long and the Use of Anesthetics in 
Surgery ; The Scie.tific Program of the American 
Philosophical Society; The Foreign-born Popu- 
lation of New York ; Scientific Items. 
Index to Volume LX XX. 
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