SCIENCE—ADVERTISEMENTS 
The Popular Science Monthly 
CONTENTS OF THE FEBRUARY NUMBER 
The International Hygiene Exhibition at Dresden. 
Dr. Henry G. Beyer. 
The Value of Non- a atmmente! Weather Observa- 
tions. Professor Robert DeC. Ward. 
Narrow Jaws and Small Feet. Dr. Richard Cole 
Newton. E : 
Conflict of Administrations. President Frank L. 
McVey 
Relations vt Japan and the United States. 
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 Loni aes ins aie eluant IMMA on Presidents ; Scientific Items. 
President 
CONTENTS OF THE APRIL NUMBER 
On the Need of Administrative Changes in the Amer- 
jean University, Professor George T. Ladd. 
Science in the Service of Highway Construction. Dr, 
Clifford Richardson. 
The Brooklyn Botanic Garden. Dr. C. Stuart Gager, 
Alexanderyon Humboldt. Dr. Edward F. W illiams, 
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. 
eed. 
Ancient 2 Portalsof the Earth. Professor James Perrin 
Smi 
Ptomaines and Ptomaine Poisoning. Dr. Edwin 
LeFevre. 
Ecience we 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 JUNE NUMBER 
Tropical Sunlight. The Late Dr. Paul C. Freer. 
The National Parks, from the Scientific and Educa- 
tional Side. Laurence F. Schmeckebier. 
Researchin Medicine. Professor Richard M. Pearce. 
Age, Death and Conjugation in the Light of Work on 
eee Lower Organisms. Professor Herbert 8. 
ennings, 
Conservation Ideals in the Improvement of Plants. 
Dr. H. J. Webber. 
A Philosophy of Geography. 
Edward McCourt. 
Chinese ee auCS Professor David Eugene 
Smit 
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 ; TheScie=tific Program of the American 
Philosophical Society ; The Foreign-born Popu- 
lation of New York ; smaasie Items. 
Index to Volume LXXX. 
Professor Walter 
SINGLE NUMBERS 30 CENTS 
CONTENTS OF THE MARCH NUMBER 
Glimpses of the Great American Desert. Professor 
Raymond J. Pool. 
A New Development in the Mississippi Delta. 
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. Prait. 
Florentino Ameghino. Dr. W. D. Matthew. 
The Progress of Science: 
Ten Years of the Carnegie Institution; Lord 
Lister; Scientific Items. 
Pro- 
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, 
CONTENTS OF THE JULY NUMBER 
Research in Medicine, Professor Richard M. Pearce: 
Trinidad and Bermudez Asphalts and Their Use in 
Highway Construction. Clifford Richardson. 
The Role of the House Fly and Certain Other Insects 
in the Spread of Human Diseases. Dr. W. E. 
Britton. 
Holes in the Air. Dr. W. J Humphreys. 
The Physiological Basis of Esthetics. 
Sewall. 
Are the Jewsa ‘Pure Race’? Dr. Abram Lipsky. 
Is a Scientific Explanation of Lifes Possible? Professor 
Otto C. Glaser. 
Some Features of the Root Systems of Desert Plants. 
Dr, W. A. Cannon, 
The Progress of Science: 
The University of Cincinnati and its cooperative 
Engineering Corps; The Activities of the Carnegie 
Foundation for the Advancement of Teaching; 
Scientific Items. 
Dr. Henry 
YEARLY SUBSCRIPTION, $3.00 
THE SCIENCE PRESS 
SUB-STATION 84; NEW YORK 
