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-inBtrumental Weather Observa- 

 tions. Professor Robert DeC. Ward. 



Narrow Jaws and Small Feet. Dr. Richard Cole 

 Newton. 



Conflict of Administrations. President Frank L. 

 McVey. 



Relations of Japan and the United States. President 

 DaTid Starr Jordan. 



Some Interesting Characteristics of the Modem Eer- 

 lish Language. Professor Alexander Francis 

 Chamberlain. 



Old Academy ol Science, Paris. Dr. Edward F. 

 Williams. 



The History of Gold Mining in the TJnited States. 

 Professor R. A. F. Penrose, Jr. 



Modern Tenement Houses. Jonathan A. Rawaon, 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 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. 



Efl3ciency Wage Standards. 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. 



Florentine Ameghino. Dr. W. D. Matthew. 



The Progress of Science : 



Ten Years of the Cameeie Institution; Lord 

 Lister; Scientific Items. 



CONTENTS OF THE APRIL NUMBER 



On the Need of Administrative Changes in the Amer- 

 ican University. Professor George T. Ladd. 



Science in the Service of Highway Construction. Dr. 

 Clifford Richardson. 



The Brooklyn Botanic Garden. Dr. C. Stuart Gager. 



Alexondervon Humboldt. Dr. Edward F. Williams. 



A Review of Three Famous Attacks upon the Study 

 of Mathematics as 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. 



Ancient Portalsof the Earth. Professor James Perrin 

 Smith. 



Ptomaines and Ptomaine Poisoning. Dr. Edwin 

 LeFevre. 



Science and International Good Will. J. McKeen 

 Cattell. 



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 RobertAndrewMillikan. 



University Education in China. Professor Thomas 

 T. Read. 



Precession : and the Pyramids. Dr. Percival Lowell. 



New York's Ten Thousand. William J. Roe. 



As8ortat:ve Mating in Man. Dr. J. Arthur Harris. 



The Price Fallacy of High Costs. Dr. Ralph H. Heas. 



A Bugbear of Reformers. Professor T. N. Carver. 



Research in Medicine. Professor Richard M. Pearc*. 



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 JUNE NUMBER 



Tropical Sunlight. The Late Dr. Paul 0. Freer. 



The National Parks, from the Scientific and Educa- 

 tional Side. Laurence P. 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. 



Chinese Mathematics. Professor David Eugene 

 Smith. 



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.;tlflc Program of the American 

 Philosophical Society ; The Foreign-born Popu- 

 lation of New York ; Scientific Items. 



Index to Volume LXXX. 



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. 



Are the Jews a "Pure Race"? Dr. Abram Lipsky. 

 Is a Scientific Explanation of Lifes Possible? Professor 

 Otto C, Glaser. 



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. 



SINGLE NUMBERS 30 CENTS 



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