The Popular Science Monthly 



Entered in the Pott Office in Lancaster, Pa., as second-class matter. 



CONTENTS OF MAY NUMBER 



The Type of the Panama Canal. C. E. Grunskt. 

 Tariff Be vision: 



From the Manufacturer's Standpoint. A. B. Fab- 

 quhak,1H. E. Miles. 



From the Importer's Standpoint. Francis E. Ham- 

 ilton. 

 From the Consumer's Standpoint Jesse E Orton. 

 A Permanent Tariff Bureau. Seymour E. Looms. 



Josiah Willard Qibbs and his Relation to Modern Science. 

 Dr. Fielding H. Garrison. 



On a Very Prevalent Abuse of Abstraction. Professor 

 William James. 



The Closing of a Famous Astronomical Problem. Pro- 

 fessor W. W. Campbell. 



The Harpswell Laboratory. Max Morsb. 



The Progress of Science : 



The Research Work of the Carnegie Institution j 

 Lieutenant Shackleton's Antarctic Expedition. 

 Two Great French Naturalists | Scientific Items, 



CONTENTS OF JUNE NUMBER 



The Tides and their Causes. Rollln Arthur Harris. 



Facts concerning the Determination and Inheritance of 

 Sex. Professor H. E. Jordan. 



Josiah WillardiGibbs and his relation to Modern Science. 

 Dr. Fielding H. Garrison. 



Suggestions from Two Cases of Cerebral Surgery with- 

 out Anesthetics. Professor George Trumbull 

 Ladd. 



Hysteria as an Asset. Dr. Pearce Bailey. 



Notes on Certain Philosophies of the Day. Professor 

 Alexander F. Chamberlain. 



Formative Djfluences. Professor G. J. Pearce. 



Training College Teachers. Dr. W. B. Pitkin. 



Okefinokee Swamp. Roland M. Harper. 



The Progress of Science : 



Scientific and Educational Meetings; Justus toh 

 Liebig ; Scientific Items. 



L-idex to Volume LXXIV. 



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