Vol. LXXrV. No. 5. MAY, 1909 



THE 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY J. McKEEJ^ CATTELL 



The Type of tlie Panama Canal. C. E. Gbunsky 417 



Tariff Eevision : 



From the Manufacturer's Standpoint. Db. A. B. Farqtjhar, 



H. E. Miles 442 



From the Importer's Standpoint. Francis E. Hamilton . . . 457 



From the Consumer's Standpoint. Jesse E. Orton 463 



A Permanent Tariff Bureau. Seymour C. Loomis 468 



Josiah Willard Gibbs and his Relation to Modern Science. Dr. Fielding 



H. Garrison 470 



On a Very Prevalent Abuse of Abstraction. Professor William James . 485 



The Closing of a Famous Astronomical Problem. Professor W. W. 



Campbell 494 



The Harpswell Laboratory. Max Morse 505 



The Progress of Science : 



The Eesearch Work of the Carnegie Institution ; Lieutenant 

 Shackleton's Antarctic Expedition ; Two Great Fi'ench I^Natural- 

 ists; Scientific Items - . . . 514 



THE SCIENCE PRESS 



LANCASTER, PA. GARRISON, N. Y. 



NEW YORK : Sub-Station 84 

 Single Numbeb, 30 Cents Yearly Subscription, $3.00 



COPYKIGHT, 1908, BY THE science PRESS 



