SCIENCE 



A WEEKLY JOURNAL DEVOTED TO THE ADVANCEMENT OF SCIENCE, PUBLISHING THE 



OFFICIAL NOTICES AND PROCEEDINGS OF THE AMERICAN ASSOCIATION 



FOR THE ADVANCEMENT OF SCIENCE 



Friday, September 6, 1907 



CONTENTS 

 The Neto Outlook in Chemistry: Professor 

 Theodore W. Richards 297 



Scientific Books: — 



Chapman on the Warblers of North Amer- 

 ica: Dr. Haret C. Oberholser. Lacroix's 

 Etude mineralogiqtie des produits silicates 

 de Veruption de Y4suve: Dk. Henry S. 

 Washington. Tlie Classified Papers of the 

 Royal Society: Dr. George F. Kunz .... 305 



■Scientific Journals and Articles 309 



Societies and Academies: — 



The North Carolina Academy of Science: 

 Professor F. L. Stevens' 309 



Discussion and Correspondence: — 



Seeing the Lightning Strike: William F. 



RiGGE 312 



Special Articles: — 



The Method of Trial and the Tropism Hy- 

 pothesis : Dr. Harry Beal Toerey 313 



Botanical Notes: — • 



Wood-staitiing Fungi; New Method of 

 Mounting Fungi; Elementary Botany of 

 Floxcering Plants; Forest Trees of New 

 Jersey; The Oenus Crataegus in America; 

 Philippine Botany: Professor Charles E. 

 Bessey 323 



Expeditions of the Berlin Ethnographical Mu- 

 seum 324 



The San Diego Marine Biological Laboratory 325 



Scientific Notes and News 325 



■University and Educational News 327 



MSB. intended for publication and books, etc., intended foi 

 review should be sent to tlie Editor of Science, Garriaon-on- 

 Uudson, N. Y. 



■ THE NEW OUTLOOK IN CHEMISTRY^ 

 Your Excellencies, Ymir Magnificence, 



Ladies and Gentlemen: 



To-day there has come together here, to 

 ■welcome a new guest to your noble univer- 

 sity, a group of chosen spirits from among 

 the best in this highly cultivated center of 

 learning and civilization. I see before me 

 many men whose names will go down to 

 the future as leaders in their respective 

 widely different fields of work, and rejoice 

 to be in their presence. The opportunity 

 of addressing a gathering so notable could 

 not but be esteemed by anyone as an espe- 

 cial privilege and honor; and to me, whose 

 debt to German scholarship is so exceed- 

 ingly great, the occasion brings peculiar 

 pleasure. 



You are here not only to welcome 

 graciously a newcomer, but also to hear 

 the first lecture of a course concerning one 

 of the most recent developments of human 

 learning. As is well known, the logical 

 process of inductive reasoning based upon 

 carefully planned experiment is relatively 

 a new manifestation of the power of the 

 human intellect. The philosophers of old 

 imagined, observed and reasoned, but 

 neglected experimentation; the artisans, 

 who alone came into close contact with 

 realities, were unable except in the crudest 

 fashion to generalize concerning their re- 

 sults. Because of this separation of 

 thought and deed, man's knowledge of his 



^ Inaugural lecture delivered on May 4, 1907, 

 in the Aula of the Royal Friedrieh Wilhelm Uni- 

 versity of Berlin. 



