SCIENCE 



A WEEKLY JOURNAL DEVOTED TO THE ADVANCEMENT OF SCIENCE, PUBLISHING TH6 



OFFICIAL NOTICES AND PROCEEDINGS OF THE AMERICAN ASSOCIATION 



FOR THE ADVANCEMENT OF SCIENCE 



Friday, July 17, 1908 



CONTENTS 

 The American Association for the Advance- 

 ment of Science: — 

 Section D — Mechanical Science and Engi- 

 neering : Pbofessob Wm. T. Magetidee . . 65 



Present Condition of Mathematical Instruc- 

 tion for Engineers in American Colleges: 

 PeOFESSOK EdGAE J. TOWNSEND 69 



International Fisheries Congress 79 



The American Chemical Society 81 



Scientific Notes and News 82 



University and Educational News 85 



Discussion and Correspondence: — 



O'he Mendelian Inheritance of Mutations: 

 O. l!\ Cook. Biotypes of Corn: De. W. J. 

 Sppllman 86 



Quotations : — 

 The College Grindstone 88 



Scientific Books: — ■ 



Young's Text-hook of Physical Chemistry: 

 Pkopessoe Gilbeet N. Lewis. Abbott's 

 Behind the Scenes with the Mediums: J. J. 89 



A Unique Collection of Peridotite : De. Philip 

 F. Schneidee 92 



Special Articles: — 



The Effect of an Angle in a Conductor on 

 Spark Discharge: Peofessob Francis E. 

 NiPHEE. Dinichthys Intermedius Newberry 

 from the Huron Shale: Peofessoe E. B. 

 Beanson 93 



Societies and Academies: — 



The Society for Experimental Biology 

 and Medicine: De. William J. Gies. The 

 Geological Society of Washington: Ralph 

 Arnold. The American Institute of Chem- 

 ical Engineers : David Wilbiie Hoen .... 94 



MSS. intended for publication and books, etc., intended for 

 review should be sent to the Editor of Science, Garrison-on- 

 Hudson, N. Y., or during the present summer to Wood's Hole, 

 Mass. 



TBE AMERICAN ASSOCIATION FOB THE 



ADVANCEMENT OF SCIENCE 



SECTION D—MECHa.NICAL SCIENCE AND 



ENGINEERING 



The meeting of the section for organiza- 

 tion was held in Cobb Hall of the Uni- 

 versity of Chicago on December 30 and 31, 

 1907, and January 1, 1908. The vice- 

 president of the section, Olin H. Landreth, 

 professor of civil engineering, Union Uni- 

 versity, acted as chairman of the section. 

 Dr. George F. Swain, professor of civil 

 engineering, Massachusetts Institute of 

 Technology, was elected councilor. Mr. 

 George W. Bissell, dean of engineering, 

 and professor of mechanical engineering, 

 Michigan Agricultural College, was elected 

 a member of the general committee. Mr. 

 Arthur H. Blanchard, associate professor 

 of civil engineering. Brown University, 

 was elected member of the sectional com- 

 mittee for five years. The secretary was 

 elected press-secretary for the meeting. 



At the meeting of the general committee 

 on January 2, 1908, on the recommendation 

 of the sectional committee. Dr. George F. 

 Swain, professor of civil engineering, 

 Massachusetts Institute of Technology, 

 was elected vice-president and chairman of 

 the section for the ensuing year; and Mr. 

 George "W. Bissell, dean of engineering and 

 professor of mechanical engineering, Mich- 

 igan Agricultural College, was elected sec- 

 retary for the next five years. 



The first paper on the program was one 

 by Arthur H. Blanchard, associate pro- 

 fessor of civil engineering, Brown Univer- 

 sity, and was descriptive of the "Experi- 



