770 



SCIENCE 



[N. S. Vol. XXXIX. No. 1012 



M. Hayes, College of the City of New York; Dr. 

 W. L. Miser, University of Minnesota; Professor 

 Maximilian Philip, College of the City of Nevp 

 York; Mr. S. A. Schwarz, College of the City of 

 New York; Professor A. G. Smith, State Univer- 

 sity of Iowa; Mr. W. A. Wetzel, College of the 

 City of New York. Ten applications for mem- 

 bership in the society were received. 



Professor L. E. Dickson was reelected a mem- 

 ber of the editorial committee of the Transactions 

 for a term of three years. It was decided to hold 

 the annual meeting this year in New York. 



The society has recently published the Madison 

 Colloquium Lectures, by Professors L. E. Dickson 

 and W. F. Osgood, being volume 4 in the Col- 

 loquium Lecture Series. 



The following papers were read at this meeting: 



A. E. Schweitzer: "An extension of functional 

 equations. ' ' 



L. P. Eisenhart: "Transformations of conju- 

 gate systems with equal point invariants. ' ' 



H. H. Mitchell: "The subgroups of the quater- 

 nary abelian linear group. ' ' 



E. D. Beetle : "On the complete independence 

 of Schimmack's postulates for the arithmetic 

 mean. ' ' 



H. S. Vandiver : ' ' Extension of the criteria of 

 Wieferich and MirimanofE in connection with Eer- 

 mat 's last theorem. ' ' 



E. G. Bill: "Note on the curvature of a regu- 

 lar curve in non-euclidean space. ' ' 



S. A. Joffe : ' ' Triangles whose sides are three 

 consecutive integers and whose area is an integer. ' ' 



G. D. Birkhoff: "The restricted problem of 

 three bodies. Second paper. ' ' 



A. B. Coble : ' ' Cremona groups determined by 

 point sets. ' ' 



Anna J. Pell : ' ' Non -homogeneous linear equa- 

 tions in infinitely many unknowns. ' ' 



Louise D. Cummings: "On a method of com- 

 parison for triple systems. ' ' 



C. L. E. Moore: "A geometry whose element of 

 arc is a linear differential form. ' ' 



C. L. E. Moore: "On the centers and radii of 

 curvature of curves traced on a surface in an n- 

 space. ' ' 



J. E. Eowe: "Invariants of the rational plane 

 quintic and of rational curves of odd order." 



J. K. Lamond : ' ' Some applications of a theo- 

 rem of W. H. Young." 



Maxime Bocher : ' ' On a small variation which 

 renders a linear differential system incompatible. ' ' 



E. C. Archibald : ' ' Euclid 's book on division of 

 figures. ' ' 



C. E. Wilder: "On the degree of approxima- 

 tion to discontinuous functions by trigonometric 

 sums. ' ' 



E. J. Miles: " Transversality and orthogonality 

 of space extremals." 



P. E. Eider : ' ' Broken extremals in space. ' ' 



E. L. Moore: "Linear order in terms of point 

 and limit. ' ' 



T. H. Gronwall: "Triply orthogonal systems 

 containing one family of minimal surfaces. ' ' 



The summer meeting of the society will be held 

 at Brown University, on September 8-9. 



F. N. Cole, 

 Secretary 



THE PHILOSOPHICAL SOCIETY OF THE UNIVERSITY OF 

 VIRGINIA 



At the regular monthly meeting of the Scientific 

 Section of the society on February 16 Dr. W. J. 

 Humphreys, Professor of Meterological Physics, 

 U. S. Weather Bureau, delivered an address entitled 

 ' ' Volcanic Dust and other Factors of Climatic Con- 

 trol. ' ' 



On March 23 Professor Graham Edgar presented 

 a .joint paper by himself and Mr. S. H. Diggs en- 

 titled ' ' The Influence of the Concentration of Po- 

 tiissium Iodide on the Eate of Diffusion of Iodine 

 in Potassium Iodide Solution." 



On April 20, 1914, Professor J. S. Grasty pre- 

 sented a paper on ' ' The Shore Lines of the Ore 

 Beds of the Clinton Formation in Alabama." 

 L. G. Hoxton, 



Secretary 



THE AMERICAN PHILOSOPHICAL SOCIETY 



A PAPER read before the American Philosoph- 

 ical Society on April 3, by Ambrose E. Lehman, 

 ' ' Explorations in the Hudson Bay Region, with 

 Reference to Unusual Topographic and Hydro- 

 graphic Features and Mineral Deposits," an- 

 nounces the discovery of rich molybdenite ores, at 

 a point immediately south of the new National 

 Transcontinental Eailway, in the northern section 

 of the Province of Quebec, 440 miles northwest of 

 Quebec, Indian Peninsula, Keewagama Lake. 



Molybdenite crystals and flakes occur in per- 

 sistent quartz veins traversing the granite and peg- 

 matite rocks of the Laurentian formation. 



Exploration and development of the deposits 

 thus far exposes the ore near the surface, in such 

 quantity as to warrant the belief in the magni- 

 tude of the find being greater than any heretofore 

 discovered and developed of this rare metal. 



