752 



SCIENCE 



[N. S. Vol. XXVI. No. 674 



certain parts of the body and eliminating 

 them from others. As the pigmentation 

 changes in extent, under the iniluenee of selec- 

 tion, the various areas typically pigmented are 

 affected in the following order: Shoulder, side, 

 rump and head, the change being greatest in 

 the first named, and least in the last named 

 area, irrespective of what particular spots were 

 present in the selected ancestors." 



T. H. MOEGAN 



8CIENTIFIG JOURNALS AND ARTICLES 

 Terrestrial Magnetism and Atmospheric 

 Electricity for September contains the por- 

 trait of Wilhelm Eduard Weber and the fol- 

 lowing articles : " Atmospheric Electricity Ob- 

 servations at Battle Harbor, Labrador, during 

 the Solar Eclipse of August 30, 1905," by 

 J. E. Burbank; " Scientific Eesults of the 

 Ziegler Polar Expedition of 1903-5," by J. A. 

 Fleming; "Biographical Sketch of Wilhelm 

 Eduard Weber," by N. E. Dorsey; Letters 

 to Editors : " Atmospheric Electricity Work, 

 Yacht Galilee, Sitka to Honolulu, August, 

 190Y," by P. H. Dike; "Principal Magnetic 

 Storms recorded at the Cheltenham Magnetic 

 Observatory, April 1 to June 30, 1907," by 0. 

 H. Tittmann ; Notes : " International Associa- 

 tion of Academies, Vienna, 1907," " Magnetic 

 Survey of New Zealand Islands." 



SOCIETIES AND ACADEMIES 



THE NATIONAL ACADEMY OF SCIENCES 



The National Academy of Sciences met at 

 Columbia University on November 19 and 20. 

 The following members were present: Messrs. 

 Allen, Billings, Boaz, Brewer, Brooks, Brush, 

 Cattell, Chandler (C. F.), Chittenden, Dana, 

 Davis, Dutton, Elkin, Emmons, Gooch, 

 Hague, Hastings, Hill, Minot, Morse, New- 

 comb, Nichols, Noyes, Osborn, Pickering, 

 Pupin, Eemsen, Thomson, Verrill, Walcott, 

 Webster, Welch, Wells, Wilson, Woodward. 



The program of scientific papers was as 

 follows : 



"A New Application of Dynamics to Electrical 

 Circuits," by M. I. Pupin. 



" The Selective Reflection Characteristic of Car- 

 bonates; Wave-length of Displacement a Function 



of the Atomic Weight of the Base," by Leighton 

 B. Morse (introduced by M. I. Pupin). 



" Oxygen the Active Atom in the Characteristic 

 Reflection of Carbonates, Nitrates, Sulphates and 

 Silicates," by Leighton B. Morse (introduced by 

 M. I. Pupin). 



" A Modification of the Bjerkness Hydrody- 

 namics Analogy," by A. P. Wills (introduced by 

 M. I. Pupin) . 



" Psychophysical Investigations with the Gal- 

 vanometer and Pneumograph," by Frederick Peter- 

 son (introduced by M. I. Pupin). 



" On Rayleigh's Disc as an Absolute Measure 

 of So^md," by A. G. Webster. 



"On the Minimum Audible Sound," by Geo. B. 

 Stebbins (introduced by A. G. Webster). 



" Buried River Channels of the Hudson Valley," 

 by J. F. Kemp (introduced by C. F. Chandler). 

 " Glacial Erosion in Wales," by W. M. Davis. 

 " Summary of Studies of Cambrian Brachio- 

 pods," by Chas. D. Walcott. 



" On Certain Changes of Nuclei in Relation to 

 Age," by Chas. S. Minot. 



" Researches from the Psychological Laboratory 

 of Columbia University," by J. McK. Cattell. 



" Additions to the Collections of Extinct Verte- 

 brates in the American Museum of Natural His- 

 tory," by H. F. Osborn. 



"A Biographical Memoir of Alpheus Hyatt," 

 by W. K. Brooks. 



" Biography of Lewis H. Morgan," by W. H. 

 Holmes. 



" Drop Weight and the Law of Tate ; the De- 

 termination of the Molecular Weight in the Liquid 

 State by the Aid of Drop Weights," by Reston 

 Stevenson and J. Livingston Morgan (introduced 

 by C. F. Chandler). 



" The Relation of the Spectra, Magnitudes and 

 Colors of Stars," by Edward C. Pickering. 



" Tables of Minor Planets discovered by James 

 C. Watson, prepared by Armin O. Leusohner 

 under direction of the Watson Trustees," by 

 Simon Newcomb. 



THE PHILOSOPHICAL SOCIETY OF WASHINGTON 



The 636th meeting of the society was held 

 on October 12, 190Y, Vice-president Bauer in 

 the chair. The evening was devoted to a 

 paper by Mr. J. E. Hayford on " Earth Move- 

 ments as Determined by Triangulation (San 

 Francisco Earthquake of 1906)." 



The 63Yth meeting of the society was held 

 on October 26, President Hayford presiding. 



