INDEX. 



753 



Magnetic Tests upon Iron and Steel 

 Rings, The Magnitude of an 

 Error which sometimes affects the 

 Results of, 83. 



Magnetization, Anomalous, in Iron, 

 735. 



Magnets, Permanent, The Resistivity 

 of Hardened Cast Iron, as a Meas- 

 ure of its Temper and of its Fit- 

 ness for use in, 183. 



Massachusetts Coast, The Supposed 

 Recent Subsidence of the, 686. 



Massachusetts Institute of Technol- 

 ogy. See Research Laboratory of 

 Physical Chemistry and Rogers 

 Laboratory of Physics. 



Mather, Samuel, Letter from, 694. 



Mathews, J. H. See Richards, T. W., 

 and Mathews, J. H. 



Matthews, A., elected Resident Fel- 

 low, 715; accepts Fellowship, 717. 



Meeting, Celebration of the one-thou- 

 sandth, 687. 



Mercury, The Action of, on Steel at 

 High Pressures, 323, 686. 



Moore, C. L. E., Infinitesimal Prop- 

 erties of Lines in S4 with Appli- 

 cations to Circles in S3, 343, 686. 



Moore, E. C, accepts Fellowship, 683. 



Morse, H. W., and Sargent. L. W., 

 The Internal Resistance of the 

 Lead Accumulator, 587. 



Museo nacional de Arqueologia, Mex- 

 ico, Letter from, 714. 



Museum of Comparative Zoology at 

 Harvard College. See Zoological 

 Laboratory. 



Mysticism, Mediaeval German, The 

 Historical Aspect of, 719. 



Neodymium, The Atomic Weight of, 

 213, 684. 



Nitrogen, On the Equilibrium of the 

 System consisting of Calcium 

 Carbide, Calcium Cyanide, Car- 

 bon and, 245, 684. 



Nobel Committee, Circulars from, 714. 



Nominating Committee, appointed, 

 724. 



Nubia, Lower, Account of the Archse- 

 ological Survey of, 726. 



Officers, elected, 734. 



Opacity of Certain Glasses for the 



Ultra- Violet, On the, 669, 719. 

 Osterhout, W. J. V., elected Resident 



Fellow, 684; accepts Fellowship, 



684. 



Palache, Charles. See Warren, C. H., 

 and Palache, C. 



Pegmatites, The, of the Riebeckite- 

 Aegerite Granite of Quincy, 

 Mass., 686. 



Peirce, B. O., Anomalous Magnetiza- 

 tion in Iron, 735; The Effects of 

 Sudden Changes in the Induc- 

 tances of Electric Circuits as Il- 

 lustrative of the Absence of Mag- 

 netic Lag and of the von Walten- 

 hofen Phenomenon in Finely Di- 

 vided Cores. Certain Mechanical 

 Analogies of the Electrical Prob- 

 lems, 539; The Electrical Induc- 

 tivities of Certain Poor Conduc- 

 tors, 735; The Magnetic Permea- 

 bilities at Low Excitations of two 

 Kinds of very Pure Soft Iron, 205; 

 The Magnitude of an Error 

 which sometimes affects the Re- 

 sults of Magnetic Tests upon Iron 

 and Steel Rings, 83; The Resist- 

 ivity of Hardened Cast Iron as a 

 Measure of its Temper and of its 

 Fitness for use in Permanent 

 Magnets, 183. 



Pickering, E. C, Toastmaster at Cele- 

 bration of 1000th meeting, 697. 



Pierce, G. W., Theory of Coupled 

 Circuits, under the Action of an 

 Impressed Electromotive Force, 

 with Applications to Radioteleg- 

 raphy, 291, 684. 



Phillips, H. B., The Indeterminate 

 Product, 363, 686. 



Policy Committee, 715; Recommen- 

 dations, 686, 717; Reconmien- 

 dations adopted, 718, 722; Re- 

 port of, 717. 



Price, Richard, Letter from, 695. 



Publication Committee, Report of, 731. 



Publication Fund, 728; Appropriation 

 from Income of, 723, 733. 



