INDEX. 



583 



worthy Spermatophytes, Chiefly 



from, 21. 

 Mexico, New Plants from, 48. 

 Mexico, New species of Senecio and 



Schoenocaulon from, 17. 

 Michael, Arthur, resigns Fellowship, 



535. 

 Moore, G. F., appointed Delegate, 



530, 532. 

 Morse, H. W., Studies on Fluorite: 



(IV.) The Kathodo-Lumines- 



cence of Fluorite, 1-16. 

 Museo Nacional, Mexico, Letter from, 



531. 

 Museum of Comparative Zoology at 



Harvard College. See Zoological 



Laboratory. 



Nef, J. U., elected Associate Fellow, 



534. 

 Newhall, S. H., Pisistratus and his 



Edition of Homer, 489-510, 544. 

 Norris, J. F., elected Resident Fellow, 



528. 



Officers, elected, 542; List of, 557. 



Oscillations, The Quick, of a Twisted 

 Fibre, Damping of, by the Re- 

 sistance of the Air and by the 

 Torsional Forces, 533. 



Overbergh, C. van, Letter from, 527. 



Palestine, The Most Recent Explora- 

 tion in, 529. 



Parker, G. H., The Influence of Light 

 on the Daily Activities of Ani- 

 mals, 533 ; The Sensory Reac- 

 tions of Amphioxus, 413-455, 

 533. 



Peirce, B. O., The Damping of the 

 Quick Oscillations of a Twisted 

 Fibre by the Resistance of the Air 

 and by the Torsional Forces, 533 ; 

 The Influence of Hysteresis upon 

 the Manner of Establishment of 

 a Steady Current in the Primary 

 Circuit of an Induction Coil, 530; 

 On the Determination of the 

 Magnetic Behavior of the Finely 

 Divided Core of an Electromagnet 



while a Steady Current is being 

 established in the Exciting Coil, 

 97-182. 



Physikalische Verein, Frankfort, Let- 

 ter from, 530. 



Physiological Basis of Illumination, 

 The, 75. 



Pickering, W. H., The Volcanoes of 

 the Azores, 529. 



Pierce, G. W., accepts Fellowship, 

 527; A Simple Method of 

 Measuring the Intensity of Sound, 

 375-395, 531. 



Pisistratus and his Edition of Homer, 

 4S9, 544. 



Plants, New, from Guatemala and 

 Mexico, 4S. 



Polariscope, Note on Some Meteoro- 

 logical Uses of the, 405, 531. 



Positive Rays, 511, 544. 



Pressure, Heavy, Some Effects of, 

 on Arc Spectra, 530. 



Publication, Appropriation for, 534, 

 542. 



Publication Committee, 543; Report 

 of, 540. 



Publication Fund, 536. 



Rays, Positive, 511, 544. 



Reactions, The Sensory, of Amphi- 

 oxus, 413, 533. 



Recognitions, On Delays before, in 

 Greek Tragedy, 457, 533. 



Records of Meetings, 527. 



Research Laboratory of Physical 

 Chemistry of the Massachusetts 

 Institute of Technology, Con- 

 tributions from, 257. 



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

 Concerning the Use of Electrical 

 Heating in Fractional Distilla- 

 tion, 519-524. 



Richards, T. W., and Rowe, A. W., 

 A New Method for the Determi- 

 nation of the Specific Heats of 

 Liquids, 473-488, 544. 



Richards, T. W., and Wrede, Franz, 

 The Transition Temperature of 

 Manganous Chloride: A New 

 Fixed Point in Thermometry, 

 341-350. 



