INDEX. 



759 



Supersaturation in Gelatine, 623- 

 048, 697. 



Temperature Coefficients of Magnets 

 made of Chilled Cast Iron, 549- 

 556. 



Temperature, Transition, of Sodic 

 Sulphate, 429-440, 695. 



Thaxter, K., Preliminary Diagno- 

 ses of New Species of Laboul- 

 beniaceae, V., 7-57. 



Thermal Conductivities of Certain 

 Pieces of Rock from the Calu- 

 met and Hecla Mine, 649-660, 

 699. 



Thomson, J. J., elected Foreign 

 Honorary Member, 692 ; accepts 

 membership, 696. 



Tin, Arc Spectra of, 376. 



Tone- Relations, Theory of, 696. 



Townley, S. D., Grant from Income 

 of the Rumford Fund to, 703. 



Tosquinet, P. J., Death of, 696. 



Treasurer, Report of, 700-702. 



Trowbridge, J., Results obtained 

 from the Use of Quartz Geissler 

 Tubes in Spectrum Analysis, 

 696; The Spectra of Gases and 

 Metals at High Temperatures, 

 679-688, 699, 709. 



Tyler, H. W., Biographical notice 

 of John Daniel Rankle, 727 ; 

 elected Resident Fellow, 692; 

 accepts Fellowship, 694. 



Van der Vries, J. N., On the Multi- 

 ple Points of Twisted Curves, 

 471-532. 



Vectors, Lines of Certain Plane, 661- 



678, 699. 

 Virchow, R., Death of, 692. 

 Volcanic Eruptions in the West 



Indies, Dust from, 692. 



Warren (C. M.) Committee, Report 

 of, 705. 



Warren (C. M.) Fund, 702; Appro- 

 priations from the Income of, 

 705, 707 ; Paper published by 

 Aid of, 281. 



Wells, R. C. See Richards, T. W., 

 and Wells, R. C. 



Wild, H. von, Death of, 691,692. 



Wilder Physical Laboratory of Dart- 

 mouth College, Contributions 

 from the, 557. 



Wood, R. W., The Anomalous 

 Dispersion, Absorption, and Sur- 

 face Color of Nitroso-dimethyl- 

 aniline, 709. 



World's Fair, St. Louis, Academy 

 invited to exhibit at, 691. 



Wyman, M., Death of, 697. 



Young, C. A., accepts Appointment 

 as Delegate to Princeton Univer- 

 sity, 694. 



Zinc, Arc Spectra of, 377. 



Zittel, K. A. Ritter von, elected 



Foreign Honorary Member, 



698. 

 Zoological Laboratory of the Museum 



of Comparative Zoology at 



Harvard College, Contributions 



from, 533, 001. 



