802 INDEX TO VOL. VIII 



PAGE 



Silberstein, L., " Vectorial Mechanics" 564 



Soddy, F., " The Chemistry of the Radio-Elements " 778 



Southall, J. P. C, " Principles and Methods of Geometrical Optics" . . 566 



Tarde, Gabriel, " Penal Philosophy " 578 



Thomson, Sir J. J., " Rays of Positive Electricity" 774 



Thorpe, Sir E., "A Dictionary of Applied Chemistry " 780 



Tilden, Sir W. A., "The Progress of Scientific Chemistry" . 



^'imiriazeff, C, "A Possible Physical Aspect of the Trichromatic Vision 



Theory" 1 



Verworn, M., " Irritability" 790 



Walker, G. W., " Modern Seismology " 783 



Weinstein, M. B., " Die Physik der bewegten Materie und die 



Relativitatstheorie " 773 



Wells, H. G., and A. M. Davies, "Text-Book of Zoology" . . . .577 



Westaway, F. W., " Scientific Method : Its Philosophy and Practice " . . 771 



Zeeman, P., " Researches in Magneto Optics " 565 





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