INDEX. 755 



Silk, artificial, method of making "^ 



Smallpox, progress in treatment of (^ I 



Smillie, T. W., solar eclipse photographs by I(i4, lOo, n<), 151 



Smith, Charles Emory, member of Smithsonian EstahlishnuMit '....' ix, 2 



Smith, C. W. B., solar eclipse work by 151 



Smith, George, Babylonian exploration by 540 



Smithsonian bureau of graduate study, plan for x viii 



Smithsonian fund, condition of xxix 



need of increase in x ii 



Smithson tablet at Genoa 2(5 



Smith, William, geological work of '_'t>7, 2h4, 2^K) 



Sociology, work in, by Bureau of Ethnology 64 



Sodium in the sea, origin of .SOI 



Sokeland, Herrmann, on ancient desemers or steelyards 5ol-5(>4 



Solar and terrestrial weather 144 



atmosphere, hydrogen in ItiO 



changes of temperature and India famines, by Lockycr 17:i-184 



corona, measurement of heat of 107 



Solar eclipse of 1900, appropriation for expedition x i v, x i.i x 



description of, by Abbot 101 , lOt) 



Langley's account of 4i), 141J-155 



photographs of 105, HXi 



results of view oi ••"'•5 



Solar physics, work in ' ■^ ' 



Solar spectrum, first photographs of ••'- 



infra-red, Langley's researcli in tiS.'Miil^ 



Sollas, W. J., on evolutional geology JSi>-:il4 



Soltan, Hugo, coleoptera from _ '^'^ 



Sound, progress in study of 



researches in, by Webster _ "^ 



waves, photography of, by K. W. Wood :i)0-:{()i> 



South America, explorations in -' 



Southerland, Commander W. H. H. , animals from ^^ 



South Shetland Islands, discovery of - "J* 



Spectra of the stars, by Huggins and Miller ^^^ 



Spectroscopic astronomy ^^j. 



study of sun spots '^ 



Spectrum analysis, history of - ;^;,.. 



progress in study <>f ■ ' ""^ 



Spectrum, Hertzian waves and the " J ^ 



Schumann's study of j.^^, 



solar, first photographs of ,is:{-«HI2 



the new, Langley on ' ^.1! 



Spiritualism, imposture by 4t»^) 



Spontaneous generation, theory - - .^^. 



Sprague, Frank J. , trolley line introduced by \...^^....." 23.s 



Stallo, Judge, cited -- 407 



Standardizing bureau, at Charlottenburg - .^., 



at Washington, proposal ^,.^, 



Standards of color, proposed work on '"'!'.!'!. 4-'l 



Stanley' s explorations in Africa '"''.'.'." ^'•^'^ 



Stars, catalogues of ' ' ' VM 



distance of nearest i:50 



spectra of 



