FOE    THE    YEARS    1901-1905,  INCLUSIVE. 
431 
Chemical  analyses — Continued. 
Roseoeiite,  Clarke  (P.  W.).  1. 
Roscoelite,  Lindgren,  3,  4. 
Rowlandite,  Clarke  (F.  W.),  1. 
Rowlandite,  Simonds,  •".. 
Rutile,  Clarke  (F.  W.),  1. 
Salt,  Richardson   (G.  B.),  4,  7. 
Salt  (commercial),  Eckel,  26. 
Salt  brine.  Lane,  12. 
Samarskite,  Clarke  (F.  W.),  1. 
Sand,  molding,  Eckel,  14. 
Sandstone,  Ihlseng,  1. 
Sandstone,  Sbedd,  2. 
Sandstone,  Ransome,  3. 
Sapphirine,  Boggild,  5. 
Saussurite,  Clarke  (P.  W.),  1. 
Scapolite.  Cordon  (C.  II.),  5. 
Scapolite,  Qsann,  2. 
Schalstein,  Julien,  7. 
Schist,  Bayley,  1. 
Schist,  Hoffman,  1. 
Schizolite,  Boggild,  2,  5. 
Schizolite,  Boggild  and  Winther,  1. 
Schorlomite.  Barlow,  4. 
Scolecite,  Boggild,  5. 
Scolecite,  Clarke  (F.  W.),  1. 
Scolecite,  Clarke  and  Steiger,  1. 
Scolecite,  Steiger,  2. 
Scorodite,  Clarke  (P.  W.),  1. 
Selenite,  Rowe,  3. 
Sepiolite,  Pratt  and  Lewis,  1. 
Sericite,  Lindgren,  29. 
Serpentine,  Boggild,  5. 
Serpentine,  Clarke  (P.  W.),  1,  2. 
Serpentine,  Clarke  and  Steiger,  1. 
Serpentine,  Eyerman,  1. 
Serpentine,  Leonard,  1. 
Serpentine,  Lyon,  1. 
Serpentine,  Marsters,  3. 
Serpentine,  Newland,  1. 
Serpentine,  Peck,  6. 
Serpentine,  Pratt  and  Lewis,  1. 
Serpentine,  Sears,  1. 
Serpentine,  Shedd,  2. 
Serpentine,  Smith   (G.  O.),  13. 
Serpentine,  Smith  and  Willis,  1." 
Shale,  Ba.ssler,  2,  3. 
Shale,  Catlett,  3. 
Shale,  Eckel,  4,  25.  28,  34. 
Shale,  Haworth  and  Schrader,  1. 
Shale,  Ihlseng,  1. 
Shale,  Richardson  (G.  B.),  2. 
Shale,  Russell,  6. 
Shale,  Watson  (T.  L.),  9,  17. 
Shale,  Weed,  18. 
Shale,  bituminous,  Parks,  4. 
Shonkinite,  Osann,  2. 
Shonkinite,  Pirrson,  1,  3.  4. 
Shonkinite,  Washington,  1. 
Shonkinite,  Weed  and  Pirsson,  1. 
Shonkinose,  Pirsson,  4. 
Shoshonose,  Pirsson,  4. 
Siebert  tuff,  Nevada,  Spurr,  29. 
Silica  powder,  Leith,  4. 
Sillimanite,  Clarke  (F.  W.),  1. 
Sinter,  baritic,  Headden,  3. 
Slag,  Eckel,  17. 
Chemical  analyses — Continued. 
Slag  cement,  Eckel,  17. 
Slate,  Bayley,  1. 
Slate,  Eckel,  24.  25,  27,  28. 
Slate,  Leith,  4. 
Slate,  Weidman,  5. 
Smithsonite,  Branner.  li. 
Smithsonite,  Clarke  (F.  W.),  1. 
Soda,  Darton,  18. 
Soda-granite-porphyry,  Clarke  and  Stei- 
ger, 1. 
Soda  niter,  Clarke  (P.  W.),  1. 
Sodalite,  Bonney.  1. 
Sodalite,  Clarke  (F.  W.),  1. 
Sodalite,  Clarke  and  Steiger.  1. 
Sodalite,  Pirsson,  4. 
Sodalite-nepbeline  syenite,  Weidman,  4. 
Sodalite-syenite,  Adams   (F.  D.),  7. 
Soil,  Russell,  6. 
Soils,  Barbour  (E.  II.),  8. 
Soils,  Reagan,  1. 
Soils,  Whitney  (M.),  1. 
Solvsbergite,  Sears.   1. 
Solvsbergite-tinguaite,  Pirsson,  4. 
Souesite,  Hoffmann    7. 
Spangolite,  Penfield,  3. 
Sperrylite,  Wells,   1 . 
Sphalerite,  Branner,  2. 
Sphalerite,  Watson   (T.  L.),  17. 
Spessartite,  Clarke   (F.  W.),  1. 
Spessartite,  Simonds,  3. 
Spinel,  Boggild,  5. 
Spinel,  Clarke   ( F.  W.),  1. 
Spinel,  Pratt  and  Lewis.  1. 
SpodiophylKte,  Boggild,  5. 
Spodumene,  Brush  and  Dana,  4. 
Spodumene,  Schaller,  1. 
Staurolite,  Clarke  (F.  W.),  1. 
Staurolite,  Pratt  and  Lewis,  1. 
Steenstrup;te,  Boggild,  5. 
Steenstrupite,  Boggild  and  Winther,  1. 
Stilbite,  Clarke   (P.  W.),  1. 
Stilbite,  Clarke  and  Steiger,  1. 
Stilbite,  Eyerman,  1. 
Stilbite.  Steiger,  2. 
Stromeyerite,  Clarke   (F.  W,),  1. 
Sulphide  ore,  Spurr,  29. 
Sulphur  waters,  Phillips   (W.  B.),  5. 
Syenite,  Dresser,  5,  9. 
Syenite,  Kay,  1. 
Syenite,  Pirsson,  1. 
Syenite,  Weed  and  Tirsson,  1. 
Syenite,  basic,  Cushing,  3. 
Syenite  porphyry,  Cushing,  3. 
Synchysite,  Boggild,  5. 
Tachylite,  Emerson  (B.  K.),  G. 
Tachylyte,  Luquer,  3. 
Tainiolite,  Boggild,  5. 
Talc,  Blasdale,  1. 
Talc,  Boggild,  5. 
Talc,  Clarke  (F.  W.),  1. 
Talc,  Peck,  6. 
Talc,  Pratt  and  Lewis,  1. 
Tallow-clays,  Branner,  2. 
Tengerite,  Hidden,  1. 
Tephroite,  Simonds,  3. 
Terlinguaite,  Moses,  2,  4.      0 
