586 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Minerals  described— Continued. 
Sulphur,  Crook.  1. 
Sulphur,  Grant   (U.  S.),  5. 
Sulphur,  native,  Simonds,  3. 
Sussexite,  Brush,  2. 
Sylvanite,  Moses,  5. 
Sylvanite,   Whitlock,   1. 
Synchysite,  Boggild;  5. 
Tainiolite,   Boggild,   5. 
Tainiolite,   Flink,  2. 
Talc,  Boggild,  5. 
Talc,  Crook,  1. 
Talc,  Pratt  and  Lewis,  1. 
Talc,  Simonds,  3. 
Talc,  Van  Hise.  12. 
Talc,  Whitlock,  1. 
Tantalite,  Merrill   (G.  P.),  12. 
Tantalite,  Whitlock.  1. 
Tellurite,  Headden.  1. 
Tellurite,  Schaller.  s. 
Tellurium,  Headden.  1. 
Tellurium,  native,  Hoffmann,  6. 
Tengerite,  Hidden,  1. 
Tengerite.  Simonds.  ."'.. 
Tenorite.  Iiansome,  11. 
Tephroite.  Simonds.  3. 
Terlinguaite,  Moses.  2.  4. 
Tetradymite,  llillehrand,  G. 
Tetradymite,  Weed.  .">. 
Tetrahedrite,  Chester.  1. 
Tetrahedrite,  Kemp.  .".::. 
Tetrahedrite,  Etansome,  3,  10. 
Tetrahedrite,  Simonds.  :'». 
Tetrahedrite,  Weed.  5. 
Tetrahedrite,  Whit  lock.  1. 
Thalenite,  Hillehrand,  2.  (5. 
Thenardite,  Boggild,  5. 
Thenardite,  Merrill   (G.  P.),  12. 
Thomsenolite,  Boggild,  5. 
Thomsonite,  Boggild.  4.  5. 
Thomsonite,  Clarke  and  Steiger,  1. 
Thomsonite,  Farrington,  12. 
Thomsonite,  Steiger.  2. 
Thomsonite,  Tassin,  1. 
Thomsonite,  Van  Hise,  12. 
Thorium,  Boltwood,  1. 
Thorogummite,  Hidden,  1. 
Thorogummite,  Simonds.  3. 
Titanite,  Boggild,  5. 
Titanite,  Farrington,  12. 
Titanite,  Osann,  2. 
Titanite,  Simonds.  .">. 
Titanite.  Tassin,  1. 
Titanite,  Van  Hise.  12. 
Titanite,  Whitlock,  1. 
Topaz,  Farrington,  12. 
Topaz,  Kunz,  4,  8. 
Topaz,  Rogers,  2. 
Topaz,  Schaller,  8. 
Topaz,  Simonds,  3. 
Topaz,  Tassin.  1. 
Topaz,  Van  Hise.  12. 
Topaz,  Whitlock.  1. 
Torhernite,  Simonds.  3. 
Torhernite,  Whitlock,  1. 
Tourmalin,  Whitlock.  1. 
Tourmaline,  Boggild,  5. 
Minerals  described — Continued. 
Tourmaline,   Bowman    (H.   L.),   1. 
Tourmaline,  Crook,  1. 
Tourmaline,  Eyerman,  1. 
Tourmaline.  Farrington,  12. 
Tourmaline,  Kunz,  3. 
Tourmaline,  Pratt  and  Lewis,  1. 
Tourmaline,  Schaller.  4. 
Tourmaline,  Simonds.  :;. 
Tourmaline.  Smyth    (('.  11.).  3. 
Tourmaline,   Sterrett.   1. 
Tourmaline,  Tassin,  1. 
Tourmaline.  Van  Hise,  12. 
Tourmaline,  Weed.  5. 
Tourmaline.  Wright    (  F.  E.  i.  6. 
Travertine,  Simonds,  3. 
Tremolite,  Blasdale,  1. 
Tremolite,  Boggild,  5. 
Tremolite,  Hoffmann,  (?. 
Tremolite,  Simonds.  3. 
Tremolite,  Van  Hise.  12. 
Tremolite,  Whitlock,  1. 
Tridymite,  Schaller.  8. 
Tridymite,  Van  Hise,  12. 
Triphyllite,  Merrill    (G.  P.),  12. 
Triploidite.  Brush  and  Dana,  1. 
Troilite,  Boggild,  5. 
Turgite,  Simonds,  ::. 
Turquoise,  Farrington,  12. 
Turquoise,  liaise,  3. 
Turquois,  Kunz,  4. 
Turquois,  Simonds.  3. 
Turquois,  Tassin,  1. 
Turquois,  Whitlock.  1. 
Tychite,  Penfield  and  Jamieson,  1. 
Tysonite,  Allen  and  Comstock,  1. 
Uintaite,  Merrill    (G.   P.),  12. 
Uintaite,  Whitlock,  1. 
Flexite.  Merrill  (G.  P.),  12. 
Ulexite.   Whitlock,  1. 
Uralite?,  Simonds,  :;. 
I  ralorl  bite,  Simonds.  :;. 
Uraninite,   Boltwood,  1. 
Uraninite,  Simonds,  3. 
Uraninite,  Whitlock,  1. 
Uranium,  Simonds,  3. 
Uranochre,  Simonds.  ::. 
Uranophane,  Hoffmann,  2.  4. 
Uranophane,  Watson  (T.  L.  >,  7. 
Urantite,  Merrill  (G.  P.),  12. 
Uvarovite.  Hoffmann,  <'». 
Uvarovite,  Nan  Hise.  12. 
Uvarovite,  Whitlock,  1. 
Vanadinite,  Merrill   (G.  P.),  12. 
Vanadinite,  Schaller.  8. 
Vanadinite,  Whitlock.  1. 
Variscite,  Farrington,  12. 
Variscite,  Tassin.  1. 
Vermiculite,  Chester.  1. 
Vermiculite,  Perry  and  Emerson,  1. 
Vermiculite,  Simonds.  3. 
Vermiculites,  Crook,  1. 
Vesuvianite,  Boggild,  •"">. 
Vesuvianite,  Clarke  and  Steiger,  2. 
Vesuvianite,  Farrington,  12. 
Vesuvianite,  Moses,  1. 
Vesuvianite.  Rogers,  4. 
