738 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Petrology— Continued. 
Rock*   described — Continued. 
Andesite,  Finlay   (G.  I.),  8. 
Andesite,  Gregory   (H.  E.),  1. 
Andesite,  Guild,  1. 
Andesite,  Hogarty,  1. 
Andesite,  Jaggar  and  Palache.  1. 
Andesite,   Lawson  and  Palache,   1. 
Andesite,  Lindgren,  4,  28. 
Andesite,   Scott    (O.   N.),   1. 
Andesite,  Smith   (D.  T.),  2. 
Andesite,  Smith  (G.  O.),  3. 
Andesite,  Spurr,  29. 
Andesite,  Weed,  5. 
Andesite-granophyre,    Fairbanks,    7. 
Andesitic  tuff,  Calkins.  1. 
Andote,   Johnson    (D.   W. ),   G. 
Anorthite,  Pratt  and  Lewis,  1. 
Anorthosite,  Cushing,  5,  10. 
Anorthosite,  Ogilvie,  6. 
Anorthosite,  Pratt  and  Lewis,  1. 
Anorthosite  gabbro,  Cushing,  2. 
Anorthosyte,  Kolderup,  4. 
Apachite,  Osann,  1. 
Apatite,  Osann,  2. 
Aplite,  Arnold  and  Strong,   1. 
Aplite,  Barrell,  1. 
Aplite,  Emerson   (B.  K.),  G. 
Aplite,  Reid   (J.  A.),  1. 
Aplite,  Smith  and  Calkins,  1. 
Aplite,  Spencer  (A.  C),  10. 
Aplite,  Watson   (T.  L.),  5. 
Aplite,  Wright   (F.  E.),  6. 
Aplite-granite,  Weed,  5. 
Arkite   (leucite-porphyry),  Washington, 
1. 
Arkose,  Emerson  (B.  K.),  6. 
Arkose,  Van  Hise,  12. 
Ash,  volcanic,  Bergeat,  2,  3. 
Ash,  volcanic,  Brauns,  1,  2. 
Ash,  volcanic,  Schmidt,  1. 
Ash,  volcanic,  Schottler,  1. 
Augite-andesite,    Cushing,    1. 
Augite-andesite,  Emerson  (B.  K.),  G. 
Augite-andesite,  Johnson  (I).  W.),  6. 
Augite-andesite,   Smith  and  Calkins,   1. 
Augite-camptonite,    Shinier,    1. 
Augite-camptonyte,  Barber,  1. 
Augite-diorite-porphyrite,   Palache,  3. 
Augite-latite,  Clarke  and  Steiger,  1. 
Augite  -  monzonite  -  porphyry,     Johnson 
(D.   W.),  6. 
Augite-orthophyr,   Emerson    (B.   K.),  G. 
Augite-porphyrite,  Campbell  (C.  M.),  1. 
Augite-porphyrite,  Emerson   (B.  K.),  0. 
Augite-syenite,  Cross  and  Spencer,  1. 
Augite-syenite,  Barrell,   1. 
Augite-syenite,  Coleman,  8,  13. 
Augite-syenite,  Kemp,  11. 
Augite-syenite,  Cushing,  2. 
Augite-syenite,  Parks,  1. 
Augite-teschenite,  Fairbanks,  7. 
Basalt,  Belowsky,   1. 
Basalt,  Diller,  4,  11. 
Basalt,  Diller  and  Patton,  1. 
Basalt,  Emerson  (B.  K.),  6. 
Basalt,  Fairbanks,  7. 
Petrology— Continued. 
Rocks   described — Continued. 
Basalt,  Finlay    (G.  I.),  8. 
Basalt,  Guild,  1. 
Basalt,  Jaggar  and  Palache,  1. 
Basalt,  Lawson  and  Palache,   1. 
Basalt,  Lindgren,  4,  21,  28 
Basalt,   Ordonez,    14. 
Basalt,  Phalen,  1. 
Basalt,  Ransome,  6,  13. 
Basalt,  Smith  (D.  T.),  1. 
Basalt,  Smith  (G.  O.),  3. 
Basalt,    Smith   and   Calkins,   1. 
Basalt,  Spurr,  29. 
Biotite,  Julien,  7. 
Biotite-aegerine-ijolite,  Barlow,  4. 
Biotite-diorite,  Osmont,  1. 
Biotite  gneiss,  Belowsky,  1. 
Biotite-granite,  Daly,  7. 
Biotite-granite,  Ransome,  13. 
Biotite-granite,  Spurr,  2. 
Biotite-granite       (quartz       monzonite), 
Bascom,  1. 
Biotite-granite-gneiss,        Arnold        and 
Strong,  1. 
Biotite  mica  schist,  Parks,  1. 
Biotite-muscovite-granite,      Smith     and 
Calkins,  1. 
Biotite  schist,  Warren,  2. 
Biotite  tinguaite,  Sears,  1. 
Biotite-rhyolite,  Spurr,  2 
Borolanose,  Pirsson,  4. 
Bostonite,  Barrell,  1. 
Bostonite,  Osann,  1. 
Bostonite,  Pirsson,  4. 
Bostonite,  Smith  (W.  S.  T.),  5. 
Breccia,  Barlow,  6. 
Breccia,  Johnson  (D.  W.),  G. 
Breccia,  Smith   (W.  S.  T.),  5,  6. 
Bytownite  rock,  Kolderup,  4. 
Calcarenite,  Grabau,  10. 
Calcilutite,  Grabau,  10. 
Calcirudite,  Grabau,  10. 
Calcite-prehnite  cement  rock,  Emerson 
(B.  K.),  6. 
Camptonite,  Daly,  7. 
Camptonite,  Dresser,  2,  9. 
Camptonite,  Finlay   (G.  I.),  8. 
Camptonite,  Kemp,  32. 
Camptonite,  Ogilvie,  2. 
Camptonyte,  Barber,  1. 
Cancrinite-syenite,  Barlow,  4. 
Celestite-bearing  rocks,  Kraus,  5. 
Chert,  Leith,  4. 
Chert,  Wright  (F.  E.),  6. 
Chlorite  schist,  Parks,  1. 
Chloritite,  Pratt  and  Lewis,  1. 
Coke,  natural,  Ochsenius,  1. 
Conglomerate,  Wright   (F.  E.),  6. 
Covite  (shonkinite),  Washington,  1. 
Dacite,  Diller  and  Patton,  1. 
Dacite,  Finlay  (G.  I.),  8. 
Dacite,  Lindgren,  4. 
Dacite,  Ransome,  6,  13. 
Dacite,  Smith  and  Calkins,  1. 
Dacite,  Spurr,  3,  29. 
Dacite-granophyre,    Fairbanks,    7. 
