FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
739 
Petrology— Continued. 
Rocks  described — Continued. 
Dacite-porphyry,  Diller,  11. 
Diabase,  Bascom,  1,  3. 
Diabase,  Belowsky,   1. 
Diabase,  Cross  and  Howe,  1. 
Diabase,  Daly,  7. 
Diabase,  Dresser,  4. 
Diabase,  Emerson   (B.  K.),  6,  8,  9. 
Diabase,  Fairbanks,  7. 
Diabase,  Finlay  (G.  I.),  4. 
Diabase,  Haebl  and  Arnold,  1. 
Diabase,  Lane,  22. 
Diabase,  Leonard,  1. 
Diabase,   Lindgren,   1,  29. 
Diabase,  Parks,  1. 
Diabase,  Ransome,  6,   13. 
Diabase,  Smith  and  Calkins,  1. 
Diabase,  Warren,  2. 
Diabase,  Wilson   (A.  W.  G.),  1. 
Diabase,  Wright '(F.  E.),  6. 
Diabase  aphanyte,  Emerson   (B.  K.),  8. 
Diabase-porphyrite,  Falache,  3. 
Diabase  porphyry,   Arnold  and   Strong, 
1. 
Dike  rock,  Smyth   (C.  II.),  2. 
Diopside,  Pratt  and  Lewis,  1. 
Diorite,  Barrell,  1. 
Diorite,  Cross  and  Spencer,  1. 
Diorite,  Daly,  7. 
Diorite,   Darton  and  Keitb,   1. 
Diorite,  Finlay  (G.  I.),  4,  8. 
Diorite,  Jaggar  and  Palache,  1. 
Diorite,  Kay,  1. 
Diorite,  Leonard,   1. 
Diorite,  Lindgren,  4. 
Diorite,  Parks,  I. 
Diorite,  Pbalen,  1. 
Diorite,  Smith  and  Calkins,  1. 
Diorite,  Spencer   (A.  C),  10. 
Diorite,  Spurr,  29. 
Diorite,  Warren,  2. 
Diorite,   Weed,   5. 
Diorite,  Weidman,  5. 
Diorite,  Wright  (F.  E.),  6. 
Diorite-aplite,  Palache,  3. 
Diorite-gneiss,  Darton  and  Keith,  1. 
Diorite-gneiss,  Spencer    (A.  C),  10. 
Diorite-porphyrite,  Palache,  3. 
Diorite-porphyry,   Barrell,   1. 
Diorite-porphyry,  Barber,  1. 
Diorite-porphyry,  Cross  and  Spencer,  1 
Diorite-porphyry,    Kemp,    32. 
Diorite-porphyry,    Lindgren,    29. 
Diorite-porphyry,  Palache,  2. 
Diorite-porphyry,   Ransome,   6,    13. 
Diorite-porphyry,  Smith  and  Calkins,  1. 
Diorite-porphyry,  Weed,  5. 
Dicrite  schist,  Julien,  7. 
Diorite  schist,  Parks,  1. 
Dioryte,  Emerson   (B.  K.),  8. 
Dolerite,  Kay,  1. 
Dolomite,  Belowsky,  1. 
Dolomite,    Hoffmann,   6. 
Dolomite,  Knight  (N.),  5,  6. 
Dolomite,  Newland,  1. 
Dolomite,  Van  Hise,  12. 
Petrology— Continued. 
Rocks   described — Continued. 
Dolomite,  Wright   (F.  E.),  G. 
Dolomitic  marble,  Emerson    (B.   K.),  G. 
Dunite,  Pratt  and  Lewis,  1. 
Eclogites,  Holway,  1. 
Elaeolithsyenite,   Osann,   1. 
Enstatite,  Pratt  and  Lewis,  1. 
Enstatite-gabbro,  Osann,  2. 
Enstatite-peridotite,   Spurr,   3. 
Enstatolite,  Pratt  and  Lewis,  1. 
Epidosite,   Pbalen,   2. 
Epidote-quartz-schist,       Emerson        (B. 
K.),   6. 
Essexite,  Adams   (F.  D.),  7. 
Essexite,  Daly,  7. 
Essexite,  Dresser,  5,  9. 
Essexite,  Sears,  1. 
Felsite,  Hoffmann,  G. 
Felsite,  Wilson  (A.  W.  G.),  1. 
Felsite   (rhyolite),  Wright   (F.  E.),  6. 
Fergusite,   Pirsson,   4. 
Fergusose,   Pirsson,  4. 
Foyaite,  Washington,   1. 
Gabbro,  Bascom,  1,  3. 
Gabbro,  Coleman,  13. 
Gabbro,  Gushing,  10. 
Gabbro,  Diller,   11. 
Gabbro,  Lawson  (A.  C),  11. 
Gabbro,   Lindgren,  4. 
Gabbro,  Ogilvie,  6. 
Gabbro,  Osann,  2. 
Gabbro,  Parks,  1. 
Gabbro,  Pratt  and  Lewis,  1. 
Gabbro,  Smith  and  Calkins,  1. 
Gabbro,  Todd   (J.  E.).  7. 
Gabbro,  Weed,  5. 
Gabbro,  Wright  (F.  E.),  G. 
Gabbro,   orbicular,   Kessler   and   Hamil- 
ton,  1. 
Gabbro-diorite,  Dresser,  4. 
Gabbro-diorite,  Leonard,   1. 
Gabbro-diorite,  Pratt  and  Lewis,   1. 
Gabbro-diorite,  Watson   (T.   L.),  15. 
Gabbro-porphyry,  Johnson  (D.  W.),  6. 
Glauconite,  Leith,  4. 
Glauconite,  Prather,  3. 
Glaucophane  -  quartz  -  schist,     Emerson 
(B.  K.),  6. 
Glaucophane  schist,   Thelen,    1. 
Glaucophane  schist,  Nutter  and  Barber, 
1. 
Gneiss,   Barlow,   6. 
Gneiss,  Bascom,  3. 
Gneiss,  Belowsky,  1. 
Gneiss,  Daly,  7. 
Gneiss,  Gordon,  1. 
Gneiss,  Graton,  1. 
Gneiss,  Lindgren,  21. 
Gneiss,  Ogilvie,  6. 
Gneiss,   Ordonez,   14. 
Gneiss,  Phalen,  1. 
Gneiss,  Van  Hise.  12. 
Gneiss,  Watson   (T.  L.).  8. 
Graniphyro-liparose-alaskose,      Iddings, 
3. 
Granite,  Bascom,  3. 
