736 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Petrology— Continued. 
West  Indie j. 
Cendres  des  eruptions  de  la  Montagne 
Pelee,  Lacroix,  2. 
Composition  chimique  des  poussieres 
volcaniques  de  la  Martinique,  Gillot. 
1. 
Composition  des  cendres  projetees  par 
la  Montagne  Pelee,  Michel-Levy,  2. 
Cordierite  dans  les  produits  eruptifs  de 
la  Montagne  Pelee,  Lacroix,  17. 
Dust  from  Soufriere,  Bonney,  5. 
Enclaves  basiques  des  volcans  de  la 
Martinique,  Lacroix,  18. 
Enclaves  des  andesites  de  Montagne 
Pelee,     Lacroix,     6. 
Examination  of  ash  that  fell  on  Bar- 
bados after  eruption  of  St.  Vincent, 
Flett,  1. 
History  of  the  Caribbean  Islands, 
Frazer.  S. 
.Massive-solid  volcanic  eruptions,  Rus- 
sell, 13. 
Montagne  Pelee  et  ses  eruptions,  La- 
croix. 20. 
Observations  mineralogiques  faites  sur 
les  products  de  l'incendie  de  Saint- 
Pierre,  Lacroix,   10. 
Recent  tuffs  of  the  Soufriere,  Howe 
(E.),  2. 
Roches  volcaniques  de  la  Martinique, 
Lacroix,   1,  3. 
Volcanic  dust,  Falconer,  1. 
Volcanic  dust  and  sand  from  St.  Vin- 
cent,  Diller  and.  Steiger,   1. 
Volcanic  dust  from  West  Indies,  Por- 
ter  (F.  B.),  1. 
Volcanic  rocks  of  Martinique  and  St. 
Vincent,   Diller,   7. 
Vulcanische  Asche  vom  Volcan  Sou- 
friere.  Klein.   1. 
Vulcaniseben  Kleinen  Antillen  und  die 
Ausbniche  der  Jahre  1902  und  1903, 
Sapper,  19. 
Wisconsin. 
Baraboo  iron-bearing  district  of  Wis- 
consin. Weidman,  5. 
Dalles  of  the  St.  Croix,  Berkey,  1. 
Occurrence    of    fayalite    in    Wisconsin, 
Weidman,    4. 
Wyoming. 
Aladdin  folio,  Darton  and  O'Harra,   1. 
Copper  deposits  of  the  Encampment 
district,  Spencer   (A.  C),  10. 
Igneous  rocks  of  the  Aladdin  quad- 
rangle, Smith    (W.   S.  T.),  0. 
Igneous  rocks  of  the  Sundance  folio, 
Smith    (W.   S.  T.),  5. 
Leucite  hills  of  Wyoming,  Kemp  and 
Knight.   1. 
Spherulites  of  the  Yellowstone  and 
Great  Britain,  Parkinson,  1. 
Sundance  folio,  Darton,  26. 
General. 
Ann  lysis  of  igneous  rocks,  Washington, 
9. 
Analysis  of  rocks,  Clarke  (F.  W.),  4. 
Petrology— Continued. 
General — Continued. 
Beziehungen  zwischen  der  Petrogra- 
phie  und  angrenzenden  Wissenschaf- 
ten,  Zirkel,  1. 
Bibliography  and  index  of  North  Amer- 
ican geology,  paleontology,  petrology, 
and  mineralogy,  Weeks,  G,  7,  10,  15. 
Bibliography  of  North  American  geol- 
ogy, paleontology,  petrology,  and 
mineralogy  for  1892-1900,  Weeks,  3. 
Calculation  of  center  points  in  the 
quantitative  classification  of  igneous 
rocks,  Washington,  7. 
Character  and  genesis  of  certain  con- 
tact deposits,  Lindgren,  5. 
Chemical  analyses  of  igneous  rocks, 
Washington,    6. 
Chemical  composition  of  igneous  rocks 
expressed  by  diagrams,  Iddings,  1. 
Chemical  study  of  the  glaucophane 
schists,  Washington,  4. 
Classification  of  sedimentary  rocks, 
Grabau,   15. 
Coarseness  of  igneous  rocks,  Lane,  37. 
Concentration  of  barium  in  limestone, 
Dickson,  2. 
Derivation  of  rock  name  "  anorthosite," 
Gushing,  5. 
Determination  of  feldspars  in  thin  sec- 
tion, Spurr,  7. 
Differential  thermal  conductivities  of 
certain  schists,  Tbelen,  1. 
Ellipsoidal  structure  in  pre-Cambrian 
basin  and  intermediate  rocks  of  Lake 
Superior   region,    Clements,    1. 
Eutectics  in  rock  magmas,  Lane,  32. 
Fall  excursions  of  the  Geological  De- 
partment, Columbia  University,  Sbi- 
mer,   2. 
Formation  of  bonanzas  in  upper  por- 
tions of  gold  veins,  Rickard  (T.  A.), 
3. 
Foyaite-ijolite  series  of  Magnet  Cove, 
Washington,  1. 
Foyaite-ijolite  series  of  Magnet  Cove, 
II,  W.isbington,  2. 
Genesis  of  certain  cherts,  Keyes,  35. 
Cenesis   of  riebeckite,   Murgoci,    I. 
Geological  relations  and  distribution  of 
platinum  and  associated  metals, 
Kemp,  10. 
Geophysical  investigations  suggested, 
Adams    (F.   D),  9. 
Gold  production  of  North  America, 
Lindgren,  6. 
Grain  of  igneous  intrusives,  Lane,  22. 
Granite,  Winchell   (N.  H.),  18. 
Handbook  of  rocks,  Kemp,  29. 
Igneous  rocks  and  circulating  waters 
as  factors  in  ore  deposition,  Kemp, 
12. 
Igneous  rocks  from  eastern  Siberia, 
Washington,  5. 
Igneous  rocks  :  How  to  identify  them, 
O'Brien  (C.  J.),  1. 
