FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
737 
Petrology—Continued. 
General — Continued. 
Index  to  North  American  geology,  pale- 
ontology,  petrology,   and   mineralogy 
for  1892-1900,  Weeks,  4. 
Influence   of   country    rock   on    mineral 
veins,  Weed,  6. 
Isomorphism  and  thermal  properties  of 
the  feldspars,  Day  and  Allen,  1. 
Magmatic      differentiation      of      rocks. 
Keyes,  27. 
Manual    of    the    chemical    analysis    of 
roks,  Washington,  10. 
Mechanics   of   igneous   intrusion,    Daly, 
8. 
Metaniorphism  of  the  Lauren  tin  n  lime- 
stones of  Canada,  Winchell    (N.  II.), 
17. 
Metasomatic  processes  in  fissure  veins, 
Lindgren,  1. 
Method  of  petrographic  analysis,  Derr, 
1. 
Methods    for    determining    percentages 
of    components    of   an    igneous    rock, 
Williams   (I.  A.),  2. 
Microscopic-petrographical         methods, 
Wright  (F.  E.),  2. 
Mineral  analyses,  Clarke  (F.  W.),  1. 
Minerals  in  rock  sections,  Luquer,  4. 
New   combination   wedge   for   use   with 
petrographical     microscope,     Wright 
(P.  E.),  1. 
Nitrates    in    cave    earths,    Nichols     (II. 
W.),   1. 
Ores  deposited  by  underground  waters, 
Maclaren,  1. 
Origin    and    classification    of    gneisses, 
Gordon   (C.  II.),  1. 
Outline    of    elementary    lithology,    Bar- 
ton, 1. 
Paleozoic  coral  reefs,  Grabau,  10. 
Paramorphic    alternation    of    pyroxene 
to  hornblende,  Gordon  (C.  II.),  4. 
Perknite     (lime  magnesia    rocks),    Tur- 
ner, 2. 
Plumose    diabase    containing    siderome- 
lan    and    spherulites    of    calcite    and 
blue  quartz,  Emerson  (B.  K.),  5. 
Porphyritic  appearance  of  rocks,  Lane, 
23. 
Practical   working   of   the   quantitative 
classification,  Mathews,   4. 
Preliminary   report   on   recent  eruption 
of  Soufriere  in  St.  Vincent,  and  of  a 
visit   to   Mont   Pelee,   in   Martinique, 
Anderson  and  Flett,  1. 
Preparing  sections  of  rocks,  Mackenzie, 
1. 
Principles     controlling     deposition     of 
ores,  Van  Hise,  8. 
Problems    in    geology    of    ore    deposits, 
Vogt,  1. 
Quantitative         chemico  -  mineralogical 
classification    and    nomenclature    of 
igneous  rocks,  Cross  and  others.  1. 
Quantitative    classification    of    igneous 
rocks.  Cross  and  others,  2. 
Bull.  301—06 47 
Petrology— Continued . 
General— Continued. 
Quantitative  classification  of  igneous 
rocks,  Merrill   (G.  P.),  9. 
Quantitative  classification  of  rocks, 
Mathews,  3. 
Quantitative  distribution  of  rock  mag 
mas,  Washington,  8. 
Ramosite  not  a  mineral,  Luquer,  3. 
Recent  progress  in  petrology,  Ran- 
some,  4. 
Re-formed  copper  ores,  Goodwin,  1. 
Regeneration  of  clastic  feldspar,  Win- 
chell  (N.  H.),  15. 
Rock  name  anorthosyte,  Kolderup,  4. 
Role  of  igneous  rocks  in  formation  of 
veins,   Kemp,   9. 
Significance  of  occurrence  of  minute 
quantities  of  metalliferous  minerals 
in  rocks,  Keyes,  34. 
Sixth  annual  report  of  the  Mining 
Bureau,   McCaskey,   2. 
Size  of  grain  in  igneous  rocks  in  rela- 
tion to  distance  from  cooling  wall, 
Queneau.  2. 
Spheroidal  granite,  Kemp,  21. 
Systematic  petrography.  Cross,  3. 
Treatise  on  metamorphism,  Van  Hise, 
12. 
Variations  of  texture  in  Tertiary  igne- 
ous rocks  of  the  Great  Basin,  Spurr, 
o 
Volcanic  dust  and  sand  from   St.   Vin- 
cent, Diller  and  Steiger,   1. 
Rocks  described. 
Actinolite,  Julien,  7. 
Actinolite,  Pratt  and  Lewis,  1. 
Actinolite-schist,   Palache,  2. 
Adamellite,  Ransome,  6,  13. 
yEgirine-syenite,  Osann,  1. 
Akerite,   Sears,   1. 
Alaskite,   Spurr,  2. 
Alkalisyenite,    Wright    (P.   E.),   3. 
Alkali-syenite-porphyry,   Palache,  3. 
Alnoyte,  Emerson    (B.   K.),  8. 
Alnoyte  porphyry,  Emerson   (B.  K. ) ,  8. 
Amphibole-peridotite,  Pratt  and  Lewis, 
1. 
Amphibole  schist,  Julien,  7. 
Amphibolite,   Emerson    (B.   K.),   6. 
Amphibolite,  Graton,  1. 
Amphibolite,  Marsters,  2,  3. 
Amphibolite,  Pratt  and  Levis,  1. 
Amphibolite,  Wright  (F.  E.),  6. 
Analcite,  Emerson   (B.  K.),  9. 
Analcite,  Pirsson,  4. 
Analcite-basalt,  Clarke  and  Steiger,  1. 
Analcite-basalt.  Pirsson,  4. 
Analcite-Ieucite-basalt,   Pirsson,   4. 
Analcite-tinguaite,  Finlay  (G.  I.),  8. 
Andesine  rock,  Kolderup,  4. 
Andesite,  Barrell,  1. 
Andesite,  Calkins,  1. 
Andesite,  Cross  and  Howe,  1. 
Andesite,  Diller,  7. 
Andesite,  Diller  and  Patton,  1. 
Andesite,  Emerson  (B.  K.),  6. 
