FOR    THE    YEARS    1901-1905,  INCLUSIVE. 
733 
Petrology— Continued. 
Colorado — Continued. 
Greenstone    schists    in    the    San    Juan 
Mountains,  Howe,  3. 
La  Plata  folio,  Cross  and  Spencer,  1. 
Mica     andesite     of    west     Sugar     Loaf 
Mountain,  Blake   (J.  C),  1. 
Nodular-bearing     schists     near     Peaa'I, 
Read,  2. 
Occurrence   of  limburgite,    Stevens    (E. 
A.),  1. 
Olivinite     dike     of     Magnolia     district, 
Whi  taker.   1. 
Ore  deposits  of  Rico  Mountains,   Ran- 
some,  3. 
Report  State  Bureau  of  Mines,  Lee  (II. 
A.),  1. 
Silverton  folio,  Cross  and  Howe,  1. 
Spanish  peaks  folio,  Hills,  1. 
Sunset  trachyte,  Breed,  1. 
Tellurium  veins  in  La  Plata  Mountains. 
Austin,   1. 
Connecticut. 
Newark  system  of  the  Pomperaug  Val- 
ley, Hobbs,  2. 
Tungsten  mine  at  Trumbull,   Hobbs,  5. 
District  of  Columbia. 
Washington  folio,  Darton  and  Keith,  1. 
Georgia. 
Aplite,      pegmatite,      and      tourmaline 
bunches   in   Stone   Mountain  granite, 
Watson    (T.  L),  5. 
Granites  and  gneisses  of  Georgia,  Wat- 
son  (T.  L),  8. 
Granitic  rocks  of  Georgia,  Watson    (T. 
L),   1. 
Origin  of  the  phenocrysts  in  porphyri- 
tic  granites,  Watson  (T.  L.).  3. 
Sandstone       dikes       near       Columbus, 
McCallie,  G. 
Trap  dikes  of  Georgia,  McCallie,   1. 
Weathering  of  granitic   rocks,    Watson 
(T.   L.),  4. 
Greenland. 
Eisenfiihrenden     Gesteinen     der     Insel 
Disko,   Nicolau,    1. 
Mineralogisk     resa     i     Syd     Groenland, 
Flink,   1. 
Mineralogisk-petrografiske    undersoegel- 
ser    af    Grcenlandske    nefelinsyeniter 
og  beslaegtede  bjaegarter.   Ussing,   1. 
Petrographie     Nord-Gronlands,     Below- 
sky,  1. 
Rocks  and  minerals  from  north  Green- 
land   and    Frobisher    Bay,    Emerson 
(B.  K.),  8. 
Rocks    from    east    coast    of    Greenland, 
Nordenskjold,   1. 
Rocks  of  Nugsuaks   Peninsula,   Phalen, 
1. 
Guatemala. 
Alta  Verapaz,  Sapper,  3. 
Asche  des  Vulkans  Sta.  Maria,  Brauns, 
1,  2. 
Cendres    d'un    volcan    pres    du    Santa 
Maria,  Ordonez,  5. 
Petrology— Continued . 
Guatemala — Continued.    • 
Produkte  des  Ausbruchs  am   S.   Maria, 
Bergeat,  3. 
Frodukte  Vulkan  S.  Maria,  Bergeat,  2. 
Hawaiian  Islands. 
Trachyte  in  Hawaii,  Cross  (W.),  6. 
Idaho. 
Geological     reconnaissance     across     the 
Bitterroot     Range     and     Clearwater 
Mountains,   Lindgren,   21. 
Geology    and    water    resources    of    Nez 
Perces  County,   Russell,   2. 
Geology  and  water  resources  of  Snake 
River  Plains,  Russell,  5. 
Geology  of  Idaho  and  Oregon,  Russell, 
8. 
Iowa. 
Analysis  of  dolomite  rock,  Knight  (N.), 
6. 
Dolomites     of     eastern     Iowa,     Knight 
(N.),    5. 
Iowa   dolomite,   Knight    (N.),   1. 
Kentucky. 
Lead,    zinc,    and    fluorspar    deposits    of 
western  Kentucky,  Ulrich,  8. 
Maine. 
Andesites    of    the    Aroostook    volcanic 
area,  Gregory   (II.  E.),  1. 
Geological    study    of   the    Fox    Islands, 
Smith  (G.  O.).  2. 
Maryland. 
Basic  rocks  of  northeastern  Maryland, 
Leonard,  1. 
Geology    of    crystalline    rocks    of    Cecil 
County,  Bascom,  1. 
Structure    of    the    Peidmont    Plauteau, 
Mathews,  5. 
Massachusetts. 
Alkalisyenit    von    Beverly,    Wright    (F. 
E.),  3. 
Calcite-prebnite   cement   rock   irom   the 
Holyoke  Range,  Emerson   (B.  K.),  (>. 
Geology      of     the     Weston      aqueduct, 
Crosby,  12. 
Geology  of  Worcester,  Mass.,  Perry  and 
Emerson.  1. 
Holyokeite    from    the    Trias   of    Massa- 
chusetts,  Emerson    (B.    K. ) .    3. 
Igneous     rocks     of     Neponset     Valley, 
Crosby,  15. 
Medford  dike  area,  Wilson   (A.  W.  G.), 
1. 
Physical     geography,     etc.,     of     Essex 
County,  Mass.,  Sears.  1. 
Plumose   diabase   and   palagonite   from 
Holyoke    trap    sheet,     Emerson     ( B. 
K.),  9. 
Rocks    of    the    Weston    aqueduct,    War- 
ren, 2. 
Structural    relations    of    amygdaloidal 
melaphyre,  Burr,  1. 
Mexico. 
Analisis     y    clasificacion     de     granate, 
Villarello,  7. 
Copper  deposits  at  San  Jose,  Kemp,  32. 
