734 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Petrology— Continued. 
M  cxico — Continued. 
Criadero  de  flerro  del  Cerro  de  Mercado, 
Durango,  Rangel,  1. 
Criaderos  de  fierro  de  la  hacienda  de 
Vaquerias,  Villarello  and  Bose,  1. 
Geology  of  nepheline  syenite  area  at 
San  Jose,  Taniaulipas,  Finlay  (G.  I.), 
7. 
Geology  of  San  Pedro  district,  Fin- 
lay   (G.  I.),  5. 
Geology  of  the  San  Jose  district,  Fin- 
lay  (G.  I.),  8. 
Geology  of  western  Mexico,  Farrington, 
13. 
In  San  Cristobal  gefallene  Asche, 
Schottler,   1. 
Nauhcampatepetl  6  Cofre  de  Ferote, 
Ordonez,  18. 
Natiirlicher  Koks  in  den  Santa  Clara 
Kohlenfeldern,  Sonora,  Ocbsenius,  1. 
Profil  durch  den  Ostabfall  der  Sierra 
Madre  Oriental.  Bose,  2. 
Rhyolitas,  Ordonez,   1. 
Rocas  de  Chiapas  y  Tabasco,  Ordoiiez, 
14. 
Roche  basaltique  de  la  Sierra  Verde, 
Kroustchoff,   1. 
Section  across  the  Sierra  Madre  Occi- 
dental of  Chihuahua  and  Sinaloa, 
Weed,  9. 
Vulkanische  Asche,   Schmidt,    1. 
Xinantacatl  ou  volcan  Nevado  de  Tolu- 
ca,  Ordonez,  7. 
Michigan. 
Geological  cross  sections  of  Keweenaw 
Point,  Hubbard   (L.  L.),  1. 
Menominee  district  of  Michigan,  Bay- 
ley,  1. 
Notes  on  rocks  and  minerals  of  Michi- 
gan, Wright  (F.  E.),  6. 
Tamarack  Mine  cross  section,  Lane,  45. 
Minnesota. 
Dalles  of  the  St.  Croix,  Berkey,  1. 
Etude  mineralogique  et  petrographique 
des  roches  gabbroiques  de  l'Etat  de 
Minnesota,  Winchell   (A.  N.),  1. 
Keeweenawan  area  of  eastern  Minne- 
sota, Hall  (C.  W.),  3. 
Keewatin  area  of  eastern  and  central 
Minnesota,  Hall  (C.  W.),  4. 
Mesabi  iron-bearing  district  of  Minne- 
sota, Leith,  4. 
New  iron-bearing  horizon  in  Keewatin 
in  Minnesota,  Winchell   (N.  IL),  1. 
Origin  and  development  of  iron  ores 
of  Mesabi  and  Gogebic  iron  ranges, 
Leith,   8. 
Secondary  origin  of  certain  granites, 
Daly,    11. 
Spherulitic  texture  in  the  Archean 
greenstones  of  Minnesota,  Clements, 
6. 
Vermilion  iron-bearing  district  of  Min- 
nesota, Clements,  3, 
Petrology — Continued. 
Missouri. 
Lead  and  zinc  deposits  of  Mississippi 
Valley,  Keyes,  20. 
Montana. 
Geological  reconnaissance  across  the 
Bitterroot  Range  and  Clearwater 
Mountains,  Lindgren,  21. 
Geology  and  ore  deposits  of  Elkhorn 
mining   district,    Weed,    5. 
Igneous  rocks  of  Algonkian  series,  Fin- 
lay   (G.  I.),  4. 
Igneous  rocks  of  Highwood  Mountains, 
Pirsson,  4. 
Microscopical  petrography  of  Elkhorn 
mining  district,  Barrell,  1. 
Missourite,  a  new  leu  cite  rock,  Weed 
and  Pirrson,  2. 
Petrographic  province  of  central  Mon- 
tana, Pirrson,  5. 
Petrography  of  Square  Butte,  Pirrson, 
3. 
Petrography  of  Yogo  peak,  Pirsson,  1. 
Shonkin  Sag  and  Palisade  Butte  lacco- 
liths   in    the    Highwood    Mountains, 
Weed  and  Pirsson,  1. 
Nevada. 
Geology  of  region  of  Walker  River, 
Smith  (D.  T.),  2. 
Geology    of    the    Tonopah    mining    dis 
trict,    Spurr,    20. 
Newfoundland. 
Variolitic  pillow  lava,  Daly,  9. 
New  Hampshire. 
Albany  granite  and  its  contact  phe- 
nomena,   Hawes,   2. 
Composition  of  labradorite  rocks,  Dana, 
1. 
Eruptive  rocks   in  Campton,   Hawes,   1. 
Geology  of  Littleton,  Hitchcock  (C. 
H.),  10. 
Geology  of  Monadnock  Mountain, 
Perry,  2. 
Geology  of  Mount  Kearsarge,  Perry,  1. 
Geology  of  the  Belknap  Mountains, 
Pirsson  and  Washington,  1. 
Rocks   of  Lake  Winnepesaukee,    Wash- 
ington, 3. 
New  Jersey. 
Glauconite,  Prather,  3. 
Leucite-tinguaite  from  Beemerville, 
Wolff,  1. 
Serpentines  of  Manhattan  Island,  New- 
land,  1. 
.Veto  Mexico. 
Analcite-bearing  camptonite  from  New 
Mexico,  Ogilvie,  2. 
Geology  of  Cerillos  Hills,  Johnson    (D. 
W.),    6. 
New  York. 
Adirondack  augite-andesite,  Cushing, 
1. 
Eruptive  dikes  in  Syracuse, .  Schneider, 
4. 
Exposure  of  serpentine  at  Syracuse, 
Kraus,   1. 
