730 
TNDEX    TO    NORTH    AMERICAN    GEOLOGY 
Pennsylvania — Continued . 
Alleged  Parker  channel,  Williams  (E. 
II.).  1. 
Anthracite  coal  fields,  Storrs  (A.  H.), 
1. 
Anthracite  coal  near  1'erkiomen  Creek, 
Carter    (O.    S.   C),   2. 
Anticlinal  folds,  Hopkins  and  Small- 
wood,  1. 
Barite  in  Pennsylvania,  Stose,  2. 
Bamesboro-Patton  held,   Burrows,   1. 
Basal  conglomerate  in  Lehigh  and 
Northhampton    counties,    Peck,    2,    3. 
Beaver  folio,  Pennsylvania,  Woolsey,  3. 
Bituminous  coal  field  of  Pennsylvania. 
White  and  Campbell,   1. 
Brownsville-Connellsville  folio,  Camp- 
hell   (M.  R.),  8. 
Buried  valley  of  Wyoming,  Corss,  1. 
Buried  valley  of  Wyoming,   Griffith.   1. 
Carboniferous  of  the  Appalachian  basin, 
Stevenson  (J.  J.),  G. 
Catskill  rocks  in  northern  Pennsyl- 
vania, Fuller   (M.  L.),  4. 
Caves  of  Huntingdon  County,  Morgan- 
roth,  1. 
Cement  belt  in  Lehigh  and  Northamp- 
ton counties,   Peck,   5. 
Cement  materials  and  industry  of  the 
United  States,  Eckel,  34. 
Cement-rock  deposits  of  the  Lehigh  dis- 
trict, Eckel,  26. 
Charbons  gras  de  la  Pennsylvanie  et  de 
la   Virginie  occidentale,  Heurteau,   1. 
Clays  of  Great  Valley  and  South  Moun- 
tain  areas,    Hopkins    (T.   C),   4. 
Clays  of  Pennsylvania,  Woolsey,  1. 
Clays  of  southeastern  Pennsylvania, 
Hopkins    (T.  C),  1. 
Clays  of  the  United  States,  Ries,  6. 
Clays  of  upper  Ohio  and  Beaver  River 
region,  Hice,  2. 
Coal  Measures  of  bituminous  regions. 
Adams    (T.   K.),   1. 
Coal  Measures  of  central  Pennsylvania, 
Pluck,   1. 
Coal  mining  in  the  Wilmore  basin, 
Butts,  3. 
Composition  of  petroleum,  Mabery.  2. 
Connellsville  region  mineral  resources, 
Eavenson,  1. 
Contributions  to  Devonian  paleontol- 
ogy, Williams  and  Kindle,  1. 
Contributions  to  mineralogy,  Eyerman, 
1. 
Correlation  of  Piedmont  formations, 
Mathews,  6. 
Current  notes  on  physiography,  Davis 
(W.  M.),  41. 
Deposition  of  Appalachian  Pottsville, 
White    (D.),   15. 
Description  of  four  meteorites,  Ward 
(H.  A.),  3. 
Ebensburg  folio,  Pennsylvania,  Butts, 
7. 
Elders  Ridge  coal  field,  Stone  (R.  W.), 
1,   7. 
Pennsylvania— Continued. 
Elkland-Tioga   folio,   Fuller  and  Aldeu, 
Extra-morainic  pebbles  in  Pennsyl- 
vania, Woolsey,  2. 
Gaines  folio,  Fuller  and  Alden,  1. 
Gaines  oil  field,  Fuller  (M.  L.),  3. 
Geographic  development  of  northern 
Pennsylvania  and  southern  New 
York,  Campbell  (M.  R.),  9. 
Geological  excursion  in  Pittsburg  re- 
gion, Grant   (U.  S.),  4. 
Geology  of  Pittsburg  district,  White 
(I.   C),   6. 
Gisements  de  minerals  de  zinc,  De- 
maret,  1. 
Glacial  formations  and  drainage  fea- 
tures of  Erie  and  Ohio  basins,  Lev- 
erett,   4. 
Glacial  gravels  of  the  Kittanning 
quadrangle,   Leverett,   10. 
Graphite  and  garnet,  Hopkins  (T.  C), 
3. 
Hyner  gas  pool,  Fuller  (M.  L.),  9. 
Indiana  folio,  Richardson   (G.  B.),  3. 
Kansas  glaciation  and  its  effects  on  the 
river  system  of  northern  Pennsyl- 
vania, Williams  (E.  H.),  2. 
Kittanning  folio,  Butts,  4. 
Latrobe  folio,  Campbell  (M.  R.),  18. 
Limestones  of  southwestern  Pennsyl- 
vania, Clapp,  4. 
Lodel  Creek  and  Skippack  Creek, 
Lyman,  2. 
Lower  Carboniferous  of  Appalachian 
basin,  Stevenson   (J.  J.),  2,  4. 
Masontown-Uniontown  folio,  Camp- 
bell   (M.  R.),  6. 
Mauch  Chunk  of  Pennsylvania,  Steven- 
son   (J.   J.),   1. 
Meteoreisen-Studien,  Cohen,  4. 
Meteoreisen  von  Millers  Run  bei  Pitts- 
burg, Cohen,  7. 
Mineral  resources  of  Elders  Ridge 
quadrangle,   Stone    (R.   W.),   8. 
Misnamed  Indiana  anticline,  Richard- 
son (G  B.),  1. 
New  species  of  Olenellus,  Wanner,  1. 
New  Xiphosuran  from  Upper  Devonian 
of  Pennsylvania,   Beecher,   5. 
Northward  flow  of  ancient  Beaver 
River,  Hice,  1. 
Occurrence  of  serpentine  and  talc, 
Teck,  1. 
Oil  and  gas  fields  of  Greene  County, 
Stone   (R.  W.),  2. 
Oil  and  gas  in  the  vicinity  of  Philadel- 
phia, Carter  (O.  S.  C),  3. 
On  spangolite,  Penfield,  3. 
Ordovician  section  near  Bellefonte, 
Collie,  3. 
Origin  of  anticlinal  folds  near  Mead- 
ville,  Smallwood  and  Hopkins,  1. 
Original  southern  limit  of  Pennsyl- 
vania anthracite  beds,  Lyman,  4. 
Pennsylvania  anthracite  coal  field, 
Stoek,  1. 
