506 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Geologic  formations  described — Continued. 
Comanche  Peak  beds,  Cretaceous.  Texas, 
Hill   (R.  T. ).  3. 
Comanche  Peak  limestone,  Cretaceous, 
Texas,  Hill  and  Vaughan,  1. 
Commercial  limestone  member.  Carbon- 
iferous, Utah,  Keith,  13. 
Como  beds,  exact  synonym  Atlantosau- 
rus  beds,  Cretaceous,  Wyoming,  Wil- 
liston,  2. 
Como  beds,  Jurassic.  Wyoming,  Stan 
ton,  4. 
Conasauga  shale,  Cambrian.  Tennessee, 
Keith.  1. 
Conasauga  formation.  Cambrian,  Ala 
barna,  Hayes  (C.  W.t.  5. 
Conasauga  shale,  Cambrian,  Georgia, 
Watson   (T.  L. ) .  9. 
Concreto  shale.  Carboniferous,  Kansas, 
Adams.   Ilawoiih.  and  Crane,   1. 
Conemaugh  formal  ion,  <  !arboniferous, 
Maryland.  Prosser,  ."..   1. 
Conemangh  format  ion.  Carboniferous, 
Maryland.  Included  in  Coal  Meas 
ures.  Includes  Lower  Mahoning 
sandstone,  Mahoning  limestone,  Ma- 
honing coal.  Upper  Mahoning  sand 
stone.  Masontown  coal.  Lower  Cain 
bridge  limestone,  Buffalo  sandstone. 
Upper  Cambridge  limestone,  Dower 
red  shales,  Bakerstown  coal,  Salts 
burg  sandstone.  Crinoidal  coal,  Ames 
or  Crinoidal  limestone.  Elklick  coal, 
Morgantown  sandstone.  Clarksburg 
limestone.  Franklin  or  Little  Clarks 
burg  coal.  Connellsville  sandstone 
Lower  Pittsburg  limestone,  and  Low- 
er Pittsburg  coal,  Clark  and  .Martin. 
5. 
Conemaugh  formation,  Carboniferous, 
Maryland.  Martin    (G.  C),   L 
Conemangh  formation.  Carboniferous, 
Pennsylvania,  White  and  Campbell,  1. 
Conemaugh  format  ion,  <  !arboniferous, 
Pennsylvania,  Campbell  (M.  R  I,  6, 
8,  18. 
Conemaugh  formation  (Lower  Barren 
Coal  Measures),  Carboniferous,  Ohio. 
Prosser,  10. 
Conemaugh  series.  Carboniferous,  West 
Virginia,  White  (I.  C),  7. 
Conemangh  formation.  Carboniferous, 
Pennsylvania,  Butts,   1.  <">,  7. 
Conemaugh  formation.  ( !arboniferous, 
Pennsylvania,  Richardson   iO.  B.),3. 
Conemangh  formation.  Carboniferous, 
Maryland,  Clark  and  Martin,  6. 
Conemangh  formation,  Carboniferous, 
Maryland.    Martin.   16. 
Conemangh  formation.  Carboniferous 
(Pen  n  sy  1  v  a  nian),  Pennsylvania, 
Woolsey.    'A. 
Conemangh  formation.  Carboniferous, 
Pennsylvania,  Stone   (R.  W. ».  6   8. 
Connellsville  sandstone.  Carboniferous, 
West  Virginia.  White   (I.  C),  7. 
Geologic  formations  described — Contimied. 
Connellsville  sandstone,  member  of 
Conemangh  formation.  Carbonifer- 
ous, Pennsylvania,  Campbell  (M.  R.), 
s.  18. 
Connellsville  sandstone,  Carboniferous, 
Pennsylvania,  Richardson  (G.  BO,  3. 
Connellsville  sandstone,  Carboniferous, 
Maryland,  Clark  and   Martin,  6. 
Connellsville  sandstone,  Carboniferous, 
Pennsylvania,  Stone   (R.  W.),  7,8. 
Connoquenessing  sandstone,  Carbonif- 
erous, Pennsylvania,  Butts,  4,  0. 
Connoquenessing  sandstone,  Carbonif- 
erous. Maryland,  Clark  and  Martin, 
6. 
Contention  series.  Arizona,  Blake  (W. 
P.),  s. 
Contention  shale,  Arizona,  Church,  1. 
Contra  Costa  beds.  Tertiary,  Califor- 
nia.  Anderson.  7. 
Conway  granite,  Azoic,  New  Hamp- 
shire. Perry,  1. 
Cook  Mountain  heds.  Eocene,  Tertiary, 
Texas.   Naves  and  Kennedy,  1. 
Coos  series.  Silurian,  New  Hampshire, 
Hitchcock   (C.  II. i.  lo. 
Coralline  limestone,  Silurian,  New 
York.  Hartnagel,  1. 
Corniferous,  Devonian,  Ontario,  Parks, 
l. 
Corniferous  group,  Devonian,  New 
York.  Schneider,  1. 
Corniferous  limestone.  Devonian,  Ohio, 
Claypole,  5. 
Corniferous  limestone.  Devonian,  Mis- 
souri, Gallaher,  1. 
Corniferous  or  Jeffersonville  limestone, 
Devonian,   Indiana.   Newsom,  .".. 
Corniferous  period.  Devonian,  New 
Yoik.  Schneider,  1. 
Corniferous  Hamilton  period,  Devonian, 
Ohio.  Claypole,  :> 
Corniferous  formation.  Devonian.  Can- 
ada. Corkill,  2. 
Cornwall  limestone.  Silurian,  New 
York.   Eckel,  6. 
Coronado  quartzite,  Cambrian,  Arizona, 
Lindgren,  28,  29. 
Corryville  beds.  Ordovician,  Ohio  and 
Indiana.   Nickles,  •".. 
Corryville  beds,  Ordovician,  Kentucky, 
Nickles.   6. 
Corryville  heds.  Ordovician,  Indiana, 
I'oerste.   11. 
Corsicana  beds,  Cretaceous.  Texas,  Hill 
(R.  t.i.  :;. 
Corwin  series.  Mesozoic,  Alaska.  Schra- 
der.   I.  ::. 
Corwin  group,  Mesozoic.  Alaska,  Col- 
lier,  11'. 
Cottonwood  limestone.  Carboniferous, 
Kansas.  Beede,  6. 
Cottonwood  limestone.  Carboniferous, 
Kansas.  Adams.  Girty,  and  White,  1. 
Cottonwood  limestone.  Carboniferous, 
Nebraska,  Barbour  (E.  II.),  8. 
