508 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Geologic  formations  described — Continued. 
Dakota  stage.  Cretaceous.  Wyoming, 
Trumbull,  1. 
Dannemara  formation,  Algonkian,  New 
York,  Cushing,  2. 
Davenport  (upper  and  lower).  Devo- 
nian. Iowa,  Norton,  1. 
Day  Creek  dolomite,  Permian,  Okla- 
homa. Gould,  0,  14. 
Dayton  limestone,  Silurian,  Ohio,  Pros- 
ser,  10. 
Deadwood  formation,  Cambrian,  Black 
Hills,  Darton,  1. 
Deadwood  formation,  Cambrian,  Black 
Hills  region.  .Jaguar,  5. 
Deadwood  formation,  Cambrian,  Black 
Hills  region  and  Wyoming,  Darton, 
16,  18. 
Deadwood  formation,  Cambrian.  Wyo- 
ming, Darton  and  O'llarra,  1. 
Deadwood  formation,  Cambrian.  Wyo- 
ming and  South  Dakota,  Darton,  26. 
Decker  Ferry  limestone,  Silurian,  New 
Jersey,  Kummel  and  Weller,  2. 
Decker  Ferry  formation.  Silurian.  New 
Jersey.  Weller,  <">. 
Decker  Ferry  formation,  Silurian.  New 
York,  I iari nagel,  -. 
Deepkill  shale,  Champlainic,  New  York, 
Clarke.  20. 
Deep  River  beds,  Tertiary,  Montana, 
Douglass.  1.  8. 
Deer  Creek  limestone,  Carboniferous, 
Kansas,  Beede,  6. 
Deer  Creek  limestone.  Carboniferous, 
Kansas.  Adams.  Girty,  and  White,  1. 
Delaware  Mountain  formation.  Per- 
mian, Texas,  Richardson    <o.  B.),  4. 
Delaware  limestone.  Devonian,  Ohio. 
Prosser,  13. 
Delaware  stage.  Silurian,  Iowa,  Sav- 
age, 8. 
Delphi  dolomite.  Permian,  Oklahoma, 
Gould.  9. 
Del  Rio  clay.  Cretaceous,  Texas.  Hill 
and  Vaughan.  1. 
Del  Rio  formation.  Cretaceous,  Texas. 
Hill   (K.  T.i.  3. 
Del  Rio  clay  (?),  Cretaceous,  Texas, 
TJdden    Mohan  A.),  11. 
Denison  beds,  Cretaceous.  Texas.  Hill 
(R.  T.),  3. 
Dennis  limestone,  Carboniferous,  Kan- 
sas, Adams,  Girty,  and  White.  1. 
Dennis  limestone,  Carboniferous,  Kan- 
sas, Adams,  Haworth,  and  Crane,  1. 
Denton  subgroup.  Cretaceous,  Texas, 
Hill  (R.  T.),  3. 
Denver  formation,  Tertiary,  Colorado, 
Darton,  16. 
Denver  formation,  Teritary,  Colorado. 
Darton,  18. 
Des  Moines,  Pennsylvanian  series, 
Iowa,  Leonard.  .".. 
Des  Moines  division,  Carboniferous, 
Kansas,  Missouri,  Bain,  3. 
Geologic  formations  described — Continued. 
Des  Moines  stage,  Upper  Carboniferous 
or  Pennsylvanian  series,  Iowa.  Sav- 
age. 3. 
Des  Moines  stage,  Pennsylvanian  series, 
Iowa.  Beyer  and  Young,  1. 
Des  Moines  formation.  Carboniferous, 
Iowa.  Eckel  and  Bain,  1. 
Des  Moines  stage,  Pennsylvanian  series, 
Carboniferous,  Iowa.  Wilder,  3. 
Des  Moines  stage,  Carboniferous,  Iowa, 
TJdden  (.Ton  A.),  1. 
Des  Moines  stage,  Carboniferous,  Iowa, 
Williams   (I.  A.),  1. 
Dexter  sands.  Cretaceous,  Texas,  Hill 
(R.  T.),  3. 
Diamond  Peak  quartzite,  Nevada, 
Spurr,  6. 
Dillard  series,  Cretaceous,  Oregon, 
Louderback.  6. 
Ditney  formation,  Carboniferous.  Indi- 
ana, Fuller  and  Ashley,  1. 
Ditney  formation.  Carboniferous,  Indi- 
ana, Fuller  and  <  !lapp,  2. 
Dixon  clay,  Silurian,  Tennessee, 
Foerste,  7. 
Dog  Creek  shales.  Permian.  Oklahoma, 
Could.  9. 
Dolores  formation.  Juratrias,  Colo- 
rado. Cross  and  Spencer,  1. 
Dolores  formation,  Triassic  (?),  Colo- 
rado. Cross  (W.),  7. 
Dolores  formation,  Triassic.  Colorado, 
Cross  and  Howe,  2. 
Domijean  sands.  Tertiary.  California, 
Anderson.  7. 
Dorans  Cove  sandstone.  Carboniferous, 
Alabama,  Stevenson  (J.  .T.),  4. 
Dore  conglomerate.  Huronian,  Canada, 
Coleman  and  Willmott,  1.  2. 
Dore  formation,  Canada,  Bell  (J.  M.), 
3. 
Double  Mountain  formation.  Carbon- 
iferous. Texas,   Hill    (  R.  T. ) .  3. 
Douglas  formation.  Carboniferous,  Kan- 
sas, Rogers,  1 . 
Dover  limestone.  Carboniferous,  Kan- 
sas, Beede,  6. 
Doyle  shales.  Carboniferous,  Kansas, 
Pn  sser,  7. 
Doyle  shales.  Carboniferous,  Kansas, 
Adams.  Girty,  and  White,  1. 
Doyle  shale.  Carboniferous,  Kansas, 
Prosser  and  Beede,  1. 
Dresbach  formation.  Cambrian.  Upper, 
Wisconsin  and  Minnesota,  Berkey,  1. 
Dripping  Spring  quartzite.  Cambri- 
an  (?),  Arizona,  Ransome.  13. 
Drum  limestone,  Carboniferous,  Indian 
Territory,  Adams,  Girty,  and  White. 
1. 
Drum  shales,  Carboniferous.  Kansas, 
Adams.  Girty,  and  White,  1. 
Drum  limestone,  Carboniferous.  Kan- 
sas, Adams,  Haworth,  and  Crane,  1. 
Duck  Creek  formation,  Cretaceous,  Tex- 
as, Hill  (R.  T.),  3. 
