500 
INDEX    TO    NORTH    AMERICAN    GEOLOGY 
Geologic  formations  described — Continued. 
Bolinas  sandstone,  California,  Lawson 
(A.  C),  9. 
Bolin  Creek  sandstone  member  of  Eliza- 
beth formation,  Ordovician,  Missouri, 
Ball  and  Smith.  1. 
Bolsa  quartzite,  Cambrian.  Arizona, 
Ransome,  0,  11,  14. 
Bolton  gneiss,  Massachusetts,  Perry 
and  Emerson,  1. 
Bonita  sandsone.  California.  Lawson 
(A.  C.i.  9. 
Bonneterre  limestone,  Cambrian,  Mis- 
souri, Bain  and  Ulrich,  2. 
Boone  formation,  Carboniferous.  Ar- 
kansas, Adams  I  (J.  I.),  3. 
Boone  forma  I  ion,  Carboniferous,  Kan- 
sas.  Adams.    Haworth,   and  Crane,    1. 
Boone  formation.  Carboniferous,  Mis- 
souri. Bain,   13. 
Boone  limestone,  Carboniferous,  Ar- 
kansas, Ulrich,  5. 
Boone  limestone  and  chert,  Carbonif- 
erous.  Arkansas,  Adams    (G.   I.),  15. 
Boone  beds.  Carboniferous  (Mississip- 
pian),  Kansas.  Wooster,  1,  2. 
Boone  formation.  Carboniferous,  Indian 
Territory,  Taff,   17. 
Boone  formation.  Mississippian,  Ar- 
kansas. Adams  and  I'lrich.  1. 
Boscabel  bowlder  beds,  Triassic,  Vir- 
ginia. Woodworth,    I. 
Bossardville  limestone,  Silurian.  New 
Jersey,  Weller,  6. 
Bossardville  shale,  Silurian,  New  York, 
Hartnagel,  2. 
Boston  group,  Carboniferous,  Arkansas. 
Adams    iC.    I.i.  :'>. 
Bradford  schist,  ordovician.  Vermont, 
Richardson   (C.  H.),  2. 
Bradford  ian,  Carboniferous,  Penhsyl 
vania,  Girty,  10. 
Bradshaw  granite,  Arizona,  Jaggar  and 
Palache,  i. 
Bragdon  formation.  pre-Cretaceous, 
Califoi  nia.  Hershey,  2. 
Bragdon  formation.  Carboniferous,  Cal- 
ifornia. Diller,  12.  18. 
Bragdon  formation,  Jurassic,  Califor- 
nia, Hershey,  21 . 
Brandon  clays.  Tertiary.  Vermont, 
Woodworth.  s. 
Braxton  formation,  Carboniferous,  West 
Virginia,  Campbell  (M,  R.),  2. 
Brazil  formation.  Carboniferous,  In- 
diana, Fuller  and  Ashley,  1. 
Brentwood  (Pentremital)  limestone, 
Carboniferous,  Arkansas,  Ulrich,  5. 
Brentwood  limestone  lentil.  Carbonif- 
erous, Arkansas,  Adams  and  Ulrich, 
1. 
Bretonlan  division,  Cambrian,  Canada, 
Matthew   (G.  F.  i.  20. 
Brevard  schist,  Cambrian,  North  Caro- 
lina, Keith,  12. 
Briceville  shale.  Carboniferous,  Ten- 
nessee, Keith,  1, 
Geologic  formations  described — Continued. 
Bridgeton   formation,    Pleistocene,   New 
Jersey,  Kiimmel  and  Knapp,  1. 
Bridgeton   formation,   Pleistocene,   New 
Jersey,  Salisbury,  1. 
Bridgeton      formation,      New      Jersey, 
Smock,  1. 
Brier  slate.  Algonkian,   Michigan,   Bay- 
ley,  1 
Brimfield   schist,   Massachusetts,   Perry 
and  Emerson.  1. 
Bronson    beds.    Carboniferous,    Kansas, 
Wooster,  1,  2. 
Bronson       formation.        Carboniferous, 
Kansas,  Adams.  Haworth,  and  Crane, 
1. 
Brownsport    bed,    Silurian,    Tennessee, 
Foerste,  7. 
Brownstown    beds.    Cretaceous,    Texas, 
Hill  <R  T.),  3. 
Brownwood  division  (Canyon  division), 
Carboniferous.    Texas,    Hill    (R.    T.), 
3. 
Brule    clay.     Tertiary,     South     Dakota, 
Darton.  8. 
Brule    formation,    Tertiary,    Wyoming, 
Nebraska,  Adams  (G.  I.),  4. 
Brule    clay,    Oligocene,    Tertiary,    Neb- 
raska, Barbour  (E.  II.),  8. 
Brule  clay.  Tertiary,  Nebraska,  Darton, 
10. 
Brule   formation    (Oligocene)    Tertiary, 
Wyoming,  Smith  (W.  S.  T.),  1. 
Brunswick  series,  included  in  Newark, 
New  Jersey,  Knapp  (G.  N.),  1. 
Buchanan    gravels,    Tleistocene,    Iowa, 
Norton,  1. 
Buchanan     gravel,     Pleistocene,     Iowa, 
Udden,  2. 
Buchanan    gravels,    Quaternary,    Iowa, 
Calvin,  10. 
Buchanan    gravels.    Pleistocene.     Iowa, 
Savage.  7,  8. 
Buchanan    gravels.    Pleistocene,     Iowa, 
Macbride,  4. 
Buda     formation,     Cretaceous,     Texas, 
Hill   (R.  T.),  3. 
Buda  limestone,  Cretaceous,  Texas,  Hill 
and  Vaughan,  1. 
Buda     limestone,     Cretaceous,     Texas, 
Shattuck,  8. 
Buda  limestone  (?),  Cretaceous,  Texas, 
Udden  (Johan  A.),  11. 
Buffalo  sandstone,  Carboniferous,  West 
Virginia,  White  (I.  C).  7. 
Buena    Vista    member,    Carboniferous, 
Ohio,  Prosser  and  Cumings,  1. 
Buena  Vista  shale,  Cambrian,  Virginia, 
Campbell   (II.  D. ) ,  1. 
Buffalo  sandstone.  Carboniferous,  Mary- 
land, Clark  and  Martin,  0. 
Burden  conglomerate,  Ordovician,  New 
York,  Grabau,  9. 
Burgen    sandstone,    Ordovician,    Indian 
Territory,  Taff,  17. 
Burgoon  (Mountain)  limestone,  Carbon- 
iferous, Pennsylvania,  Butts,  4. 
