^bman.]  BIOTITE BITUMINOUS.  l7l 
Bi<  A  ite-p<  »rj  >hyrite,  thin  seel  ion  « >f,  fr<  »m  Colorado,  Leadville  district Mon  xn, 
pp  336-337 
Biotite-quartz-monzonite,  analysis  of,  from  California,  Sierra  County...  Bull  168,  p  192 
Biotite  rocks  of  Colorado,  Telluride  quadrangle GF  57,  p  7 
Biotite-schisl  of  -Michigan,  Crystal  Falls  district Mon  xxxvi,  pp  467-469 
<>f  Michigan,  Marquette  district Ann  15, pp  513-514;  Mon  xxvm,  pp  196-198 
thin  section  of,  from  Michigan,  sec.  3,  T.  47  X.,  R.  30  W Mon  xxvm,  p  197 
from  Wisconsin.  NE.  ',  ^r.(\  T.  44  X.,  R.  2  W.,and  NE.  i  sec.  4,  T.  44 
N. ,E.3W Ann  10,  i,  pp  506-507;  Mon  xix,  pp  516-517 
Biotite-slate,  thin  section  of,  from  Wisconsin,  sec.9,T.  44  X.,  R.  3  W Ann  10, 
i,  pp  502-503,504-505;  Mon  xix,  pp  514-515 
thin  section  of ,  from  Wisconsin,  SE.|  sec.  10,  T.  44  N.,  R.  3  W Mon  xix, 
pp  516-5 1 7 
from  Wisconsin,  NE.  |  sec.  17,  T.  44  X.,  R.  3  W Mon  xix,  pp  486-487 
SE.  |  s,c  12,T.45  X.,  I;.  1  W Mon  xix,  pp  516-517 
Biotite-trachyte,  analyses  of,  from  Yellowstone  Park,  Absaroka  Range. Bull  168,p98 
Biotite-vulsinite  from  Italy.  Rocca  Monfino  region,  characters  and  analysis  of..  Bull  89, 
pp  92-93,  96 
Birch  Creek  series  of  Alaska,  characteristics,  distribution,  etc,  of Ann  18, 
in,  pp  140-145, 255-256;  Alaska  (1),  p  22 
Bird  Mountain,  Vermont,  a  study  of Ann  20,  n,  pp.  9-23 
"Bird  track-  "  of  Connecticul   River  sandstone Ann  16, 1,  p  151 
Birds,  origin  of,accoun1  of Vnn  3,  pp  86-87 
of  Alaska,  Sushitna  and   Kuskokwim  regions,  list  of ,  and  notes  on Ann  20, 
vn,  pp  76-77,  80-85 
Birds,  fossil,  with  teeth Vnn  3>pp  45-48 
Birkinbine  (J.  I,  American  blast-furnace  progress MR  1883-84, pp  290-311 
iron-ore  mining  in  1887 MR  1887,  pp  30-57 
iron  ores  easl  oi  Mississippi  River MR  1886,  pp  39-103 
iron  ores,  statistics  of MR  L889-90,pp  23-47;  MR  1891,  pp  10-46; 
MR  L892,  pp  23-45;  MR  1893,  pp  23-49;  Ann  16,  in,  pp 
21-218;  Ann  17,  in,  pp  23-43;  Ann  18,  v,  pp  23-50;  Ann  19, 
vi,  pp  23-63;  Ann  20,  vi,  pp  27-60;  Ann  21,  vi,  pp  31-67 
manganese  ore,  statistics  of T. Ann  18,  v,  pp  291-328;  Ann  19,  vi, 
pp  91-125;  Ann  20,  vi,  pp  125-158;  Ann  21,  vi,  pp  129-162 
Bishop  Mountain  conglomerate  of  Wyoming Bull  84,  p  321 
Bisilicate  minerals  in  rocks,  decomposition  of Mon  in,  p  214 
Bismuth,  statistics  of MR  L882,p440;  MR  1883-84, pp  654-655;  AIR  1885,  p  389 
Bismuthinite  from  Mexico,  Sinaloa,  description  and  analysis  of Bull  90,  p  40 
Bismutite,  analyses  of,  from  North  Carolina,  Jackson  County Rnll  74,  p  85 
Bitter  Creek  series  of  Wyoming Bull  83,  pp  117,118,121;  Bull  84,  p  322 
Ihiterroot  Forest  Reserve,  lands,  timber,  fires,  etc.,  of Ann  19, 
v,  pp  57-59,  253-282;  Ann  20,  v,  pp  317-110 
stream  measurements  in Ann  19,  iv,  pp  460-461 
Bitterroot  River,  Montana,  irrigation  on Ann  20,  iv,  pp  492-495 
(low  ( >f,  measurements  of Ann  20,  iv,  pp  62,  495;  Ann  21,  iv,  pp 
419-420;  WTS  28,  pp  163, 168-169, 170;  WS  38,  pp  3tJ7-369 
Bitumens,  geologic  distribution  of Ann  11,  i,  pp  594-603 
l>it.h  coal  of  Coos  Bay  coal  field,  Oregon Ann  19,  in,  pp  370-376 
Bituminous  coal.     (See  Coal.) 
Bituminous  coal  field  of  Pennsylvania,  Ohio,  and  West  Virginia,  stratigraphy 
of Bull  65 
Bituminous  compounds,  natural  and  artificial,  classification  of Ann  17,  i,  p  917 
Bituminous  deposits,  Tertiary Ann  11,  i,  pp  596-597 
