warman.]  BEDDING— BERYL.  1(57 
Bell  Mountains.     (See  Little  Belt  Mountains. ) 
Belugite  group  of  igneous  rocks,  definition  of,  and  description  of  species  from 
Alaska Ann  20,  vn,  pp  189,  209-210 
Bementite,  chemical  constitution  of Bull  125,  pp  82,  105 
Bench  gravels  in  .Montana GF  55,  p  2 
Bench  marks,  law  requiring  establishment  of,  their  form,  etc Ann  17,  i,  pp  7-11; 
Ann  18,  i,  pp  92,  225-228 
Bend  formation  of  California GF  15,  p  1 
Benjamin  (M.),  mineral  paints,  statistics  of..  MR  1885,  pp  524-533;  MR1886,  pp  702-714 
Bennettitaceae  of  Cretaceous  of  Black  Hills Ann  19,  n,  pp  598-641 
ofMesozoic,  older,  of  North  Carolina Ann  20,  n,  pp  302-303 
of  Triassic  of  Pennsylvania Ann  20,  n,  p  248 
Benton  fi  >rmation  of  Colorado,  Denver  Basin Mon  xxvn,  pp  26,  65-66,  87, 107 
of  Kansas,  southwestern Bull  57,  pp  27-30;  WS  6,  pp  31-32 
of  Montana,  Castle  Mountain  district Bull  139, p  46 
Judith  Mountains Ann  18,  in,  p  482 
of  Nebraska,  southeastern WS  12,  p  19 
of  Rocky  Mountain  region,  correlation  of  . '. Bull  82,  p  191 
of  Wyoming . Bull  119,  p  22 
Benton  group  of  Colorado,  eastern Ann  17,  n,  pp  564-566,  571 
of  (  olorado,  Elmoro  quadrangle GF  58,  p  1 
of  upper  Missouri  River  region Bull  82,  pp  211,  229 
Benton  shale  of  ( 'olorado.  Anthracite-  ( 'rested  Butte  district GF  9,  pp  6,  9 
of  ( 'olorado,  Aspen  district Mon  xxxi,  p  41 
of  M < mtana .GF  1,  p  2;  GF  55,  p  2 
of  Nel  >raska .' Ann  19,  iv,  pp  737,  760 
of  Wy<  .min-' GF  30,  p  5 
Benzoic  acid,  compn  gsibility  of Bull  92,  p  36 
Berea  gril  in  Ohio Bull  150,  pp  75-77 
in  Ohio  as  a  source  of  gas MR  1892,  pp  682-684 
Berea  sandstone  and  shale  in  Ohio  as  a  water  carrier Ann  19, 
iv,  pp  647-648,  685-690 
Berea  shale  and  gril  in  Michigan WS  30,  pp  84-85 
Berberidacese,  extinct,  of  North  America Mon  xxxv,  p  97 
Berkshire  County,  Massachusetts,  geology  of  eastern Bull  159 
Berkshire  schist  of  Massachusetts.  Mount  Greylock Mon  xxiii,  pp  182-184, 190 
of  New  York .Ann  13,  n,  pp  303-308,  333 
of  New  York-Vermont Ann  19,  in,  pp  191-192 
Bermudas,   marine  Mollusca,   comprising  the   Quaternary  fossils  and  recent 
forms,  from . Bull  24 
Bernardston  formation  of  Massachusetts  and  Connecticut .Mon  xxix, 
pp  253-299;  GF  50,  p  3 
Bertrandite,  chemical  constitution  of Bull  125,  pp  70, 105 
Beryl,  analysis  of,  from  Maine,  Winslow Bull  55,  p  53 
analysis  of,  from  North  Carolina,  Alexander  ( iounty Bull  74,  p  4*7 
from  Tennessee,  Greene  County Bull  9,  p  11 
chemical  constitution  of Bull  125,  pp  95-96, 106 
occurrence  and  statistics  of MR  1882,  p  487; 
MR  1883-84,  pp  738-740,  781;  MR  1885,  pp439,  443;  MR 
1886,  p  604;  MR  1887,  pp  556,  557,  559;  MR  1888,  pp  580-581, 
584-585;  MR  1889-90,  pp  446-447;  MR  1891,  p  539;  MR 
1892,  pp  765-766,  781;  MR  1893,  pp  681,682,  696-697;  Ann 
16,  iv,  pp  600,  604,  605;  Ann  17,  in  cont,  p  923;  Ann  18, 
v  cont,  pp  1203,  1217;  Ann  19,  vi  cont,  p  513;  Ann  20, 
vi  cont,  pp  576-577,  599;  Ann  21,  vi  cont,  pp  450-451, 461 
