240  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,      [bull.  177. 
Coke,  analysis  of,  from  West  Virginia,  Coketon,  Davis  seam. .  .Ann  14,  n,  pp  587,  588 
analysis  of,  from  West  Virginia,  Custer  mine Ann  14,  n,  p  590 
from  West  Virginia,  Davis Bull  90,  p  75 
Flat  Top  district Ann  16,  iv,  p  294; 
MR  1885,  p  127;  MR  1887,  p  426;  MR  1888,  p  439 
Kanawha  district MR  1883-84,  p  208; 
MR  1885,  p  121;  MR  1887,  p  424 
Monongah  (foundry) Ann  16,  iv,  p  297;  MR  1892,  p  599 
Montana MR  1887,  p  428 
New  River  district Ann  16,  iv,  p  296; 
MR  1883-84,  p  210;  MR  1892,  p  597 
Piedmont Bull  60,  p  169 
Pocahontas,  Flat  Top  district MR  1892,  p  596 
Potomac  coal  basin MR  1883-84,  p  213;  MR  1887,  pp  429,  430 
Preston  County MR  1883-84,  p  211;  MR  1886,  p  428 
Tucker  County Bull  64,  p  54 
various  localities MR  1886,  p  374;  MR  1887,  p  379 
in  Virginia  (natural) Bull  85,  p  37 
Richmond  Basin Ann  19,  n,  p  511 
manufacture  of,  statistics  of... MR  1882,  pp  48,  72,  98-101;  MR  1883-84,  pp  144- 
213;  MR  1885,  pp  74-129;  MR  1886,  pp  378-438;  MR  1887, 
pp  383-435;  MR  1888,  pp  .'595-441;  MR  1891,  pp  357-402; 
MR  1892,  pp  551-602;  MR  1893,  pp  415-460;  Ann  16,  iv,  pp 
218-304;  Ann  17,  in  cont,  pp  543-620;  Ann  18,  v  cont,  pp 
659-747;  Ann  19,  vi,  pp  545-642;  Ann  20,  vi,  pp  509-608; 
Ann  20,  vi  cont,  pp  227-228,  231-232;  Ann  21,  vi,  pp  521-633 
Coke  fields  in  United  States,  extent  and  character  of,  and  processes  used  in MR 
1892,  pp  551-554;  MR  1893,  pp  415-417;  Ann  16,  iv,  pp  219-225 
Coke  making;  by-product,  development  of Ann  19, 
vi,  pp  597-585;  Ann  20,  vi,  pp  544-554;  Ann  21,  vi,  pp  558-567 
in  upper  Potomac  region Ann  14,  n,  pp  587-588 
Coking  in  Europe  and  other  countries MR  1886,  pp  430-437;  MR  1887,  pp 432-435 
Coldbrook  group  of  rocks  of  New  Brunswick Bull  86,  pp  230-238 
Coldwater  shales  of  Michigan WS  30,  p  84 
Colemanite,  analyses  of,  from  California,  Death  Valley Bull  55,  p  57 
Coleoptera,  adephagous  and  clavicorn,  from  Tertiary  deposits  at  Florissant, 
Colorado,  with  descriptions  of  a  few  other  forms  and  a 
systematic  list  of  nonrhynchophorous  Tertiary  Coleoptera 
of  North  America Mon  xl 
Coleoptera,  rhynchophorous,  Tertiary,  of  United  States Mon  xxi 
Coles  Brook  limestone  of  western  Massachusetts Mon  xxix,  p  27 
Colfax  quadrangle,  California,  geology  of GF  66 
Colloidal  silver,  contribution  to  knowledge  of Bull  113,  pp  102-108 
Colloidal  sulphides  of  gold Bull  90,  pp  56-61 
Collyrite,  chemical  constitution  of Bull  125,  pp  66, 104 
Colombia,  gold  and  silver  production  of,  compared  with  that  of  other  countries.  .MR 
1883-84,  pp  319,  320 
iron  and  iron  ore  from,  statistics  of Ann  16,  in,  pp  24,  63-64 
manganese  deposits  and  production  of Ann  17, 
in,  pp  208-209,  224;  Ann  18,  v,  pp  313-316,  328; 
Ann  20,  vi,  pp  142,  156;  Ann  21,  vi,  pp  151-152,  162 
petroleum  in Ann  21,  vi  cont,  p  184 
