warman.]  CRYSTALLINE DACITE.  271 
Currents  as  agents  <  >f  littoral  transportation Ann  5,  pp  85-86;  Mon  i,  p  37 
Curtis  (J.  S.  I,  administrative  report  for  L884-85 Ann  6,  p  71 
mining  geology  of  Eureka  district,  Nevada Ann  4,  pp  221-251 
quantitative  determination  of  silver  by  means  of  microscope. .Ann  6,  pp  323-352 
silver-lead  deposits  of  Eureka,  Nevada Mon  vn 
Cuspidine,  chemical  constitution  of Bull  125,  p  99 
Custer  County,  Colorado,  mines  of Ann  17,  n,  pp  405-472 
Cuvier  prize,  award  of,  to  <  reological  Survey,  by  Academy  of  Sciences  of  Insti- 
tute of  France Ann  13,  i,  pp  61-66 
Cuyahoga  shale  of  Ohio  as  a  water  bearer \nn  1 9,  iv,  pp  648,  685-690 
Cyanite,  analysis  of,  from  Arizona,  Clip Bull  78,  p  120 
analysis  of,  from  Massachusetts,  <  Ihesterfield Bull  126,  p  65 
from  North  Carolina,  I  raston  ( lounty  and  near  Statesvfflle Bull  74,  p  59 
chemical  constitution  of Bull  125,  pp  15,  95, 106 
occurrence  of MR  1883-84,  p  748;  M R  1887, 
p  563;  Ami  17,  in  cont,  p  910;  Ann  19,  vi  cont,  p  508 
thin  section  of,  from  Massachusetts,  Beckei Bull  159,  pp  26-27 
( Jycadacese  <  >f  A  laska Ann  17,  i,  p  880 
of  Aml.oy  clays Mon  xxvi,  pp  44-46 
of  Cretaceous  of  Black  Hills Vim  19,  n,  pp  (565-668 
of  Dakota  group Mon  xvn,  pp  26-31 
of  Mesozoic  of  California Ann  20,  n,  pp  354-361 
of  Mesozoic,  Older,  from  North  Carolina Vim  20,n,pp  289-301 
of  North  America  (extinct) M<  >n  xxxv,  pp  16-17 
of  Triassic  of  Pennsylvania Vim  20,  n,  pp  242-247 
of  Virginia Mon  vi,  pp  84-85 
Cycadean  trunks  of  Black  Hills Vnn  19,  n,  pp  594-641 
of  Colorado  and  Wyoming,  Jurassic Ann  20,  n,  pp  377-417 
of  Europe  and  America Ann  16,  i,  pp  484-487 
Cyclic  twisting Bull  94,  pp  33-39 
Cylichnidae  from  clays  and  marls  of  New  Jersey Mon  xvnr,  p  164 
Cymatolite,  analysis  of,  from  Massachusetts,  Goshen Bull  126,  p  67 
Cyperacere  from  Alaska Ann  17,  i,  p  880 
fr<  mi  Yellowstone  Park Mon  xxxn,  n,  pp  684-685 
Cypraeida?  from  clays  and  marls  of  New  Jersey Mon  xviii,  pp  120,  223 
( lypridse,  E<  icene,  from  Utah Bull  34,  p  32 
Cyprinida?  from  clays  and  marls  of  New  Jersey. .  .Mon  ix,  pp  24-2S,  144-152,  215-216 
fr< mi  Colorado  formation Bull  106,  pp  104-106 
from  Cretaceous  of  Pacific  coast Bull  133,  p  60 
from  Pleistocene  of  Great  Basin Bull  11,  p  23 
Cyprus,  gypsum  production  of Ann  19,  vi  cont,  p  585;  Ann  20,  vi  cont,  p  666 
ocher  production  of Ann  19,  vi 
cont,  ]>  641;  Ann  20,  vi  cont,  p  727;  Ann  21,  vi  cont,  p  578 
Cy renidse  of  Bear  River  formation Bull  128,  pp  36-38 
of  Colorado  formation Bull  106,  pp  101-104 
of  Laramie  of  Utah Bull  34,  pp  21-22 
of  North  America,  nonmarine  fossil Ann  3,  pp  435-440 
of  Puget  group Bull  51,  pp  58-6 
Cyrtolite,  analyses  of,  from  Colorado,  Pikes  Peak  region Bull  55,  p  52 
chemical  constitution  of Bull  125,  p  76 
Dacite,  analysis  of,  from  California,  Lassen  Peak  region Bull  9,  p  16; 
Bull  148,  p  193;  Bull  150,  p  215;  Bull  168,  pp  178,  179,  180 
analysis  of,  from  California,  San  Clemen te  Island Ann  18,  n,  p  488 
from  Colorado,  Bald  Mountain,  near  Rosita Ann  17, 
ii,  p  324;  Bull  148,  p  167;  Bull  168,  p  i49 
