^04  INDEX    TO    PUBLICATIONS    OF    IT.    S.    GEOL.    SURVEY.     [!.;u.i77. 
Ebenacese  from  Yellowstone  Park Mon  xxxn,  n,  pp  751-753 
Echinidse  of  United  States,  Mesozoic Bull  07,  pp  54-57 
Echinoconidse  of  United  States,  Mesozoic; Bull  97,  pp  58-59 
Echinodermata  from  Cambrian,  lower Aim  10,  i,  pp  588,  607 
from  Cambrian,  middle,  of  North  America Bull  30,  pp  51,  94-95 
from  Colorado  formation Bull  106,  p  52 
from  Devonian,  higher,  of  Ontario  County,  New  York Bull  16,  pp  25,  63 
from  Mesozoic  of  United  States .  Bull  07 
from  Olenellus  zone Ann  10,  i ,  p  607 
from  Paleozoic  strata  of  Nevada,  Eureka  district Mon  vin, 
pp  212-213;  Mon  xx,  pp  324,  331 
from  Yellowstone  Park Mon  xxxn,  n,  pp  515-516,  608 
Echinoidea  from  Colorado  formation Bull  106,  p  52 
from  Yellowstone  Park Mon  xxxn,  n,  p  609 
of  United  States,  Mesozoic Bull  97,  p  33 
Eckart  (W.  R.),  notes  on  mechanical  appliances  used  in  mining  and  milling 
on  Comstock  lode Ann  1,  pp  50-52 
Economic  geology.     (See  the  various  substances — Coal;  Copper;  Iron  ore,  etc.) 
Ecphora  bed  of  Florida Bull  84,  pp  124,  324 
Ecuador,  petroleum  localities  and  statistics  of MR  1 893, 
p  532;  Ann  18,  v  cont,  p  892;  Ann  21,  vi  cont,  p  184 
platinum  from,  character  of Ann  16,  in,  p  628 
Edingtonite,  chemical  constitution  of Bull  125,  p  36 
Educational  series  of  rock  specimen^,  bulletin  descriptive  of Bull  150 
completion  and  distribution  of Ann  18,  i,  p  14 
Edwards  limestone  of  Texas Ann  18,  n,  pp  227-235;  Ann  21,  vn,  pp  214-216, 
L>27-240;  Bull  164,  p  16;  GF  42,  p  2;  GF  64,  p  1 
wells  from,  in  Uvalde  quadrangle GF  64,  p  6 
Edwards  Plateau,  Texas,  geographic  features  of Ann  18,  n,  pp  204-212 
Edwardsite,  analysis  of,  from  Connecticut,  Norwich Ann  16,  iv,  p  676 
Eel  River,  Indiana,  profile  of TVS  44,  p  59 
Efflorescence,  analysis  of,  from  Colorado,  Cliff  Creek  (on  sandstone)  . .  .Bull  60,  p  170 
Efflorescences,  saline,  of  Lahontan  Basin Mon  xi,  pp  230-232 
Effusive  rocks  of  Alaska Ann  21 ,  n,  pp  362-363,  364,  370-371 
of  Alaska,  Yukon  gold  district Ann  18,  in,  pp  239-250 
of  Montana,  Little  Belt  Mountains Ann  20,  in,  pp  556-557 
of  Sierra  Nevada , Ann  14,  n,  pp  484-493 
Egypt,  building  stone  from,  at  World's  Columbian  Exposition.  .MR  1893,  pp  576-577 
fossil  plants  of,  literature  of Ann  8,  n,  pp  800-802 
iron-ore  deposits  in Aim  16,  in,  pp  173-174 
petroleum  fields  and  statistics  of MR  1886,  pp  478-480;  Ann  21,  vi  cont,  p  289 
El  Late  Mountains,  Colorado,  structure  and  rocks  of Ann  14,  n,  pp  211-214 
El  Paso  reservoir,  surveys  and  plans  for Ann  13,  in,  pp  410-422 
Elseolite,  analysis  of,  from  Maine,,  Litchfield Bull  42,  pp  28-29; 
Bull  148,  p  66;  Bull  168,  p  21 
analysis  of,  from  New  Hampshire,  Moultonboro. .  .Bull  148,  p  67;  Bull  168,  p  23 
chemical  constitution  of Bull  125,  p  23 
occurrence  of , MR  1882,  p  496;  MR  1883-84,  p  770 
Elaolite-syenite,  analysis  of,  from  Maine,  Litchfield Bull  148,  p  65;  Bull  168,  p  21 
analysis  of,  from  Montana,  Crazy  Mountains Bull  90,  p  71 ; 
Bull  148,  p  145;  Bull  168,  p  123 
from  New  Hampshire,  Moultonboro Bull  148,  p  67;  Bull  168,  p  23 
from  New  Jersey,  Beemersville Bull  148,  p  80;  Bull  168,  p  39 
association  of  basic  dikes  with Bull  107,  pp  36-37 
(See  Nephelite-syenite. ) 
