316  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,      [bull.177. 
Eruptive  rocks  of  Colorado,  Mosquito  Range Mon  xn,  pp  74-89,  292-313,  322-354 
of  Idaho Ann  16,  n,  pp  234-247 
of  Michigan- Wisconsin,  Penokee  series Ann  10,  I,  pp  436-438 
of  Sierra  Nevada,  western  slope Bull  89 
of  Yellowstone  Park Ann  12,  i,  pp  569-664 
origin  of,  especially  those  of  California Mon  xiii,  pp  164-175,  459 
(See,  also,  Igneous  rocks.) 
Eruptive  and  sedimentary  rocks  of  Minnesota,  Pigeon  Point,  and  their  contact 
phenomena Bull  109 
Escondido  beds  of  Texas Bull  164,  pp  26-28 
Eskers  of  Illinois,  northwestern. Mon  xxxviii,  pp  76-82 
reticulated Mon  xxxiv,  pp  448-467 
(See  Glaciology,  Karnes,  Osars.) 
Eskimos  and  Indians  of  Alaska,  southwestern,  notes  on Ann  20,  vn,  pp  71-76 
Esmeralda  formation  of  Nevada,  character,  distribution,  age,  and  fossil  con- 
tents of Ann  21,  n,  pp  191-226 
Espafiola  Valley,  New  Mexico,  irrigation  in Ann  1 2,  n,  pp  258-261 
Essexite,  analysis  of,  from  Massachusetts,  Salem  Neck Bull  165,  p  183 
analysis  of,  from  Norway Bull  1 65,  p  176 
Essonite,  occurrence  and  statistics  of MR  1882,  p  488 
Estillville  quadrangle,  Kentucky-Virginia-Tennessee,  geology  of GF  12 
Estimation,  colorimetric,  of  small  amounts  of  chromium,  with  special  refer- 
ence to  the  analysis  of  rocks  and  ores Bull  167,  pp  37-43 
Estimation,  volumetric,  of  vanadium   in  presence  of  small  amounts  of  chro- 
mium, with  special  reference  to  the  analysis  of  rocks  and 
ores Bull  167,  pp  44-48 
Ether,  compressibility  and  thermal  expansion  of Bull  92,  pp  28-30 
Etowah  River,  Georgia,  flow  of,  measurements  of Ann  18, 
iv,  pp  94-96,  108-109;  Ann  19,  iv,  pp  242-243;  Ann  20, 
iv,  pp  51,  189-190;  Ann  21,  iv,  pp  144-145;  WS  11,  pp 
25-27;  WS  15,  p  48;  WS  27,  pp51,  57,  58;    WS  36,  pp  143-144 
profile  of WS  44,  p  31 
Ettingshausen  (Constantin,  Freiherr  von)  biographic  sketch  of Ann  5,  pp  380-381 
Euchlorite,  analyses  of,  from  Massachusetts,  Chester Bull  126,  p  40 
Euclase,  chemical  constitution  of Bull  125,  pp  70,  105 
occurrence  of MR  1883-84,  pp  740-741 
Eucolite,  chemical  constitution  of Bull  125,  p  76 
Eucryptite,  chemical  constitution  of Bull  125,  pp  16,  18,  88,  101 
Eudialyte,  chemical  constitution  of Bull  125,  p  76,  105 
Eudidymite,  chemical  constitution  of Bull  125,  pp  13,  74,  105 
Eulimidae  from  clays  and  marls  of  New  Jersey Mon  xvin,  pp  150-151 
Eulytite,  chemical  constitution  of Bull  125,  pp  67,  101 
Euralite,  analysis  of Bull  113,  p  17 
chemical  constitution  of Bull  125,  p  54 
Eureka  district,  Nevada,  description  and  history  of Ann  1, 
pp  32-35,  38;  Ann  2,  pp  21-34;  Mon  vn,  pp  1-4 
geology  of Ann  1 ,  p  70; 
Ann  2,  pp  xvm-xx;  Ann  3,  pp  237-290;  Mon  xx  and  atlas 
mining  geology  of Ann  4,  pp  221-251 ;  Mon  vn 
paleontology  of Mon  vm;  Mon  xx,  pp  319-333 
silver-lead  deposits  of Mon  vn 
Eureka  limestone  of  Utah Ann  19,  in,  pp  622-624 
Eureka  quartzite  of  Nevada Ann  3,  pp  253,  262;  Mon  vn,  p  8;  Mon  xix,  pp  54-57 
