314  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,      [bull.  177. 
Eocene  r<  >cks;  Washakie  group  of  Wyoming,  correlation  of Ann  18, 
ii,  p  343;  Bull  83,  pp  117, 118, 119 
White  Bluff  marl  of  Arkansas,  correlation  of Ann  18,  n,  p  343 
White  limestone  of  Southern  States Bull  83,  pp  64-66;  Bull  84,  p  338 
White  River  group  of  South  Dakota,  correlation  of Ann  18, 
ii,  p  341;  Bull  84,  p  338 
Wilbur  tuff-lentil  of  Oregon GF  49,  pp  2-3 
Willow  Creek  beds  of  Colorado  (name  abandoned.) Bull  84,  p  338 
Wills  Point  clays  of  Texas Bull  83,  p  78;  Bull  84,  p  321 
Wilmington  beds  of  North  Carolina,  correlation  of Ann  18,  n,  p  344 
Wind  River  group  of  Wyoming Bull  83, 
pp  113, 114, 120, 125, 140-141, 145, 146;  Bull  84,  p  338 
(See  Green  River  group. ) 
Woods  Bluff  series  of  Alabama Bull  84,  pp  321 ,  338 
( See  Bashi  series. ) 
Yentna  beds  of  Alaska,  southwestern,  notes  on Ann  20,  vn,  pp  172, 183, 187 
Zeuglodon  beds  of  Alabama,  correlation  of Ann  18,  n,  p  342 
(See,  also,  Tertiary. ) 
Eocene  and  Upper  Cretaceous  rocks  on  Pacific  coast,  faunal  relations  of . . . .  .Ann  17, 
i,  pp  1005-1060 
Eocene  time,  conditions  in  California  and  Oregon  during Ann  14,  n,  pp  424-425 
Eolian.     (See  iEolian.) 
Eo-Lignitic  beds Bull  84,  p  325 
Eparchean  proposed  as  name  for  system  of  rocks  between  Archean  and  Paleo- 
zoic.. Ann  7,  pp  454-455;  Bull  86,  pp  148,461-462,  475,  493 
Epeirogenic  elevation,  dependence  of  lake  levels  on Mon  xxv,  pp  227-237 
Epeirogenic  movements,  apparent  dependence  of,  on  glaciation .  .Mon  xxv,  pp  492-501 
relationship  of,  to  glaciation Mon  xxv,  pp  516-521 
Epeirogeny.      (See  Diastrophism.) 
Epichlorite,  analysis  of Bull  1 13,  p  1 8 
Epididyniite,  chemical  constitution  of Bull  125,  pp  74,  105 
Epidiorite,  analysis  of,  from  California,  San  Francisco  Peninsula  (hornblende 
facies) Ann  15,  p  455 
from  Michigan,  Marquette  region Bull  62,  p  145 
thin  section  of,  from  Michigan,  Upper  Quinnesec  Falls Bull  62,  pp  230-231 
Epidote  a  product  of  mineralogic  metamorphism Bull  62,  p  211 
an  alteration  product  of  chlorite Mon  in,  pp  75,  213,  370,  384 
of  feldspar Mon  xn,  pp  341 ,  357 ; 
Bull  28,  pp  31-32;  Bull  59,  p  35;  Bull  62,  pp  108,  211 
analysis  of,  from  Austria,  Untersulzbachthal Ann  1 5,  p  707 
from  Colorado,  Gunnison  County Bull  113,  p  1 12 
from  Maine,  Phippsburg Bull  167,  p  70 
from  Maryland,  Woodstock Ann  15,  p  707;  Bull  64,  p  42 
from  Massachusetts,  Rowe Bull  126,  p  79 
from  North  Carolina,  Macon  County Bull  74,  p  50 
chemical  constitution  of Bull  125,  pp  21, 103 
composition  of Bull  150,  p  43 
formation  of,  circumstances  favoring Mon  in,  pp  211-213 
not  at  the  expense  of  feldspar Mon  in,  pp  76,  216 
in  Minnesota,  southwestern,  in  gneisses  of Bull  157,  p  59 
in  rocks  of  Pacific  slope Mon  xni,  p  86 
occurrence  and  statistics  of MR  1883-84,  pp  766-767;  MR  1888,  p  581; 
Ann  17,  in  cont,  p  924;  Ann  18,  v  cont,  p  1217;  Ann  19,  vi 
cont,  p  513;  Ann  20,  vi  cont,  p  599;  Ann  21,  vi  cont,  p  461 
