warman.]  EBENACE.E ELEVATION.  305 
Elasmobranchii  from  Devonian  and  Carboniferous  rocks  of  North  America Mon 
xvi,  pp  37-41, 195-210 
from  Eocene  of  middle  Atlantic  slope Bull  141,  pp  61-63 
Elba,  iron  ores  from,  analyses  of MR  1886,  p  101 
Eldridge  (G.  H.),  Alaskan  coast  from  Lynn  Canal  to  Prince  William  Sound.. Alaska 
(2),  pp  103-104 
extreme  southeastern  coast  of  Alaska Alaska  (2),  pp  101-102 
geologic  reconnaissance  across  Idaho Ann  16,  n,  pp  211-276 
geologic  reconnaissance  in  northwest  Wyoming Bull  119 
reconnaissance  in  Sushitna  Basin  and  adjacent  territory,  Alaska,  in  1898.  .Ann  20, 
vn,  pp  1-29 
sedimentary    formations  of   Anthracite  and    Crested  Butte  quadrangles, 
Colorado GF  9,  pp  6-10 
Sushitna  drainage  area Alaska  (2),pp  111-112 
umtaite  (gilsonite)  deposits  of  Utah Ann  17,  i,pp  909-949 
work  in  charge  of,  L890-1900 Ann  12,  pp  82-84;  Ann  13,  i, 
pp  117-118;  Ann  14,  i,  p  250;  Ann  15,  pp  158-160;  Ann  16,  i, 
pp  23,  29;  Ann  17,  i,  pp  29-39;  Ann  18,  i,  pp  32-33;  Ann  19, 
i,  p|»  37,  47,  53,  116,  117;  Ann  20,  i,  p  41;  Ann  21,  i,  p  L02 
Eldridge   (G.H.)  and    Muldrow  (R.),  report  of    Sushitna  expedition  (1898), 
Alaska Alaska  (2),  pp  15-27 
Eldridge  (G.    II.),  Emmons    (S.    F.),  and   Cross    (W.),    geology   of  Denver 
Basin,  Colorado Mon  xxvn 
Electric  activity  of  ore  bodies Ann  2,  pp  320-324;  Mon  in,  pp  309-367,  400-404 
Electric  conductivity  of  mercury,  effect  of  pressure  on Bull  92,  pp  68-77 
Electric  conductivity  and  resistance,  measurement  of Bull  14,  pp  36-38 
Electric  conductivity  and  temperature,  relation  between Bull  14,  pp  15-27 
Electric  observation  and  assays  of  Eureka  ore  deposits Mon  vn,  pp  142-144 
Electric  Peak,  Yellowstone  Park,  descriptive  geology  and  intrusive  rocks  of. . 
Mon  xxxii,  ii,  pp  50-55,  92-121, 138-148 
Electric  Peak  and  Sepulchre  Mountain,  Yellowstone  Park,  eruptive  rocks  of.. 
Ann  12,  i,  pp  569-664 
Electric  pyrometers,  calibration  of Bull  54,  pp  84-125, 165-238 
Electric  resistance  and  density,  relation  between,  when  varying  with  temper 
of  steel Bull  27,  pp  30-50 
Electric  resistance,  strain,  temper,  and  viscosity Bull  94,  pp  31-33 
Electric  and  magnetic  properties  of  iron  carburets Bull  14 
Electro-thermal  measurement  of  high  temperatures Ann  4,  pp  53-59;  Bull  54 
Electrolysis  in  metallurgy  of  copper,  lead,  zinc,  etc MR  1882,  pp  627-658 
of  their  silver  salts,  indirect  estimation  of  chlorine,  bromine,  and  iodine  by, 
with  experiments  on  convertibility  of  silver  salts  by  action 
of  alkaline  haloids Bull  42,  pp  89-93 
Elements,  chemical,  relative  abundance  of Bull  78,  pp  34-42 
Elevation  of  Bonneville  Basin,  surface  of,  by  expansion  due  to  change  of  cli- 
mate  Mon  i,  pp  425-426 
of  California,  northern  Sierras Ann  8,  i,  pp  426-432 
of  Piedmont  region Ann  8,  i,  pp  425-426 
of  each  State  and  Territory,  mean Ann  13,  n,  p  289 
of  Kansas Bull  154,  p  12 
of  Mount  Desert  Island  during  and  after  Glacial  period.. Ann  8,  n,  pp  1009-1034 
of  United  States,  average Ann  13,  n,  pp  283-289 
(See,  also,  Altitudes;  Height;  Diastrophism. ) 
Elevation  and  subsidence  inferred  from  Cenozoic  and  Mesozoic  rocks  of  Ala- 
bama  Bull  43,  pp  136-138 
Bull.  177— 01 20 
