wabman.]  STRUCTUEE SULPHUR.  761 
Structure,  relation  of  vein  systems  to,  in  Nevada  City  and  Grass  Valley  dis- 
tricts   Ann  17,  n,  pp  167-168,  260 
types  of Ann  13,  it,  pp  219-223 
(See,  also,  Diastrophism;  Fault;  Unconformity.) 
Stubbs  (W.  C. ),  phosphate  rock  in  Alabama MR  1883-84,  pp  794-803 
Stuntz  (G.  R.) ,  observations  on  Lake  Superior  by Ann  18,  m,  pp  601-602 
Sturgeon  quartzite  of  Michigan,  Crystal  Falls  district „...Ann  19, 
in,  pp  105-110, 125;  Mon  xxxvi,  pp  398-405, 430-431 
of  Michigan,  Menominee  district GF  62,  pp  2-3 
Sturgeon  River  tongue,  Michigan,  geology  of Ann  19, 
hi,  pp  146-151;  Mon  xxxvi,  pp  458-487 
Subaerial  decay  of  rocks  and  origin  of  red  color  of  certain  formations Bull  52 
Subirrigation  in  Colorado,  San  Luis  Valley \nn  21,  ;v.  pp  L'63-265 
in  Kansas,  western \im  21,  i v,  p  222 
pipes  and  hydrants  used  in Ann  L3,  in,  pp  338-341 
Subsidence  in  Coastal  Plain GF  13,  p  5;  GF  23,  p  3 
in  Texas,  Nueces  quadrangle GF  42,  p  3 
of  line  solid  particles  in  liquids Bull  36;  Bull  <ii),  pp  139-145 
of  Mount  Desert,  Maine,  during  and  after  Glacial  period,  evidences  of Ann  8, 
ii,  pp  1009-1034 
of  Nantucket  Island Bui  1  :>:;,  ]  .| .  28-30,  48 
Subsidence  and  elevation  in  Massachusetts,  Cape  Ann  district,  evidences  of 
recent \nn  9.  pp  567-574 
inferred  from  Cenozoic  and  Mesozoic  rocks  of  Alabama Bull  4:;,  pp  L36-138 
(See,  also,  Diastrophism.) 
Substitution  theory  of  formation  of  quicksilver  ores Mon  on, pp  394-401 
Sucarnoochee series  of  Alabama,  correlation  of \nn  is,  n, p  348 
Succinidse,  nonmarine  fossil,  of  North  America Ann  3,  p  457 
Sudbury  River,  Massachusetts,  How  of,  measurements  of Ann  20, 
iv,  pp  46,  74-75;   Bull  140,  pp  35-37;  WS  35,  |>  37 
Sud worth  (G.  B.),  Battlement  Mesa  Forest  Reserve Ann  20,  v,  pp  181-243 
Stanislaus  and  Lake  Tahoe  forest  reserves,  California,  and  adjacent  terri- 
tory   \ mi  L'  1 .  v,  pp  499-561 
White  River  Plateau  Timber  Land  Reserve Ann  20,  v,  pp  1 1 7-1 79 
Suessonian  formation  of  England  and  France,  correlation  of \nn  IS,  it,  p  346 
Sugarloaf  arkose  of  Connecticut  and  Massachusetts Mon  xxix, 
pp  354-358;  GF  50,  p5 
Sulphantimonite,  analysis  of,  from  Colorado,  Augusta  Mountain  and  Crested 
Butte Bull  60,  pp  116,  117 
Sulphate,  analyses  of,  from  Arizona,  Mohave  County  ( cupric  ) Bull  55,  p  55 
analysis  of,  from  California,  Knoxville Bull  61,  p  24 
from  Colorado,  Leadville  district  (basic) Mon  xn,  p  550 
from  Utah,  Tintic  mining  district  (basic) Ann  19,  in,  p  707 
Sulphate  of  lime  as  an  impurity  of  brines Ann  7,  pp  500-504 
Sulphate  of  soda,  analysis  of,  from  Colorado,  Morrison MR  1882,  p  604 
analysis  of,  from  Wyoming,  various  localities MR  1882,  p  603 
residue  from MR  1887,  p  639 
salts  from Bull  60,  p  29 
statistics  of MR  1882,  pp  603-604 
Sulphates.     (See  the  various  minerals. ) 
Sulphates,  basic  ferric Mon  xn,  pp  549-550 
Sulphide  minerals,  solubility  of Ann  17,  n,  p  179 
Sulphur  in  California,  Sulphur  Bank,  deposition  of Mon  xin,  p  254 
