warm  an.  I  TEXAS THRUSTS.  785 
Thermo-mineral  springs  in  United  States  (eastern) Ann  14,  n,  pp  43-44 
Theropoda  of  North  America Ann  16,  i,  pp  146-151, 153-163,  203-206 
remarks  on  European Ann  16,  i,  p  163 
Thetis  hair  stone,  occurrence  and  statistics  of MR  1882,  p  491 
Thibet,  quicksilver-ore  deposits  in MR  1892,  p  161 
Thinolite,  chemical  nature  of Bull  12,  pp  22-25 
crystalline  form  of  original Bull  12,  pp  20-22 
crystallographic  study  of.  .Ann  8,  i,  pp  315-318;  Mon  xi,  pp  194-201;  Bull  12,  p  14 
of  California,  Mono  Basin Ann  8,  i,  pp  315-317,  320;  Bull  12,  pp  19-20 
of  Nevada,  Lake  Lahontan,  crystallographic  study  of Ann  8,  i, 
pp  315-318;  Mon  xi,  pp  194-200;  Bull  12 
Walker  Lake Bull  12,  p  20 
relation  of,  to  gaylussite  pseudomorphs Bull  12,  pp  25-28 
Thinolitir  tufa  of  Nevada,  Lake  Lahontan  Basin Mon  \i,  pp  102-201 
Thompson  (A.  II.  ).  reporl  on  construction  of  topographic  map-,  and  selection 
and  survey  of  reservoir  sites  in  basin  of  Arkansas   Liver 
in  ( lolorado \im  L3,  tn,  pp  420-444 
report  on  location  and  survey  of  reservoir  sites  during  fiscal  year  ending 
June  30,  L891  \un  12,  n.  pp  L-212 
report  on  location  and  survey  of  reservoir  sites  during  fiscal  year  L891-92.. 
Ann  I.'!,  in.  pp  445-478 
report  on  topographic  branch  of  irrigation  survey  for  L888-1890 Ann  10, 
ii,  pp  (15-77;   Ann  11,  n.  pp  291-343 
report  on  topographic  work  during  L890-189]  Vim  Li,  i,  pp  42  52 
work  in  charge  of,   L891-1894 \nn  13, 
i,  pp  75-83;  Ann  14,  i,  pp  L75-182;   Ann  L5,  pp  L19   12'.) 
Thompson  (G.).  quoted  on  glaciers  of  .Mount  Shasta \nn  5,  pp  332-334 
work  in  charge  of,  L881-82 Ann  3,  pp  32-41 
Thomsonite,  analysis  of Lull  12."),  p  35 
analysis  of  spherules  of,  from  Colorado,  Table  Mountain Bull  20,  pp  L8,  25 
chemical  constitution  of Lull  L25,  pp  34,  35,  4  1,  L02 
from  Table  Mountain,  Colorado,  chemical  identification  of Bull  20,  pp  18-19 
general  description  and  chemical  composition  of Bull  20,  pp  24-27 
occurrence  and  statistics  of MR  1882, 
P  496;  MR  1883-84,  p  774;  MR  1885,  p  443;  ML  L886, 
P  (i()4;  ML  1SS7,  pp  556-557;  MR  1888,  pp  584-585;  MR 
L889-90,  pp  446,  447.  448;  ML  L891,  p540;  ML  L892,  p781; 
MR  1893,  pp  681,  682;  Ann  lti,  iv,  pp  604,  605;  Ann  17, 
in  cont,  p  924;  Ann  18,  v  cont,  p  1217;  Ann  19,  vi  cont,  p  513; 
Ann  20,  vi  cont,  pp  501-592,  599;    Ann  21,  vi  cont,  p  461 
Thomsenolite,  analysis  of Bull  20,  pp  52,  54 
from  Colorado,  near  Pikes  Peak,  occurrence  and  description  of  .Bull  20,  pp  55-56 
Thonstein  (tuff),  analyses  of,  from  Saxony,  near  ( Ihemnitz Bull  62,  p  153 
Thoria,  isomorphism  of Bull  113,  pp  41-43 
Thorite,  chemical  constitution  of Bull  125,  pp  77-78,  105 
Thorium  and  uranous  sulphates,  isomorphism  and  composition  of.  .Bull  90,  pp  26-33 
Three  Forks,  Montana,  Paleozoic  section  near Bull  110 
Three  Forks  limestone  in  Wyoming GF  30,  p  4;  GF  52,  p  2 
in  Yellowstone  Park Mon  xxxn,  n,  pp  7,  22,  23,  26,  58,  153,  160,  206,  213 
Three  Forks  quadrangle,  Montana,  geology  of GF  24 
Three  Forks  shales  in  Montana. ..Bull  110,  p  29;  GF  1,  p  2;  GF  24,  p  2;  GF  55,  p  2 
description  and  sections  of Ann  20,  in,  pp  289,  329,  363 
features  of Bull  139,  p  38 
Thrusts,  types  and  diagrams  of Ann  13,  n,  pp  226-230 
Thrusts,  Appalachian Ann  13,  n,  pp  268-274 
Bull.  177—01 50 
