766  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,      [buli  .177. 
Syenite-porphyry  in  Montana,  microscopic  petrography  of Bull  139,  pp  106-108 
Syenitic  inclusions  in  granite,  analysis  of,   from  Montana,  Castle  Mountain 
district Bull  139,  pp  135,  136;  Bull  168,  p  130 
Syenitic  rocks,  thin  section  of,  from  Montana,  Threeforks Bull  110,  p  53 
Sylvania  sandstone  of  Ohio Ann  8,  p  565 
Syncline  of  Lake  Superior  Basin Ann  3,  pp  174-179;  Mon  v,  pp  410-418 
Synopsis  of  American  fossil  Bryozoa,  including  bibliography  and  synonymy.  .Bull  173 
Syntagmatite,  chemical  constitution  of Bull  125,  p  91 
Synthesis  or  mixing  in  igneous  rocks,  processes  of Ann  18,  m,  pp  307-308 
Syria,  asphaltum  industry  in,  statistics  of MR  1893,  pp  667-669 
Szekso,  analysis  of,  from  Hungary Bull  60,  p  36 
Table  Mountain,  Colorado,  minerals  from  basalt  of Bull  20,  pp  13-39 
Tachatna  series  of  pre-Tertiary  rocks  of  Alaska.  .Ann  20,  vn,  pp  157, 159, 179, 187,  235 
Tachy lite-basalt,  analysis  of,  from  Connecticut,  near  Meriden Ann  21, 
in,  p  81;  Bull  148,  p  79;  Bull  168,  p  35 
Tacoma,  Mount.     (See  Rainier,  Mount.) 
Tacoma  quadrangle,  Washington,  forest  conditions  in Ann  21,  v,  pp  578-579 
geology  of GF  54 
Taconian  or  Taconic  system Bull  86,  pp  243,  379,  390,  464-466,  474,  passim 
Taconic,  on  use  of  name Bull  30,  pp  65-70 
Taconic  Range  in  Vermont Ann  13,  n,  pp  339-340 
geology  of,  literature  of Bull  86,  pp  361,  363,  379,  390,  393 
Taconic  synclinorium,  description  of Ann  13,  n,  pp  317-319 
Taeniophyllea?  from  Lower  Coal  Measures  of  Missouri Mon  xxxvn,  pp  247-256 
Taff  (J.  A.) ,  Camden  coal  field  of  southwestern  Arkansas Ann  21,  n,  313-329 
geology  of  McAlester-Lehigh  coal  field,  Indian  Territory Ann  19, 
in,  pp  423-456 
work  in  charge  of,  1895-1900 Ann  17, 
i,  pp  22-23;  Ann  19,  i,  p  40;  Ann  20,  i,  p  43;  Ann  21,  i,  p  77 
Taff  (J.  A.)  and  Adams  (G.  I.),  geology  of  eastern  Choctaw  coal  field,  Indian 
Territory Ann  21,  n,  pp  257-311 
Taff  (J.  A.)  and  Brooks  (A.  H.),  geology  of  Buckhannon  quadrangle,  West 
Virginia GF  34 
Taff  (J.  A.),  Willis   (B.),  and  Darton    (N.   H.),  geology  of  Piedmont  quad- 
rangle, Maryland-West  Virginia GF  28 
Tahkandit  series  of  Alaska,  distribution,  correlation,  etc. ,  of Ann  18, 
in,  pp  169-175,  257-258;  Alaska  (1),  p  23 
Tahoe  Lake  as  a  reservoir  for  irrigation  purposes Ann  11,  n,  pp  169-173 
water  of,  analysis  of Mon  xi,  p  42 
Talc,  analysis  of,  from  Colorado,  Leadville  district  (Chinese) . .  .Mon  xn,  pp  560-603 
analysis  of,  from  North  Carolina,  Jackson  County Bull  74,  p  61 
from  North  Carolina,  Nantahala  River,  near  mouth  of Bull  74,  p  61 
from  Virginia,  Fairfax  County Bull  78,  p  13 
chemical  constitution  of Bull  125,  pp  94-95, 106 
composition  of Bull  150,  p  40 
deposits  of,  in  New  York,  St.  Lawrence  County Ann  18,  v  cont,  pp  1072-1074 
production  of,  statistics  of MR  1882,  p  585;  MR  1885,  pp  534-535;  MR 
1889-90,  p  476;  MR  1891,  p  594:  MR  1892,  p  814;  MR  1893, 
pp  625-626;  Ann  16,  xv,  512-513;  Ann  17,  in  cont,  pp  815-816; 
Ann  18,  v  cont,  pp  1071-1075;  Ann  19,  vi  cont,  pp  313-314; 
Ann  20,  vi  cont,  pp  553-555;  Ann  21,  vi  cont,  pp  415-417 
Talc-schist  of  Sierra  Nevada Ann  17,  i,  p  579 
Talcott  diabase  in  Holyoke  quadrangle,  Connecticut  and  Massachusetts. .  .GF  50,  p  6 
Tallahatta  or  Orangeburg  formation,  correlation  of Ann  18,  n,  p  344 
