436  INDEX    TO    PUBLICATIONS    OF    U.    8.   GEOL.    SURVEY,     [bull.  177. 
Kyanite.     (See  Cyanite. ) 
La  Motte  sandstone  of  Missouri,  character  and  occurrence  of Bull  132,  pp  12-14 
La  Plata  dome,  Colorado,  description,  origin,  erosion,  etc.,  of GF  60,  pp  8-11 
La  Plata  formation  of  Colorado GF  57,  pp  3;  GF  60,  pp  3-4 
La  Plata  Mountains,  Colorado,  geology  of,  literature  of Bull  86,  pp  323-324 
geology,  topography,  etc. ,  of .  .GF  60,  pp  1-2 
glaciation  of Mon  xxxiv,  pp  338-340 
structure  and  rocks  of Ann  14,  n,  pp  206-209 
La  Plata  quadrangle,  Colorado,  geology  of GF  60 
La  Plata  River,  Colorado,  course  and  character  of GF  60,  p  1 
profile  of WS  44,  p  85 
La  Plata  sandstone  in  Colorado,  Rico  Mountains Ann  21,  n,  pp  28,  73-76 
La  Sal  Mountains,  Utah,  structure  and  rocks  of Ann  14,  n,  pp  217-219 
Labrador  or  Labradorian  group Bull  86,  pp  351-352,  381,  446,  passim 
Labradorian  rocks  in  New  Hampshire Bull  86,  pp  351-355 
Labradorite,  analysis  of,  from  Minnesota,  Pigeon  Point Bull  109,  p  34 
analysis  of,  from  North  Carolina,  Clay  County Bull  74,  p  54 
chemical  constitution  of Bull  125,  p  28 
composition  of Ann  21,  vi  cont,  p  594 
occurrence  of MR  1882,  p  495; 
MR  1887,  p  563;  MR  1893,  p  700;  Ann  17,  in  cont,  p  916 
Labradorite  inclusions  in  diorite-porphyry  of  Colorado,  Ophir  Loop GF  57,  p  7 
Labradorite-basalt  from  Philippine  Islands . . Ann  21,  in,  p  512 
Labradorite-porphyrite,  analysis  of,  from  Michigan,  Michigamme Bull  148,  p  97 
Laccolithic  centers  of  eruption,  comparison  of  Rico  Mountains  with Ann  21, 
ii,  pp  94-97 
J >acc(  ilithic  mountain  groups  of  Colorado,  Utah,  and  Arizona Ann  14, 
ii,  pp  157-241;  Ann  21,  n,  pp  94-96 
Laccolithic  mountains  of  Colorado,  Telluride  quadrangle GF  57,  p  12 
Laccolithic  rocks,  analyses  of,  from  Montana,  various  localities. .  .* Ann  20, 
in,  pp  559,  560 
of  Colorado,  Telluride  quadrangle GF  57,  p  7 
of  Colorado,  Utah,  and  Arizona,  intrusive  masses,  chemical  composition 
and  general  discussion  of Ann  14,  n,  pp  224-235 
Laccoliths  in  Black  Hills Ann  21,  in,  pp  163-303 
in  California,  near  San  Francisco,  the  Presidio,  etc Ann  15,  pp  450-456 
in  Colorado,  Anthracite  quadrangle GF  9,  pp  7,  8 
La  Plata  Mountains GF  60,  pp  8-11 
Mosquito  Range Mon  xn,  pp  149, 1-55, 164, 190, 193,  296,  301,  305,  306 
Telluride  quadrangle Ann  21,  n,  p  96;  GF  57,  p  14 
Walsenburg  quadrangle GF  68,  p  3 
in  Montana,  Fort  Benton  quadrangle GF  55,  p  4 
Judith  Mountains Ann  18,  in,  pp  576-583 
Little  Belt  Mountains.  .Ann  20,  in,  pp  317,  327,  333,  354-357,  387-396,  559-563 
in  Yellowstone  Park Mon  xxxn,  n,  pp  13-16,  60-64,  84 
origin  and  cause  of Ann  18,  in,  pp  584-586 
theories  of,  and  views  of  theories Ann  14, 
ii,  pp  165-168,236-241;  Ann  21,  in,  pp  283-290 
theory  and  types  of Ann  20,  in,  pp  392-395 
types  of Ann  18,  in,  pp  579-582 
Laccoliths  and  intrusive  sheets,  discussion  of Mon  xn,  pp  295-304 
Lacoe  (R.  D. ),  collection  of  plants  of,  secured  by  National  Museum.  .Ann  13,  i,  p  154 
Lacustral  clay,  analysis  of,  from  California  Warm  Spring Ann  8,  i,  p  307 
Lacustral  history  of  Mono  Basin,  California Ann  8,  i,  pp  287-319 
