136  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.    SURVEY,      [bull.  177. 
Amphibolite  of  California,  Downieville  quadrangle GF  37,  p  3 
of  California,  Mother  Lode  district GF  63,  p  3 
Nevada  City  and  Grass  Valley  districts Ann  17,  n,  pp  75-78 
Ophir  district - Ann  14,  n,  pp  256-259 
Smartsville  quadrangle GF  1 8,  p  4 
Sonora  quadrangle GF  41,  p  4 
'  of  Colorado,  Mosquito  Range Ann  2,  p  215;  Mon  xn,  p  50 
of  Connecticut,  Holyoke  quadrangle GF  50,  p  4 
of  Massachusetts,  Holyoke  quadrangle .*. .  GF  50,  ]  >  4 
Hoosac  Mountain Mon  xxm,  pp  65-69 
western Mon  xxix,  pp  85,  96,  189-196,  218-220,  243-245,  290-295,  300-306 
of  Michigan,  Crystal  Falls  district Ann  19,  in,  p  105;  Mon  xxxvi,  pp  395-397 
of  Northwestern  States Ann  5,  p  211 
of  Sierra  Nevada Ann  14,  n,  pp  470-471;  Ann  1 7,  i,  p  584 
thin  section  of,  from  California,  Ophir Ann  14,  n,  pp  258-259 
from  Massachusetts,  Hoosac  Mountain Mon  xxm,  p  114 
various  localities Mon  xxix,  pp  302,  306 
from  Vermont,  Mount  Holly Mon  xxm,  pp  114-115 
Amphiholite-schist,  analysis  of,  from  California,  Downieville  quadrangle  ...Ann  17, 
i,  p  652 
of  Alaska,  Chandlar-Koyukuk  region Ann  21,  n,  pp  472-473 
Copper  Mountain Ann  20,  vn,  pp  414-415 
of  California,  Jackson  quadrangle GF  11,  p  3 
Placerville  quadrangle GF  3,  p  2 
of  Sierra  Nevada Ann  17,  i,  pp  584,  651-653,  673 
Amphidesmiidre  of  Miocene  marls  of  New  Jersey Mon  xxiv,  pp  79-81 
Amygdaloid,  analysis  of    metamorphosed,   from  North  Carolina,    Watauga 
County Bull  168,  p  53 
thin  section  of,  from  Minnesota,  Great  Palisades Mon  v,  pp  86-87 
Amygdaloid,  diabasic,  of  the  Keweenaw  series Mon  v,  pp  87-91 
Amygdaloid  diabase  from  Minnesota,  Grand  Marais,  description  of,  as  one  of 
the  educational  series Bull  150,  pp  355-357 
Amygdaloidal  aporhyolite,  thin  section  of,  from  Pennsylvania,  South  Moun- 
tain   Bull  136,  pp  118-119, 120-121 
Amygdaloidal  rocks  of  Keweenaw  series,  structural  features  of  . .  .Mon  v,  pp  134-139 
Amygdule,  thin  section  of,  in  diabase  of  dike  at  Pigeon  Point,  Minnesota...  Bull  1C9, 
pp  46-47 
Amygdules  in  Catoctin  schist Am.  14,  n,  pp  312-313 
Amyl  alcohol,  action  of,  on  chlorides,  a  method  for  separation  of  sodium  and 
potassium  from  lithium  by,  with  reference  to  a  similar 
separation  of  same  from  magnesium  and  calcium .Bull  42, 
pp  73-88 
Amyzon  beds  of  Colorado,  Nevada,  and  Oregon,  correlation  of Bull  83,  pp  125, 
141,  145-146;  Bull  84,  pp  281,317,320 
Anacacho  formation  of  Texas Ann  18,  n,  pp  240-241 ; 
Bull  164,  pp  31-33,34;  GF  64,  p  2 
of  Texas,  Uvalde  quadrangle,  wells  in GF  64,  p  6 
Anacardiacea)  of  Alaska Ann  1 7,  i,  p  888 
of  Dakota  group Mon  xvn,  pp  154-156 
of  North  America  (extinct) Mon  xxxv,  p  114 
of  Yellowstone  Park Mon  xxxn,  n,  p  731 
Analcite,  analyses  of,  from  Colorado,  Table  Mountain  and  Pikes  Peak  district. . 
Bull  20,  p  29;  Bull  148,  p  164;  Bull  168,  p  146 
analysis  of,  from  Montana,  Highwood  Mountains. Bull  148,  pl55;  Bull  168,  p  134 
