UAIMAN]  ANORTHITE APORHYOLITE.  141 
A I  .utile,  analysis  of,  from  Maine,  Stoneham Bull  27,  p  15 
analysis  of,  from  Norway .  Bull  46,  pp  44,  45 
lV"m  sl'ain Bull  46, pp  45-46 
from  Virginia,  neat-  Amelia  Court-House MR  1883-84, p  808 
composition  .  f Bull  150,  p  36 
in  diorite  from  Wyoming,  Electric  Peak Ann  12,  i,  p  608 
in  M;lim'-  Auburn MR  ]S83_J4;'  p  775 
in  rocks  of  Pacific  slope Mon  xm,  p  85 
statistics  of MR  Ism',  p  521;   M  R  L883  84,  pp  805  mis;  MR  1885,  pp  455-458; 
Mi;  L887,p594;  Ml;  L888,p596;  MR  L889-90, pp  454-455 
thin  section  of ,  from  Minnesota,  Pigeon  Point,  showing  skeleton  crystals  in 
altera  1  dial  >ase Bull  109,  p  47 
from  Minnesota,  southwestern,  in  labradorite  feldspar  in  porphyritic 
diorite I>U11  157,  pp  150-151 
from  Nevada,  Eureka  district,  from  andesitic  perlite Mon  x  \ ,  pp  396-397 
Eureka  district,  from  hornblende-mica-andesite Mon  w.  pp  396-397 
Washoe  district,  from  diorite-porphyry Mon  m,pp  150-151 
Apatites,  foreign Bull  46,  pp  22-46 
Apatosaurus,  description  of bin  16,  i,  pp  166-168 
from  Denver  Basin,  remains  of Monxxvn,pp  489-492 
Aphi.hr,  American  Tertiary,  List  of  known  species Ann  L3,  n,pp  341-366 
Aphrodite,  chemical  constitution  of Bull  125,  pp  74, 105 
Aphrosiderite,  analysis  of Bull  113,  p  17 
chemical  constitution  of Bull  L25,  pp  55,103 
Apiocrinidse,  Mesozoic,  of  United  States Bull  97,  pp  24-25 
Apishapa  formation  of  <  lolorado \nn  17,  h.  pp  567,571;  GF  58,  p  2;  GF  68,  p  2 
Apison  shale  in  ( Georgia  and  Tennessee GF  2,  p  1; 
<M    1.  p2;  GF6,  pi;  GF  16,  p  3;  GF  20,  p  2 
Aplin  (S.  A.  i,  work  in  charge  of \im  18,  i.  p  1 15;  Ann  Mi,  i.  p  121;  Ann  20,  [,p  137 
Aplite,  analysis  of,  from  California,  Sierra  County Bull  168,  p  192 
analysis  of ,  from  Yellowstone  Park,  Hurricane  Ridge Mon  xxxn,  n,  p  261; 
Bull  lis,  p  121;  Bull  168,  p  94 
of  Alaska,  in  dike  rocks  of  Fortymile  district.. Ann  18,  in,  pp  229-230 
of  California,  Nevada  (it  \,  Grass  Valley,  and  Banner  Hill  districts Ann  17, 
[i,  pp  44-45;  GF29,  p2 
of  Maine,  Aroostook  volcanic  area Bull  165,  p  149 
of  Montana,  Butte  disl  rict GF  38,  p  2 
Little  Bell  Mountains \nn  20,  in,  pp  493-497 
of  Sierra  Nevada Ann  1 7,  i,  pp  550,  570-572,  634-635 
thin  section  of,  from  Yellowstone  Park Mon  xxxn,  n,  pp  250-251 
Aplite-granite,  analysis  of ,  from  Montana,  Castle  Mountain Bull  165,  p  166 
Apoandesite  of  the  Sierra  Nevada Ann  17,  i,  p  585 
Apophyllite,  analysis  of.  fr Colorado,  Table  Mountain Bull  20,  pp  33,  34 
chemical  constitution  of Bull  125,  pp  81-82,  105 
from  Colorado,  Table  Mountain,  general  description,  optical  properties, 
and  chemical  composition  of Bull  20,  pp  29-35 
occurrence  of MR  1883-84,  p  775 
Aporhyolite,  analysis  of,  from  Maine,  Fox  Islands Bull  165,  p  155 
analysis  of,  from  Pennsylvania,  Franklin  County Bull  148,  p  81; 
Bull  150,  p  348;  Bull  168,  p  40 
from  Pennsylvania,  South  Mountain Bull  165,  p  155 
from  Pennsylvania,  South  Mountain,  description  of,  as  one  of  the  educa- 
tional series Bull  150,  pp  343-349 
