170  INDEX    TO    PUBLICATIONS    OF    IT.    S.    GEOL.    SURVEY,     [bull.  177. 
Biotite  in  rocks  of  Pacific  slope Mon  xiii,  p  74 
thin  section  of,  in  quartz  in  hornblende-biotite-gneiss  from  Minnesota, 
southwestern Bull  157,  pp  142-143 
Biotite-bearing  hornblende-granite  from  Cape  Ann,  Massachusetts,  description 
of,  as  one  of  the  educational  series Bull  150,  pp  179, 181 
Biotite  and  quartz  as  alteration  products  of  alkali  feldspar Mon  xix, 
pp  107, 108, 152,  336-343 
Biotite-augite-latite,  analysis  of,  from  California,  Big  Trees  and  Clover  Meadow.. Ann 
"  17,  i,  p  727;  Bull  89,  pp  58,  66;  Bull  148,  p  217;  Bull  168,  p  205 
thin  section  of,  from  Sierra  Nevada Bull  89,  pp  34-35 
Biotite-chlorite,  chemical  constitution  of Bull  125,  pp  53, 102 
Biotite-dacite,  analysis  of,  from  Asia  Minor,  Pergamon Bull  89,  p  66 
Biotite-diorite,  analysis  of,  from  District  of  Columbia,  Georgetown Ann  15, 
p  673;  Bull  148,  p  85;  Bull  168,  p  44 
analysis  of,  from  Maryland,  Montgomery  County Ann  15, 
p  673;  Bull  148,  p  85;  Bull  168,  p  44 
Biotite-gneiss,  analysis  of,  from  Michigan,  Upper  Quinnesec  Falls Bull  148, 
pl02;  Bull  168,  p  72 
from  Manhattan  Island,  New  York,  description  of,  as  one  of  the  educational 
series  (schistose) Bull  150,  pp  332-333 
in  Massachusetts,  eastern  Berkshire  County Bull  159,  p  23 
thin  section  of,  from  Michigan,  sec.  18,  T.  47  N.:,  R.  45  W Ann  10, 
i,  pp  470-471;  Mon  xix,  pp  478-479 
Biotite-granite,  analyses  of,  from  California,  Amador  County Ann  17, 
i,  pp  702,  721;  Bull  148,  p  214;  Bull  168,  p  200 
analysis  of,  from  California,  Mariposa  County Bull  168,  p  208 
from  California,  Sierra  County Ann  17, 
i,  p  721;  Bull  148,  p  206;  Bull  168,  p  192 
from  Colorado,  Pikes  Peak Bull  150,  p  177 
from  Maryland,  Rowlandsville,  Dorsey  Run,  Sykesville,  and  Wood- 
stock  Ann  15, p  672;  Bull  148,  pp  86,  87;  Bull  168,  pp  46,  47 
from  Massachusetts,  Florence Bull  148,  p  74;  Bull  168,  p  30 
from  Colorado,  Pikes  Peak,  description  of,  as  one  of  the  educational  series Bull 
150,  pp  172-177 
from  Maine,  Fox  Island,  description  of,  as  one  of  the  educational   series 
(hornblende-bearing) Bull  150,  pp  177-179 
inclusions  in,  analyses  of,  from  Maryland,  Dorsey  Run  and  Sykesville.. Bull  148, 
p87;  Bull  168,  p  47 
of  Massachusetts,  western Mon  xxix,  pp  318-323 
of  Michigan,  Crystal  Falls  district Ann  19, 
in,  pp  29-32;  Mon  xxxvi,  pp  40-44, 190-193 
Marquette  district Mon  xxvm,  pp  171-174 
of  Sierra  Nevada Ann  17,  i,  p  703 
thin  section  of,  from  Michigan,  Crystal  Falls  district Mon  xxxvi,  pp  308-309 
from  Wisconsin,  NE.  \  sec.  20,  T.  44  N.,  R.  3  W Mon  xix,  pp  476-477 
Biotite-granite-gneiss,  analysis  of,  from  District  of  Columbia Ann  15,  p  672 
analysis  of,  from  Maryland,  Port  Deposit Ann  15,  p  672 
Biotite-hornblende-granite,  analysis  of,  from  California,  Mariposa  County Ann  14, 
ii,  p  482 
of  Sierra  Nevada Ann  14,  n,  pp  480-482 
Biotite-microcline-gneiss  of  Massachusetts,  Berkshire  County Bull  159,  pp  23-24 
Ri<  »t  ite-muscovite-granite  of  Massachusetts,  western Mon  xxix,  pp  314-318 
Biotite-porphyrite,  analysis  of,  from  Colorado,  Leadville  region Bull  1 48, 
p  173;  Bull  168,  p  155 
