612  INDEX    TO    PUBLICATIONS    OF    U.    S.    GEOL.   SUKVEY.     [bull.  177. 
Petrology  of  Montana,  Castle  Mountain  mining  district Bull  139,  pp  132-142 
<  i f  Montana,  Judith  Mountains Ann  18,  in,  p] >  572-575 
Little  Belt  Mountains Ann  20,  in,  pp  558-568 
Petzite,  analysis  of,  from  California,  Mother  Lode  region Bull  167,  p  63 
Phanerogams  from  Carboniferous  basins  of  Missouri,  southwestern Bull  98, 
pp  105-109 
(See,  also,  Plants,  fossil.) 
Phenacite,  chemical  constitution  of Bull  125,  pp  68,  69,  104 
from  Colorado,  Crystal  Park  and  Florissant Bull  20,  pp  68-70 
occurrence  and  statistics  of MK  1882,  p  487;  MR  1883-84,  p  740;  MR 
1885,  pp  439-440;  MR  1887,  p  559;  MR  1888,  pp  580-581; 
MR  1889-90,  p  448;  MR  1891,  p  539;  MR  1892,  pp  767, 
781;  MR  1893,  pp  681,  682;  Ann  16,  iv,  p  604:  Ann  18,  v 
cont,  p  1217;  Ann  19,  vi  cont,  p  513;  Ann  20,  vi  cont,  p  599 
Phengite,  analysis  of,  from  Austria,  Zillerthal Bull  64,  p  12 
chemical  constitution  of Bull  125,  p  46 
Phenoerysts,    development  of,    in    igneous  rocks   of   Yellowstone  Park  and 
vicinity Mon  xxxn,  n,  pp  266-268 
thin  section  of,  from  Yellowstone  Park Mon  xxxn,  n,  pp  414-415 
Philadelphia,  wells  at Bull  138,  pp  115-117 
Philippine  Islands,  bibliography  of  geology  of Ann  21,  in,  pp  594-605 
coal  in Ann  21,  in,  pp  569-576 
copper  in Ann  21 ,  in,  pp  584-590 
fossils,  Tertiary,  in Ann  21,  in,  pp  615-625 
geologic  investigations  in Ann  19,  vi  cont,  pp  687-693;  Ann 
20,  i,  pp  54-55;  n,  pp  1-7;  Ann  21,  i,  p  87;  in,  pp  487-625 
gold  in Ann  21,  in,  pp  576-584 
iron  in Ann  21,  in,  pp  591-593 
lead  in Ann  21,  in,  pp  590-591 
mining  concessions  in Ann  21,  in,  pp  606-611 
petroleum  in Ann  21,  vi  cont,  pp  260-263 
provinces  and  districts,  areas  of Ann  21,  in,  pp  496-497 
survey  of,  estimates  and  recommendations  concerning... Ann  21,  i,  pp  52-55,  58 
territorial  limits  of Bull  171,  p  29 
Phillips  (W.  B.),  fertilizer  trade  in  North  Carolina  in  1886 MR  1886,  pp  611-617 
illuminating  and  fuel  gas  and  by-products Ann  20,  vi  cont,  pp  225-250 
mica  mining  in  North  Carolina MR  1887,  pp  661-671 
Phillipsite,  chemical  constitution  of Bull  125,  pp  41-42,  44,  102 
Phinney  (A.  J. ),  natural-gas  field  of  Indiana Ann  11,  i,  pp  579-742 
Phlogopite,  analyses  of Bull  125,  pp  46,  52 
analysis  of,  from  New  York,  St.  Lawrence  County Bull  78,  p  24 
from  Ontario,  Burgess,  and  of  residue  from Bull  78,  pp  24,  26 
from  Wyoming,  Leucite  Hills Bull  148,  p  115;  Bull  168,  p  85 
chemical  constitution  of Bull  125,  pp  16,  45,  46, 49,  52,  53, 103 
Phoenix,  Arizona,  irrigation  near WS  2 
Pholadidse  from  Chico-Tejon  series  of  California Bull  51,  p  15 
from  Colorado  formation Bull  107,  pp  125-127 
from  marls  of  New  Jersey Mon  ix,  pp  187-191,  241 
Pholadomyidse  from  Colorado  formation Bull  106,  pp  116-117 
Phonolite,  analyses  of,  from  Colorado,  Cripple  Creek  district Ann  16,  n,  p  43; 
Bull  148,  pp  161,  162;  Bull  150,  p  193;  Bull  168,  pp  143, 144 
analysis  of,  from  Germany,  Zittau Bull  150,  p  193 
from  Massachusetts,  Southboro Bull  148,  p  77;  Bull  168,  p  33 
from  New  Mexico,  Colfax  County Bull  168,  p  171 
