820  INDEX    TO    PUBLICATIONS    OF    IT.   S.   GEOL.    SURVEY,     [bull.  177. 
Volcanoes,  cause  of,  problem  of Ann  4,  pp  183-198 
Paleozoic  or  pre-Paleozoic,  existence  of Ann  19, 
in,  pp  48-49;  Mon  xxxvi,  pp  78-79 
of  Hawaiian  Islands Ann  4,  pp  75-219 
vof  Philippine  Islands Ann  21,  in,  pp  525-542 
relation  of.  to  mountain  structure  in  Rocky  Mountains Mon  xn,  p  27 
(See,  also,  Igneous  rocks.) 
Volumetric  estimation  of  vanadium  in  presence  of  small  amounts  of  chromium, 
with  special  reference  to  analysis  of  rocks  and  ores. .  .Bull  167, 
pp  44-48 
Volutida?  from  Chico-Tejon  series  of  California Bull  51,  pp  23-25 
from  clays  and  marls  of  New  Jersey Mon  xvin, 
pp  84-92,  173-174, 183-185,  207-214 
from  Colorado  formation Bull  106,  pp  155-158 
Vulcan  formation  of  Michigan,  Menominee  district Ann  21,  in,  pp  390-400; 
GF  62,  pp  4-10 
Vulcanized  india  rubber,  solution  of. Bull  92,  pp  85-94 
Vulsinite,  analysis  of,  from  Italy,  Bolsena'and  San  Magno Bull  89,  p  66 
AVabash  River,  drainage  system  of Ann  18,  iv,  pp  446-456 
flow  of,  measurements  of Ann  21,  iv,  pp  170-171 
profile  of .• WS  44,  pp  58-59 
Wabaunsee  formation  of  Nebraska Ann  19,  iv,  p  738 
AVaccamaw  beds  of  South  Carolina,  correlation  of Ann  18,  n,  p  337 
Wages  and  labor  at  coal  mines  of  United  States MR  1889-90, 
pp  169-171;  MR  1891,  pp  203-204;  Ann  21,  vi,  pp  517-518 
Wainwright  Inlet,  Alaska,  coal  on Ann  17,  i,  p  820 
Walcott  (CD.),  Cambrian  faunas  of  North  America Bull  10;  Bull  30 
Cambrian  fossils  of  Yellowstone  National  Park Mon  xxxn,  n,  pp  440-478 
Cambrian  rocks  of  Pennsylvania Bull  134 
correlation  papers — Cambrian Bull  81 
fauna  of  Lower  Cambrian  or  Olenellus  zone Ann  10,  i,  pp  509-763 
fossil  medusas „ Mon  xxx 
North  American  continent  during  Cambrian  time Ann  12,  i,  pp  523-568 
paleontology  of  Eureka  district,  Nevada Mon  vin 
pre-Cambrian  igneous  rocks  of  the  Unkar  terrane,  Grand  Canyon  of  the 
Colorado Ann  14,  n,  pp  497-519 
quoted  on  Cambrian  rocks  of  Inyo  County,  California Ann  17,  i,  p  534 
quoted  on  structure  of  ranges  of  southern  Nevada Ann  17,  i,  p  532 
report  by,  on  Teton  Forest  Reserve  and  adjacent  territory. . . Ann  20,  i,  pp  58-60 
report  by,  on  Yellowstone  Park:  roads,  protection,  etc Ann  19,  i,  pp  56-59 
report  by,  on  Yosemite  Park:  roads,  administration,  etc Ann  19,  i,  pp  59-60 
report  of  Director  on  joint  resolution  providing  for  a  division  of  mines  and 
mining Ann  20,  i,  pp  15-23 
systematic  list  of  fossils  of  each  geologic  formation  in  Eureka  district, 
Nevada Mon  xx,  pp  317-333 
work  in  charge  of,  1882-1900 Ann  4, 
pp  44-48;  Ann  5,  pp  52-55;  Ann  6,  pp  74-78;  Ann  7,  pp  113- 
•  117;  Ann  8,  i,  pp  174-178;  Ann  9,  pp  115-120;  Ann  10,  i,  pp 
160-162;  Ann  ll,i,pp  102-106;  Ann  12,  i,  pp  106-111;  Ann 
13,  i,  pp  135-140;  Ann  14,  i,  pp  252-255;  Ann  15,  pp  129-144; 
Ann  16,  i,  pp  1-130;  Ann  17,  i,  pp  1-200;  Ann  18,  i,  pp  1-440; 
Ann  19,  i,  pp  1-408;  Ann  20,  i,  pp  1-530;  Ann  21,  i,  pp  1-582 
Walden  sandstone  of  Alabama,  Georgia,  and  Tennessee GF  2, 
p  2;  GF  4,  p  2;  GF  6,  p  2;  GF  8,  p  2;  GF 
19,  p  2;  GF21,p2;  GF22,p2;  GF35,p2 
