808  INDEX    TO    PUBLICATIONS    OF    U.   S.    GEOL.    SURVEY,      [bill.  177. 
Veins,  gold-silver,  of  Ophir,  California Ann  14,  n,  pp  243-284 
Veins,  granite,  in  Colorado,  Pikes  Peak  quadrangle GF  7,  pi 
Veins,  quartz,  in  New  York- Vermont  slate  belt Ann  19,  in,  p  217 
Veins,  silver-lead,  of  Idaho Ann  20,  in,  pp  198-206 
of  Montana,  Little  Belt  Mountains Ann  20,  in,  pp  405-422 
Venasquinite,  chemical  constitution  of Bull  125,  p  48 
Veneridse  from  Colorado  formation Bull  106,  pp  106-109 
from  marls  of  New  Jersey Mon  ix,  pp  153-164,  218-219,  237-238 
from  Miocene  marls  of  New  Jersey Mon  xxiv,  pp  67-75 
Venetian  red,  statistics  of '.MR  1892,  pp  815,  818;  MR  1893,  pp  758,  762; 
Ann  16,  iv,  pp  695,  698;  Ann  17,  m  cont,  pp  1012,  1018; 
Ann  18,  v  cont,  pp  1337,  1343;  Ann  19,  vi  cont,  pp  635,  643- 
644;  Ann  20,  vi  cont,  pp  721,  730;  Ann  21,  vi  cont,  p  580 
Ventura  formation  in  Washington,  northern Ann  20,  n,  pp  113-114 
Venezuela;   asphaltum  from,  technology  of MR  1893,  pp  665-666 
copper  production  of,  statistics  of MR  1883-84,  pp  356,  374;  MR  1885,  pp  229, 
243;  MR  1886,  pp  128,  139;  MR  1887,  pp  88,  96;  MR  1888, 
p  73;  MR  1889-90,  p  73;  MR  1891,  p  101;  MR  1892,  pp 
114,  116;  MR  1893,  p  86;  Ann  16,  in,  p  352;  Ann  17,  in, 
pp  118,  119;  Ann  18,  v,  pp  219,  221;  Ann  19,  vi,  pp 
176,  178;  Ann  20,  vi,  pp  202,  204;  Ann  21,  vi,  pp  204,  206 
gold  production  of,  compared  with  that  of  other  countries MR  1883-84, 
pp  319,  320 
iron-ore  deposits  of Ann  16,  in,  pp  66-67 
petroleum  localities  in MR  1886,  pp  486-487;  Ann  21 ,  vi  cont,  p  184 
Venus  cancellata  bed  of  Florida Bull  84,  p  336 
Verde  River,  Arizona,  flow  of,  measurements  of Ann  11,  n,  pp  100, 
108;  Ann  18,  iv,  pp  297,  298;  Ann  19,  iv,  pp  420-423; 
Ann  20,  iv,  pp  59,  407;  Ann  21,  iv,  pp  387-388;  Bull 
131,  p  51;  Bull  140,  p  206;  WS  2,  p  38;  WS  16, 
p  150;  WS  28,  pp  141,  143,  145;  WS  38,  pp  323-324 
Verdigris  River,  Kansas,  flow  of,  measurements  of Ann  18, 
iv,  pp  235-237;  Ann  19,  iv,  pp  363-373;  Ann  20,  iv,  pp  57, 
344;  Ann  21,  iv,  p  237;  Bull  140,  pp  162-163;  WS  11,  p  62; 
WS  16,  p  125;  WS  28,  pp  115,  116,  117;  WS  37,  pp  265-266 
profile  of WS  44,  p  67 
rainfall  in  watershed  of Ann  19,  iv,  pp  366-367,  373 
water  powers  on Ann  19,  i v,  pp  375-376 
Vermes  from  Colorado  formation,  description  of Bull  106,  ]>  53 
Vermetidee  from  clays  and  marls  of  New  Jersey. Mon  xvm,  p  149 
from  Miocene  deposits  of  New  Jersey Mon  xxiv,  pp  131-133 
Vermetus  rock  of  Florida Bull  84,  p  336 
Vermiculite,  analysis  of,  from  Massachusetts,  Pelham Bull  126,  p  97 
analysis  of,  from  North  Carolina,  Corundum  Hill Bull  42,  p  51 
from  Pennsylvania,  Delaware  County Bull  90,  p  15 
Easton Bull  64,  p  44;  Bull  90,  p  20 
Easton  (chloritic,  residue  from ) Bull  90,  p  20 
chemical  constitution  of Bull  125,  pp  49,  50,  102,  103 
Vermiculites,  micas,  and  chlorites,  on  constitution  of  certain Bull  90,  pp  11-21 
Vermilion  Cliffs  and  Valley  of  the  Virgen,  Grand  Canyon  district,  descrip- 
tion of Ann  2,  pp  83-91;  Mon  n,  pp  51-60 
Vermilion  Creek  group  of  Colorado Bull  83,  p  124;  Bull  84,  p  337 
Vermilion  iron-bearing  district,  Lake  Superior Ann  21,  in,  pp  401-409,  433-434 
