INDEX. 
937 
Page. 
Vermilion  River,  rocks  on 412,422,724-725 
Vermont,  pre-Cambrian  rocks  of 559- 
567,585-589,590 
Vermont  formation,  character  and  distribu- 
tion of 576-577,  588 
Verplancks  Point,  rocks  at 030 
Victor,  rocks  of 811 
Virgilina  district,  rocks  of 075 
Virgin  Canyon,  rocks  in 771 
Virgin  Range,  rocks  in 772, 792 
Virginia,  correlation  in 44 
pre-Cambrian  rocks  in 44,  664-676, 093-695 
literature  of 664-676 
Virginia  City,  rocks  near 853 
Virginia  slate,  character  and  distribution  of.  245, 339 
correlation  of 328-329 
Vishnu  series,  character  and  distribution  of.  774, 777 
correlat  ion  of 777-778 
Volcanic  rocks.    See  Eruptive  rocks. 
Volcanoes,  vents  of 159 
Von  Hauer, ,  on  Alpine  rocks 88 
Von  Hochstetter, ,  and  Gumbel, ,  on 
Primitive  gneiss ■_ .  69-70 
Vulcan  formation,  character  and  distribution 
of 170,171-172,337 
correlation  of 169, 328-329 
subdivision  of 171, 337 
W. 
Wabigoon  Lake,  rocks  near 281-282 
Wachoe  Range,  rocks  of 792 
"  Wacke  "  type  of  rocks,  occurrence  of 22, 31 
Wadsworth,  M.  E.,  on  Azoic  system 139, 
145,149,388,389 
on  Eastern  sandstone 145, 389 
on  geology  of  mining  districts  of  Mich- 
igan    128-129, 
146-149, 101-102, 388, 389, 390 
on  Lake  Superior  iron  and  copper.  128,129,388 
on  Marblehead  rocks 574, 595 
on  Marquette  and  Keweenaw  district 139. 
370,383,388 
on  supposed  fossils 135, 388 
on  traps 145, 389 
Wadsworth,  M.  E.,  and  Whitney,  J.  I).,  on 
pre-Cambrian  rocks 79-82, 105 
Wahnapitae  Lake,  rocks  near 286, 
411, 112,110,424,425,457 
Wahnapitae  River,  rocks  near 408, 422 
Wahweah  Range,  rocks  of 794 
Waits  River  limestone,  relations  of 567 
Walcott,  C.  D.,  on  Chuar  and  Grand  Canyon 
groups 773-774, 892 
on  definition  of  pre-Cambrian li, 
on  Llano  series 740, 753 
on  Montana  rocks 862, 803, 898 
on  Nevada  rocks 789, 892 
on  New  Brunswick 498-499, 522 
on  Newfoundland 518, 52 1 ,  525 
on  Olenellus  zone 94-95, 100 
on  pre-Cambrian  fossils 98-100, 100, 320, 402 
on  South  Mountain  rocks 666,  713 
on  Taconic  system 587,  596 
on  Texas  rocks 743-744,746,753 
on  Utah  rocks 786  787,  893 
Walcott,  C.  D.,  Van  Bise,  C.  K..  and  Pum- 
pelly,  R.,  on  Adirondacks  rocks.     000- 
601,648 
Page. 
Walker,  T.  L.,  on  Sudbury  district 422-423,445 
Wallingford,  rocks  at 580 
Wall  Ravine,  rocks  at 135-130 
Walsenburg  quadrangle,  rocks  of 813-814 
Wanapitei,  roeks  near 430 
Wappinger  limestone,  correlation  of 633 
Warner,  J.  II..  on  Waterloo  quartzite 721,750 
Warrender,  Cape,  rocks  of 529 
Warrenton,  rocks  at 678 
Warwick,  rocks  at 025 
Wasatch  Mountains,  rocks  of 45. 
46,94,782-789,790-791,864 
unconformity  in 39 
Washington,  correlation  in 46 
pre-Cambrian  rocks  of 46, 865-867 
literature  of 865-867 
Washington  City,  rocks  near 668, 095 
Washington  gneiss,  character  and  distribu- 
tion of 43.  578, 579, 591 
Watab  granite,  character  and  distribution  of.      201 
Waterbury,  rocks  near 581 
Waterford .  rocks  of 507 
Waterloo  district,  rocks  of 44 
Waterloo  Lake,  rocks  near 859 
Waterloo  quartzite,  character  and  distribu- 
tion of 721 
Waterton,  rocks  near 862 
Watson,  T.  L.,  on  Appalachian  geology...  693,716 
on  Georgia  geology 691, 700, 716 
on  North  Carolina  geology 083, 696-697, 715 
on  Virginia  geology 675, 695, 714 
work  of 14 
Wausau,  rocks  near 190, 194, 195 
Waushara,  rocks  near 722-723 
Wauswaugoning  quartzite.  correlation  of 409 
Waverley  beds,  fossils  in 505 
Wawa  tuff,  character  and  distribution  of 289, 
2! «),  328-329 
Weaverville,  rocks  near 874 
Weber  River  Canyon,  rocks  in 782,788 
Weber  quartzites,  character  and  distribution 
of 780-781 
Weed,  W.  II.,  on  Montana  rocks 857-802,898 
work  of 14 
Weed,  W.  II.,  and  Pirsson,  L.  V.,  on  Mon- 
tana rocks 850-857, 898 
Weed,  W.  II.,  Hague.  A.,  and  Iddings,  J.  P., 
on  Livingston  quadrangle 850,898 
on  Yellowstone  Park 843,896 
Weeks,  F.  B.,on  Nevada  neks 798-799,894 
on  Uintah  Range 782,893 
Weidman,  Samuel,  on  Fox  River  rocks 7-'_,.7.".o 
on  Wisconsin  geology 193-190,  718-719, 750 
work  of 15 
Welsh  Mountain,  rocks  of 656 
Wells  River,  rocks  of 51 17 
Wenatehee,  rocks  on 866 
Westchester,  roeks  near 653,676 
Western  sandstone,  characl  r  and  relations 
of 305-306 
Westfield  Valley,  roeks  of 579 
Westgate,    I..    G.,   on    Jenny    Jump    Moun- 
tain   641-642,652 
Warwick  County  rocks 640,652 
West  Pauling,  rocks  at 629 
Wrst  Point,  rocks  near 632-033 
Westport,  ricks  ;it 000-601 
West  Sea  Gull  granite;  origin  of 209 
