INDEX. 
903 
Page. 
Atlantic  system,  subdivision  of 585, 587 
Attawapiskat  River,  rocks  on 535, 545 
Attleboro,  rocks  at 655 
Auroral  limstone,  relations  of 656 
Australasia,  pre-Cambrian  rocks  of 54 
Authors,  summaries  of  work  of,  defects  in 11-12 
method  of  presentation  of 11-12 
unreliability  of  some 13, 60-61 ,  79 
A valon  group,  character  and  distribution  of. .      43, 
518-520 
correlation  of 519-520 
fossils  of 99-100,519 
A  valon  Peninsula,  rocks  of 514,515-517,519 
See  also  Newfoundland. 
Aylmer  Lake,  rocks  on 527 
Azoic  rocks,  character  and  distribution  of.. .  67-68, 
72, 79, 116- 117, 119-120, 139, 145, 147, 180,211, 
300,301,406-407,455,  553,  560,  562,  636-637, 
653, 679, 685,  718,  727,  743,  744,  754,  768,  801 
correlation  of 552, 653 
definition  of 376,653 
igneous  rocks  of 139, 145 
iron  in 68, 118 
life  in 68,79-80 
relations  of 368,562,659 
subdivision  of 80,92, 115, 116, 
139, 146, 149, 368, 450-452, 562-563, 574, 636, 680 
use  of  term 58,64-65, 79, 116, 119,627 
Azoic  time,  conditions  in 95 
Aztec  Mountains,  rocks  of 868 
Aztec  Pass,  recks  at 772 
B. 
Back,  Captain,  on  Southampton  Island 528,548 
Badgely  Island,  rocks  of 422 
Bad  River,  rocks  on 180,182,303 
Bad  Vermilion  granite,  character  and  distri- 
bution of 294 
Baffin  Bay,  rocks  of 526,527,529 
Baffin  Land,  rocks  of 529,534,535,541,546 
Bailey,  L.  W.,  on  Grand  Manan 493,521 
on  New  Brunswick 494-497,501,521 
on  Nova  Scotia 509-510,524 
Bailey,  L.  W.,  and  Ells,  R.  W.,  on  Caledonia 
Mountains 493-494,521 
Bailey,  L.  W.,  and  Mclnnes,  W.,  on  New 
Brunswick 501,522 
Bailey,  L.  W.,  and  Matthew,  G.  F.,  on  New 
Brunswick  geology 492-493, 521 
Bailey,  L.  W.,  Matthew,  G.  F.,  and  Ells, 
R.  W.,  on  New  Brunswick  ge- 
ology   494-495,521 
Bailey,  L.  W.,  Matthew,  G.  F.,  and  Haiti, 
C.  F.,  on  New  Brunswick  ge- 
ology   490-491 , 521 
Bain,  J.  W.,  on  iron  belt  of  Lake  Nipigon. .  289,  400 
Baker  Lake,  rocks  on 540 
Balcony  Falls,  rocks  near 674 
Bald  Butte,  rocks  of 1 .      863 
Bald  Hill,  rocks  of 639 
Bald  Mountain  quadrangle,  rocks  of 846 
Ball,  John,  on  Sweetwater  River  rocks 840,896 
Ball,  S .  II . ,  on  California  rocks 798, 894 
on  Nevada  rocks 798, 894 
on  Wyoming  rocks 847, 897 
work  of 14 
Page. 
Ball,  S.  H.,  and  Spurr,  J.  E.,  on  Georgetown 
quadrangle 808-811,894 
Baltimore,  rocks  near 672 
Baltimore    gneiss,    character    and    distribu- 
tion of 44,661-662,672 
correlation  of 44,662, 669-672,709-710 
Bancroft,  rocks  near 472-475 
Baptism  River,  rocks  at 215 
Baraboo  district,  iron  of 719-720 
rocks  in 44, 180, 184,220,717-721,723 
Baraboo  quartzite,   character   and   distribu- 
tion of 719-720,721 
correlation  of 195, 
250, 310, 313, 314, 318, 719, 722, 725, 726 
relations  of 374 
Baraboo  River,  rocks  near 718 
Barlow,  A.  E.,  on  Hastings,  Haliburton,  and 
Renfrew  counties 469, 483 
on  Lake  Huron  region 410,418-419,445 
on  Nipissing-Temiscaming  region 423-424, 
440,446 
on  Temagami  district 429, 446 
Barlow,  A.  E.,  and  Adams,  F.  D.,  on  Lauren- 
tian  of  Ontario 469, 470, 474-475, 483 
Barlow,  A.  E.,  and  Ells,  R.  W.,  on  Ottawa 
Canal 466-467, 482-483 
Barlow,  A.  E.,  and  Ferrier,  W.  F.,  on  Lake 
Temiscaming 423, 445 
Barlow,  A.  E.,  and  others,  on  Adirondacks 
correlation 617-619, 650 
Barnet,  rocks  at 561,563 
Barrell,  Joseph,  on  Marysville  rocks . . .  862-863, 898 
Barron  quartzite,  correlation  of 318 
Barstow,  rocks  near 872 
Basal    sandstone,    character    and    distribu- 
tion of 192, 251 
correlation  of 498 
Bascom ,  Florence,  on  Pennsylvania  geology. .     660- 
664, 710, 712 
work  of 14 
Basement  complex,  character  and  distribu- 
tion of 155-156, 159- 
160, 241, 273-275, 317, 414-415, 418-419, 807, 808 
correlation  of 173, 370 
See  also  Archean. 
Basin  Range,  rocks  of 791 
Basswood  granite,  character  and  distribution 
of 334 
Basswood  Lake,  rocks  at 205-206, 236, 237 
Batehawana  Bay,  iron  near 286 
rocks  of 264, 273, 285, 288, 324 
Bathurst,  rocks  near 490 
Bathurst  Inlet,  rocks  near 526 
Battle  Islands,  rocks  of 257 
Bauerman,  II.,  on  British  Columbia  rocks..  875, 900 
Bavaria,  pre-Cambrian  rocks  of 54 
Bayfield,  Captain,  on   St.  Lawrence   River 
rocks 528, 548 
Bayfield,  H.  W.,  on  Ontario  geology...  253-254,397 
Bayley,  W.  S.,  on  Lake  Superior  stratigraphy.     374 
on  Mesabi  schists 219 
on  Minnesota  geology 213,395 
on  Passaic  quadrangle 644,646,652 
on  Pewabic  quartzite 212,394 
on  Pigeon  Point  geology 217, 395 
on  Sturgeon  River  tongue 163,390 
