532 
INDEX. 
Page. 
A  nimikie— Continued. 
McKellar  on 65 
unconf  ormably  below  Keweenawan, 
McKellar  on 65 
unconformably    above    Huronian, 
McKellar  on ..  65 
unconformably  below  Nipigon,  Bell 
on 70,468 
unconformably    above    Keewatin, 
Alex.  Winchellon 128 
relations  to  Keweenawan 161 
unconformably  below  Keweenaw- 
an   161-162 
relations  to  Huronian 168,169 
character  of 169 
relations  to  Keewatin 169 
unconformably  above  Vermilion  se- 
ries   181,182 
equivalent  to  Penokee  series 187-189 
Hunt  on 465 
Bell  on 468 
use  of 472 
Animikie  district,  iron  ores  of 171,172 
eruptives  of.. 173 
succession  in 187-189 
Animikie  formation,  Bell  on 69-70 
fossils,  Selwynon 67,492 
of  lake  Superior,  Algonkian 499 
Animikie  series,  Selwyn  on 62-63 
Alex.  Winchell  on 128 
Irving  on 138-139 
unconformity  at  base  of 176, 179 
unconformably   above    Kaministi- 
quia 182 
•  relations  to  original  Huronian 185-186 
equivalents  of 187-189 
fossilin 194 
position  of,  Selwyn  on 194 
position  of,  N.  H.  Winchell  on. 194 
Anorthosite  in  Lauren tian 33 
Antelope  island  range,  Algonkian  of . . .         506 
literature  of 295 
Anticlinal  structure  of  Archean  ranges         490 
Antisell,  on  California 333 
Appalachian,  Archean  of 487 
Aqui  mountains,  literature  of 296 
Algonkian  of 506 
Archean,  divisibility  of,  Irving  on 142-143 
proposal  of,  by  Dana 394,473 
unconformably     below     Silurian, 
Dana  on 447 
Dana  on 447-448,469-470 
King  on 448-451 
Selwynon 453-454 
Irving  on 460,461,462 
Bell  on 466 
Walcott  on 469 
areasof 475^76 
character  of 475-478 
use  of  term 473,475,478 
devoid  of  sedimentary  rocks 477 
origin  Of 478-484 
relations  to  Algonkian 482-487, 513 
delimitations  of 484-487 
stratigraphy  of 487-490 
includes  Laurentian 488-490 
unconformably  below  Algonkian  ..         495 
Pagei 
Archean— Continued. 
of  Adirondacks. 413-41 
of  America  and  Europe  compared. .         52< 
of  Arizona 330-33J 
of  Arizona,  unconformably  below 
Algonkian 33J 
of  Arizona  and  New  Mexico,  Powell 
and  Gilbert  on 331 
of  California 341 
of  Canada  (central) ,  Lawson  on I 
of  Canada  (northern) ,  G.  M.  Dawson 
on 217-29 
of  Colorado 324-32! 
of  Europe 52( 
of  Grand  canyon,  unconformably 
below  Algonkian 501 
of  lake  Superior,  Irving  on  143-14J 
of  lake  Superior,  character  of 16? 
of  lake  Superior,  defined 191 ,  192, 19J 
of  lake  Superior,  relations  to  erup- 
tives   192-li 
of  lake  Superior,  origin  of. .  _         198 
of  lake   Superior,   unconformably 
below  Algonkian 174- 178,508 
of  Massachusetts,   unconformably 
below  Cambrian 371 
of  Medicine  Bow  range 277 
of  middle  Atlantic  states 413-4S 
of  Montana 286 
of  Montana,  unconformably  below 
Algonkian 505 
of  Nevada 306,307 
of  New  Mexico 324,  325,  33C  -332 
of  Park  range 277 
of  southern  Atlantic  states 427-429 
of  Texas 269 
of  Wasatch 298-299 
Archeozoic,  Dana  on  life  of. 469-470 
Archeozoic  aeon,  Dana  on 469 
Arctic  archipelago,  Haughton  on 216 
Arizona,  literatureof 326,382 
Archean  of 475,487 
Arvonian,  Whitney  and  Wadsworth  on  _        457 
Hunt  on ...462-463.465,474 
Astral  aeon,  Dana  on 469 
Avalon  peninsula,  Murray  on 249-250 
Howleyon 250,251 
Azoic,    Whitney   and  Wadsworth    on 
absence  of  life  in 455 
C.  B.  Adams,  Bell,  Cook,  Crosby, 
Dana,  E.  Emmons,  Frazer,  E. 
andC.  H.  Hitchcock,  Kerr,H.  D. 
Rogers,     Safford,    Wadsworth, 
and  Whitney  on 443-444, 447, 454-157, 
466,467,470 
use  of  term 470,473474 
of  lake  Superior,  Foster  and  Whit- 
ney on 79-82 
of  lake  Superior,  Whitney  on  85 
of  lake  Superior,  character  of 167 
of  Michigan,  Wadsworth  on 102 
Azoic  aeon,  Dana  on 469 
B. 
Back,  on  Southampton  island 215 
Baffin  bay,  McCulloch,   Jameson,  and 
Koningon 213,214 
