INDEX. 
541 
Page. 
Lake  Superior— Continued. 
succession,  Logan  oik 197 
syncline 196 
unconformities,  universality  of  —  197-198 
Lake  Winnipeg,  Bell  on  .. 59,61 
Lakes,  on  Front  range.. 312-313 
on  Sawatch  mountains 316 
on  Elk  mountains 317,318 
on  Quartzite  mountains —         320 
on  Colorado  Archean  and  Algonkian        325 
Lapham,  on  the  Penokee  range 1 06 
La  Plata  mountains,  literature  of 323-324 
Laramie  range,  literature  of 272-276 
Laurentian,  original ,  literature  of 23-35 
F.  D.  Adams,  Bell,  Bigsby,  Dana, 
William  Dawson,  Hunt,  Irving, 
King,  Lawson,  Logan,  Macfar- 
lane,  Murray,  Selwyn,  Vennor, 
Wadsworth,  Whitney,  Wilkins 
on  .-.23,  34, 63-65, 442, 444-446.  448,  451,  453, 
457-460, 462,  465-468, 470-474 
proposal  of,  by  Logan 24,25 
graphite  of,  William  Dawson  on 28, 219 
original 32-35 
anorthosite  and  eruptives  of 33 
unconformity  in 34 
relations  to  Huronian 34, 44-48, 471, 472, 
473, 495,  498 
relations  to  Huronian,  Barlow  on..  42 
unconf ormably  below  Huronian 46 
literature  cited „ 48-50 
uncon  form  ably  below  Copper-bear- 
ing series,  Macf arlane  on 56 
conformable  with  Huronian,  Bell 
on 58,209,210,211 
unconformably   below    Huronian, 
Irving  oh 112,147 
unconformably     below     Silurian, 
Hindon 241 
relation  to  Huronian,  Whitney  and 
Wadsworth  on 455-457 
relations  to  Norian 471 
unconf ormity  in 471 
included  in  Archean 475,488-490 
use  of  term .470-474,489-490 
original,  Algonkian  in 497-498 
of  Cape  Breton 246,247 
of  Hudson  bay,  Bell  on.... 212-213 
of  lake  of  the  Woods,  G.  M.  Dawson 
on 59-60 
of  lake  of  the  Woods,  junction  with 
Huronian,  G.  M.  Dawson  on 60 
of  lake  Superior,  conformable  with 
Huronian,  Logan,  and  Selwyn 
on 55,62 
of  lake  Superior,  Macf  arlane  on  ...      56, 57 
of  lake  Superior,  Whittlesey  on 86 
of  lake  Superior,  junction  with  Hu- 
ronian, Bell  on 59 
'  of  lake  Superior,  character  of 167-168 
of  lake  Superior,  defined 191.192,473 
of  Menominee  district,  Brooks  on..  115 
of  Michigan,  Credner  and  Wright  on  90, 97 
of  Michigan,  unconformably  below 
Huronian,  Credner  on 90 
Page. 
Laurentian— Continued. 
of  Michigan,  unconformable  with 
Huronian,  Wright,  and  Brooks 
on 97 
of    New    Brunswick,   Bailey    and 
Matthew  on 231-232 
of    New    Brunswick,     fossils    in, 
Matthew  on 236 
of  Newfoundland 251,252 
of  Nipissing 34 
of  northern  Canada 217-218 
of  Nova  Scotia. 246 
of  Penokee  district,  unconformable 
with  Huronian,  Chamber lin  and 
Wright  on 111,113 
of  Rainy  lake,  Lawson  on 66-67 
of  St.  Lawrence 220 
of  southern  New  Brunswick. 237, 238 
of  Wisconsin,  Irving  on ...107, 111-112 
of  Wisconsin,  Chamberlin  on 116-117 
Law  of  uniformity 513-514 
Lawson,  on  the  lake  of  the  Woods 63-65 
of  Wyoming 281-282 
on  Rainy  lake  region 65-67 
on  Archean  of  central  Canada 68 
proposal  of  Ontarian  system 68, 474 
on  lake  Superior  stratigraphy 70 
on  lake  Superior  sandstone .165, 166, 167 
on  Laurentian  of  Lake  Superior ...  167. 168 
on  Coutchiching 169,490 
onKeewatin 169 
on  Lake  Superior  Huronian 169 
on    relations    of     Keewatin     and 
Coutchiching  : 176,178 
on     unconformity     within    Huro- 
nian  179,182-183 
on    relations    of    Algonkian    and 
Archean...- 192 
on  Ontarian 193-194 
on  relations  of  granites  and  schists.  324, 325, 
383 
proposes  Keewatin 474 
proposes  Coutchiching 474 
on  origin  of  Archean 479, 480-481 
stratigraphy  of  Archean 488-489 
Leeds,  on  Adirondacks 395 
on  Philadelphia,  Pa 406 
Lehmann,  indebtedness  to 17 
on  origin  of  Archean 482 
Lesley,  on  Pennsylvania r 408-409 
Leslie,  on  Melville  peninsula 214 
Lieber  on  Labrador 216 
on  South  Carolina .424,425,428 
on  metamorphism 428 
on  dioritic  schists  from  eruptives . .  428, 429, 
481-182 
referred  toby  Hunt 464,465 
on  pre-Cambrian  succession 474 
on  origin  of  Archean 479,481-482 
Life  of  Archeozoic,  Dana  on 469-470 
Limestones  of  New  Jersey 414 
Literature,  general,  cited 527-529 
of  Cordilleras  cited 342-347 
of  eastern  Canada  cited 252-255 
of  Huronian  cited 48-50 
