8  CONTENTS. 
Chapter  VII. — Continued.  Page. 
Section  III.     The  Southern  Atlantic  States 416 
Literature  of  the  Virginias 416 
Literature  of  North  Carolina 418 
Literature  of  Tennessee  422 
Literature  of  South  Carolina ' 423 
Literature  of  Georgia 425 
Literature  of  Alabama 426 
General  literature 427 
Summary  of  results 427 
Notes 429 
Chapter  VIII.     General  successions  and  discussions  of  principles 440 
Section  I.     Literature 440 
Section  II.     General  discussion 470 
Names  applied  to  pre-Cambrian  rocks  . . .  v^, 470 
The  character  of  the  Archean 475 
Origin  of  the  Archean 478 
Delimitations  of  Archean 484 
Stratigraphy  of  Archean 487 
Necessity  for  a  group  between  Cambrian  and  Archean 491 
Delimitations  of  the  Algonkian 493 
Difficulties  in  Algonkian  stratigraphy 496 
The  Original  Laurentian  and  associated  areas 497 
The  Original  Hurouian 498 
Lake  Superior  region 499 
The  region  about  Hudson  bay 500 
Other  regions  of  Northern  Canada 501 
The  Eastern  Townships 501 
Southern  New  Brunswick 502 
Nova  Scotia  and  Cape  Breton • 502 
Newfoundland 9 : . . .  503 
The  Black  hills 503 
Missouri j 504 
Texas 504 
Medicine  bow  range 504 
Southwestern  Montana 504 
The  Uinta  mountains 505 
The  Wasatch  mountains 505 
Promontory  ridge,  Antelope  and  Fremont  islands 506 
The  Aqui  mountains 506 
Schell  creek,  Egan,  Pogonip  or  White  Pine,  and  Pifion  ranges 506 
Front  range  of  Colorado 506 
The  Quartzite  mountains 507 
Grand  Canyon  of  the  Colorado 507 
British  Columbia 507 
The  Adirondacks 508 
Other  Algonkian  areas 508 
Subdivisions  of  Algonkian 509 
Comparison  with  other  classifications 509 
Principles  applicable  to  Algonkian  stratigraphy 511 
Results  in  America  and  Europe  compared 524 
Notes 527 
Index 531 
