INDEX TO VOLUME 1? 



Page 



Aa eruptions, Occurrence of 494-495 



Abbott, , cited on alluvial depos- 

 its of Mississippi river 731 



Accessions to Library, 1905 733-742 



Acnioea pelta } Occurrence of 42 



Adams, C. D., cited on hornblende 



granite 513 



— igneous origin of serpentine. . . 513 



— • — ■ ■ rocks of eastern Quebec. . . . 500 



mount Joimson, Quebec 518 



occurrence of nepheline sye- 

 nite 520 



— rock structure of Owls head, 



Quebec 511 



Sugarloaf, Quebec. ... 511 



Stanstead granite 514 



— , elected on Auditing Committee .... 679 



— , Monteregian hills named by 517 



— , Mount Royal, Quebec, investigated 



by 518 



— , Nepheline syenite in eastern On- 

 tario (abstract) 695 



— • quoted on diorite rocks of Adstock 



mountain, Quebec 512 



— . Record of remarks bv 695 



— , Title of paper by 514, 517 



Adams, George, cited on Sylamore for- 

 mation 597 



Adams Lake series, Correlation and age 



of 24 



Adirondacks and Canada, Transgress- 



ive overlaps in western 584-585 



— , Basal sandstone in western 584 



Africa, Lack of analogy between South 



America and 445-446 



Agassiz, Alexander, cited on age of 



Fiji Island limestones 479 



Agriculture, Origin of organized so- 

 ciety and 668-670 



Alaska, Difficulty of geologic observa- 

 tions in 695-696 



— , Geologic reconnaissance map of, by 



A. H. Brooks 695-700 



— — structure of 699-700 



— , Intrusive rocks in 697 



— , Map showing location of Yakutat 



bay, plate 12 29 



— , Stratigraphic subdivisions of . . . 696-698 



successions and correlations 



in 697-699 



— , Recent changes of level in Yakutat 



Bay region 29-64 



Alberta and British Columbia, Map of 



part of 296 



— , Cretaceous section in Moose Moun- 

 tain district of 295-302 



— , Petroleum in southern 295 



— , Provisional subdivisions of Creta- 

 ceous sections in southern 297 



Alexander, W. D., Reference to map 



by 489 



Alhambra formation, Origin, location, 



and character of 286-288 



Algonkian, Altyn formation of the. ... 19 



— and Cambrian formations, Uncon- 



formity between 16-17 



— Belt terrane, Sections of 3, 8, 10 



— , Blackfoot series of 20 



— , Burke formation of 14 



—.Correlation of sections of 17-26 



Montanian with Canadian sec- 

 tions of 21-26 



Page 



Algonkian, Empire formation of 10 



— - formations of northwestern Mon- 

 tana ; C. D. Walcott 1-28 



, Stratigraphic sections 



of 2-16 



— , Helena formation of 10 



— ■ limestoue, View of, plate 3 6 



— , Marsh formation of 10 



— of the Coeur d'Alene district, Idaho. 14 



— , Pre-Cambrian erosion of 16 



— , Ravalli series of 20 



— -rocks, Total thickness and area of.. 27 

 — , Saint Regis formation of 14 



— sections of northwestern Montana 



and northern Idaho, Table show- 

 ing correlation of 18 



— , Source of the sediments of the 27 



—^, Stratigraphic formation of 16-17 



— , Striped Peak formation of 14, 15 



— , Unconformity of 27 



— , Wallace formation of 14, 15 



Allegheny coal area, Extent of 69 



— ■ — beds of Somerset county, Penn- 

 sylvania 84 



, Nomenclature of 91-92 



measures, Synonymy of 68 



— county, Pennsylvania, Oil records in . 105 



— — — , Section in 179-181 



— formation, Correlation of 69-76 



east of the Alleghenies 76-80 



— ■ — in anthracite fields 216-228 



Kentucky 128-131 



Ohio 109-128 



West Virginia 131-153 



, Occurrence of 88, 90 



of first Pennsylvania basin 80-88 



western Pennsylvania ba- 

 sins 94-103 



— • — , Thickness and composition of. 69,70, 



87, 106, 107, 127, 132, 133, 137-138 



— ■ — of, in Georges Creek basin. ... 78 



— mountains, Analogy of Cape Colony 



ranges with 383-385 



, Source of sediments in 441 



— River system, Grouping of 68 



Alluvial deltas, Formation of ele- 

 vated 38 



— fans, Formation of elevated 38 



Alquife, Spain, Hematite formation 



at 289 



— — , Occurrence and character of Tri- 



assic conglomerate at 290 



. View showing junction of the 



Guadix formation with the Sierra 



Nevada, plate 35 289 



Altyn formation, Occurrence of Beltina 



danai in 19 



— limestone, Correlation and character 



of 19 



American Embassador, Rome, Ac- 

 knowledgments to 720 



Ames limestone, Correlation of 155 



, Location, character, and thick- 

 ness of 155-156 



Ami, H. M., cited on correlation of the 

 basal sandstone of the western Adi- 

 rondacks 584 



— , Geology and paleontology of north- 

 ern Canada 711-712 



— , Geology of Ottawa and its environs 



(abstract) 710 



— , Record of remarks by 694, 712, 718 



(755) 



