INDEX TO VOLUME 24 



735 



Page 

 Sinclair, W. J., Pyrotherium Beds of 



Patagonia discussed by 52, 107 



Singewald, Joseph T., Jr. ; Micro- 

 structure of titaniferous magnetites 



73, 704 

 Shales, Brain structures of fossil fishes 



from the Caney 119 



— of Nebraska, Plant tissue in the Car- 



boniferous 113 



Shawangunk and Longwood delta de- 

 posits, Conclusions regarding ori- 

 gin of 526 



— conglomerates, Delta deposits of 



North America 492 



— formation, Front Ridge of the north- 



ern Appalachians 480 



Shear zone, Northumberland Volcanic 



Plug 340 



Shells, Rock-boring 130 



Shenandoah Valley, Virginia, Petrology 

 of a series of nepheline syenite, 

 camptonite, monchiquite, and dia- 

 base dikes in middle. . . 53, 302-334, 682 



Shimer, H. W. ; Spiriferoids of the Lake 



Minnewanka section, Alberta 112, 



233-239 



Shinarump conglomerate ; Herbert E. 



Gregory 52, 679 



Shorelines, Contra-imposed ; Charles 



H. Clapp 72, 6C9 



Slates at Slate Springs, California, Ju- 

 rassic age of; Charles H. Davis. . . 131 



Smith, Elliot, Reference to his obser- 

 vations on the Tupaiidae 248 



Smith, Eugene A., elected President. . . 9 



Smith, J. P., Pacific Coast Section of 

 the Paleontological Society presided 

 over by President 126 



— , Structure of the Sierra Nevada bed- 

 rock complex discussed by 98 



— ; The biogenetic law illustrated in the 



development of fossil Cephalopods. 129 



Smoker in honor of the Geological So- 

 ciety of America, the Paleontolog- 

 ical Society, and the Association of 

 American Geographers, Given by 

 the local members of the three or- 

 ganizations 54 



Solid substances, Effect of high pres- 

 sure on 50, 674 



South America, Bibliography of the 

 geological and geographical litera- 

 ture of the Andean Republic of... . 75 



Speculative nature of geology ; W. M. 



Davis 70, 687 



Spencer, J. W., Deformation of the Al- 

 gonquin Beach discussed by 71 



— ; Evolution of the Falls of Niagara, 



Reference to 226 



— ; Extended determination of post-Gla- 

 cial earth movements from the 

 Lake region to the Saint Lawrenco 

 Valley 74, 217-227, 714 



— , Geological light from the Catskill 



Aqueduct discussed by 74, 711 



— , Glacial erosion in the Genesee Val- 

 ley system and its bearing on the 

 Tertiary drainage problem of east- 

 ern New York discussed by. . . . 76, 718 



— , Post-Glacial earth movements dis- 

 cussed by 71."> 



— , Submarine charmccyparis bog at 



Woods Hole discussed by 72 



— ; The Great Lake basins in (heir re- 

 lationship to the Niagara limestone. 



76, 229 



Spiriferoids, Affinities of the fauna. . . 2:; I 



— of Lake Minnewanka section. Distl'i 



bution of 284 



, Alberta ; II. \Y. Shimer. 112, 



233-231) 



Page 



Spiriferoids of Lake Minnewanka sec- 

 tion, Description of Devonian, Mis- 

 sissippian, and Pennsvlvanian spe- 

 cies 235-239 



Springer, Frank, collection of Crinoids, 



Reference to 110 



— ; Crinoid genus Scyphocrinus and its 



bulbous root, Camarocrinus 110 



Stalder, W., Eocene of the Coalinga- 

 Cantua district, California, dis- 

 cussed by 127 



Stanley-Brown, Joseph, elected Editor 9 



Starks Knob, Constituent material, in- 

 clusions, and region 337 



— ■ — , Inclusions and age of the igneous 



rock 348 



named by J. B. Woodworth. other- 

 wise Northumberland Volcanic Plug 336 



, Structural features. Microscopic 



character and chemical composition 



of 330-344 



Staurolites and pisanite, A new occur- 

 rence of 54. 686 



Storms in China, Dust 92 



Stratigraphic succession of the Cam- 

 brian faunas in the Rocky Moun- 

 tains of British Columbia ; C. D. 

 Walcott 52 



Stratigraphy and age of the Fyrothe- 

 riuin beds of Patagonia, Prelimi- 

 nary discussion of the 52, 107 



paleontology of southwestern 



Washington, Tertiary 131 



the Alexandrian series in 



Missouri and Illinois 111. 351-375 



Stromatoporoids from Pennsylvania. 

 Exhibition of polished specimens of 

 Ozarkian ; G. R. Wieland 115 



Structural geology of the Hanover 

 district, New Hampshire. Notes on . 



no. 672 



Structure of the bedrock complex of 

 the Sierra Nevada, General features 

 of the 98 



Submarine chamsecyparis bog at Woods 

 Hole, Massachusetts, and its rela- 

 tion to the problem of coastal sub 

 sidence : Douglas W. Johnson.. 72,600 



Sumatra, Displacements of triangula- 



tion stations in 51. <>7t> 



Surface forms on faulted structures, 



Nomenclature of 187-215 



Taconic Mountains. Further discoveries 



in the ; Arthur Keith 53, 680 



Taff. .1. A.. Dust storms in China dis 



cussed by '•';; 



— ; Eocene of the Coalinga-Cantua dis 



trict, Fresno County. California... 127 



— , Remarks on the unconformity at 



base of Tamiosoma /one by 132 



Tamiosoma zone in the Coalings oil 

 field. California, Evidence Indlcal 



ing unconformity at the base of 



(he; John II. Ruckman 182 



Tark. Ralph Stockman Bibliography 



of 11 



— , Memoir of: .1. lb Woodworth 20 



— quoted on glacial erosion of 1 he Fin 



ger bake valleys 180. 140 111 



Taylor, Frank b. ; Characters ^\ the 

 older sections of the Niagara Gorge 

 and their correlation with Gren.1 

 Lakes history 72, 702 



Tbmasopa limestone, Mother rock of pe 

 troleum of Gulf coast o( Mexl 



TBMBl OH fauna of the San .b.s,- and 



Mount- Hamilton quadrangles, Thick 



ness Of ; "*' 



