568 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Appekunny formation, Montana,Structure of 330 

 Archean period, Orogenic movements dur- 

 ing, in South Dakota 28 



Arctic slope province, northern Alaska, 



Topographic character of 236-237 



Arikaree, lake, Extent and location of. 37 



Arizona, Geological work in 102, 107, 108 



— , Photographs from, Catalog of. 385-386 



Arkansas, Eureka shale in 274, 288 



— , Geologic work in 108 



— , Saint Clair limestone in 274, 288 



— , Saint Joe marble in 274 



— , Sylamore sandstone in 274, 288, 289 



Arkona, Ontario, Section of Hamilton group . 



near 154-157 



Arnold, Delos, and Ralph Arnold, Title of 



paper by 546 



Arundel formation, Maryland, Boundary 



between Patuxent formation and 196-197 



, Dip, strike and thickness of 195-196 



, Distribution of 197 



, Economic products of 197-198 



, Lithologic characters of 194-195 



, Maps showing 187,188 



, Organic remains of. 195 



, Section of. 197 



Ashley, G. H., Work of 105 



Asia, Origin and distribution of loess in.. 127-138 



— , Recent orogenic changes in..... 135-138 



Atlantic coast, Former extent of Newark 



system along 139 



— slope, Crystalline floor of, inclination 



of 209-211 



, Strike of beds along 188 



, Vertical section across, generalized... 212 



, Well records of 210, 211 



, Middle, Geology of the Potomac group 



in 187-214 



Azoic era in Tennessee, Geologic forma- 

 tions of, Table showing 11 



Badlands, Photographs from, Catalog of. 448-449 



Bahia, Fossils found on 47 



Baikal, lake, Age of 530 



, Features of 136 



Bailey, L. W., cited on ancient volcanic 



rocks in Canada 370 



Bakerstown coal, Conemaugh formation of 

 Maryland, Character, position, and 



thickness of. 225 



Baltimore, Md., Records of wells at 210 



— , Section of Patuxent formation near 194 



Baranoe island, Mountains on 255 



Bartlett's Mills, Ontario, Section near.. 157-159 

 Bascom, F., cited on alteration of rocks in 



greenstone areas of South Mountain, Pa.. 367 

 ancient volcanic rocks in Pennsyl- 

 vania 370,371,375, 376 



Bayley, W. S., cited on ancient volcanic 



rocks of the Lake Superior region 370 



New England 370 



— , Work of 105, 106 



Beach deposits, Photographs of, Catalog of.. 449 

 Bearing of Clinton and Osgood formations 

 on age of the Cincinnati anticline [ab- 

 stract] ; August F. Foerste 531-532 



Becker, G. F., cited on feldspathic sand- 

 stones at Sitka, Alaska 261 



geology of southeastern Alaska 254 



—.Work of 108, 109 



Bedford limestone, Indiana, Character and 



position of 519, 520 



Beecher, C. E., cited on terms nepionic, 



neanic and ephebic 173 



— , Work of. 104, 111 



Beekmantown formation, Canada, character 



and position of 518 



Bell, Robert, cited on ancient volcanic 



rocks in Canada 370 



Benson, J. W., Acknowledgment to 5 



Page 

 Benton shale, Montana, Character and oc- 

 currence of 315,326-327 



— , Fossils of. 326-327 



, View showing 311 



Bergman series, Alaska, Age of 247 



, Character and occurrence of.... 246-247 



, Structure of 247 



Berkey, Charles Peter, elected Fellow 1 



Berkleyan formation, California, Character 



and thickness of. : 545 



Bibbins, A., Clark, W. B. and ; Geology of the 

 Potomac group in the middle Atlantic 



slope. 187-214 



, Title of paper by 521 



Bibliography: E. W Claypole 491-497 



— : George M. Dawson 502-509 



— : Hamilton group of Thedford, Ontario... 186 



— : Ralph Dupuy Lacoe 515 



— : Theodore Greely White 517 



Big Sioux river, Pleistocene course of 35 



— diversion of 38 



gradient of 36 



— valley, Glacial striae in 34 



Birdseye formation, Canada, Character and 



position of. 518 



Birge, E. A., Acknowledgment to..... 6 



Bishop, I. P., cited on thickness of Hamil- 

 ton and Marcellus beds 163 



— , Photographs by, Catalog of 422 



Blake, William P., cited on geology of 



southeastern Alaska 254 



— , Work of. 107 



— , Title of paper by 542 



Black Hills region* South Dakota, Differen- 

 tial movements in 28 



, Streams in, Shifting of. 36 



, Terraces of streams in 35-36 



, Tertiary freshwater lake in 29, 30 



Black River formation in Canada, Position 



and character of. 518 



Blackwater formation, Maryland, Corre- 

 lation of. 218 



Blatchlky, W. S., Work of 105 



Bolinas sandstone, California, Character 



and thickness of 545 



Bolivar fire-clay, Allegheny formation of 



Maryland, Character and position of..... 222 

 Bon Air formation, Tennessee, Geologic 



place of. 10, 13 



Bonita sandstone, California, Thickness of.. 545 

 Booth, J. C, cited on taxonomy of the Po- 

 tomac group (table) 190 



Boundary mountains, View of. 330 



Bownocker, Work of.. 105 



Boyer lake, Age of basin of. 303 



, Origin of basin of. 298-299 



, Relation of Helen Mine iron ore to 



basin of. 300-303 



— * — , Topography near 295-297 



Branco, Cape, Brazil, Stratigraphy near... 49-50 



, Section at 57 



Branner, J. C, cited on age of Maria Farinha 



beds :... 48 



— , elected Second Vice-President 486 



— , Fossils collected by, from coast of Per- 



nambuco 47 



— ; Geologvof the northeast coast of Brazil. 41-98 



— , Title of paper by 10 



— , Work of 108 



Brazil, Coastal sediments of 46 



— , Elevations along railways in.. 51, 66, 76, 86, 93 



— , Fossils from, Description of. 43-45 



, List of 47 



— , Geology of the northeast coast of 41-98 



— , Sandstone exposures on coast of Para- 



hyba in 46-51 



Brigham, A. P., Record of remarks by... 530, 536 

 Brooks, A. H., cited on geology of south- 

 eastern Alaska 254 



greenstone schists of Alabama 370 



Nutzotin series 264 



