708 



BULLETIN OF THE GEOLOGICAL SOCIETY OP AMERICA 



Origin and significance of the Maiich "^ 

 Chunk shale, by Joseph Bai-i-ell. 440-470 



— of Meteor crater (Coon butte). Ari- 

 zona, bj' Herman L. Fairchild. 403-504 



-ocean basins in the light of the 



new seismology, by William Her- 

 bert Hobbs 233-250 



— • — South American bears, by .John 



C. Merriam (abstract)....'. fifiO 



Osfrea rirginica. Location of 522-523 



Over Bodal hanging valley, Character 



of 418 



OwEX, D. D., Reference to reports of.. 102 



OxiniziNG iron. Occurrence in Meteor 



crater, Arizona, of 500 



Ozark, Character and location of the. 



395, 898 



Pacific mountains. Concentration of 

 residual minerals in 



— ocean. Effect of disturbances be- 



neath 



— region. Continental element in 



— thrust. Effect on positive and nega- 



tive elements of 



Packard, A. S,, Junior, cited on ero- 

 sion of gravels 



' geographic range of fossils... 



— , "Leda clays" studied by 



Paige. Sidxey (and Adolph Knapp). 



Title of paper by 



, Stratigraphic succession in the 



region northeast of Cook inlet. 



Alaska . 325- 



Paleogeography of the American De- 



vonic 



Paleontology of the Pennsvlvanian 



Notes on the 164- 



Paleozoic Appalachia, Character of. . . 



— beds of the Uinta mountains 



. Faults in 



— coal beds. Origin of 



— , Continental structure during the. . . 

 Pale.stine, Occurrence of strata of the 



Permian age in 



Palisades sill. Continuity with Rocky 

 Hill trap of 



, Extension of the 205- 



, Inclusion of mount Cillioa in... 



Pennington, Baldpate, and 



Sourland mountains in 



• , Offshoots of the 



.Structure of the 204. 



Pandora {CUrlrophora) (lOulOiana, Lo- 

 cation of 522- 



Pannmya arctica. Location of 522- 



Paris, Maine, Exposures of till at. . . . 



Parkins, A. E., Battle Run river ero- 

 sion measured by 



— , Reference to 341. 



Parks, William A., elected Fellow. . . 



'Patagonia. Presence of Australian and 

 Tasmanian fauna in 



Paw Paw river. Location and charac- 

 ter of 



, Measurements of scours on . 340, 



Peale, Charles Wilson, Paper on 

 painting by 



— , Photogranh of painting by 



Peat bed. Occurrence of, at Cape Bre- 

 ton 



Peck, Frederick B.. Title of paper by. 



Pccten (Chlami/s) islandicus, Location 

 of 522 



— (Psei(flomusciim) f/ronlatnliciis, Lo 



cation of 



— islandicus. Location of 



— nuiriellariicus. Location of... 

 Penck, Albreciit, cited on Norwegian 



glaciers 



13 



305 

 307 



.395 



528 

 519 

 530 



649 



332 



653 



178 

 399 

 288 

 295 

 26 

 393 



387 



196 

 209 



106 



196 

 207 

 205 



523 

 523 

 516 



343 

 342 

 570 



346 

 347 



650 

 650 



509 

 649 



-.22 

 r.oo 



523 



523 

 .5 '* 3 

 523 



417 



Page 



Penck, Albrecht, Reference to 426 



X^ENFiELD, Samuel Lewis, Bibliog- 

 raphy of writings of 578-582 



— , Memoir" of, by Joseph P. Iddings.. 



572-.5S2 



— , Portrait of 572 



Pennington mountain. Intrusive traps 



of the 206 



Pennsylvania, Allegheny formation in. 150 



— bituminous area, Character of 147 



— , Erosion in 452 



— , Jlonongahela formation in 30 



— , Occurrence of Benwood limestone 



in 38 



Fishpot limestone in 35 



Lower Sewickley coal bed in . . 3(; 



Redstone coal bed in .' 35 



limestone in 34 



Sewickley coal bed in 36 



sandstone in 36 



Uniontown coal bed in 39,40 



limestone in 39 



sandstone in 41 



Waynesburg coal bed in. 42,43,44 



- — railroad. Coal beds along the 55 



— .Upper Sewickley coal bed in 30-37 



Pennsvlvanian, Geographical changes 



during the 142-164 



— .Notes on the paleontology of the.. 



164 

 Pf.rcival, J. G., Reference to reports 



of 



Permian age. Glacial records of the... 

 . Occurrence of strata of the 



— and Pleistocene strophes. Compari- 



son of 



— formation. Wasatch section. Age, 



character, and thickness of 432 



— ^ period, (Oceanic revolutions of the.. 250 



— Permo-Carl^oniferous beds. Descrip- 



tion of 439 



— ■ , Nomenclature and correlation 



of 



Permo-Carroniferous climatic changes 



in South America, by David White. 



— formation, Uinta range. Age, char- 



acter, and thickness of 



— ■ red beds. Occurrence of 



-178 



192 



26 



387 



384 



439 

 624 



Perptisa lapillus, Location of 522- 



View showing eolian deposits 



236 



432 



216 



Persia. _ , 



in 381 



Petroleum as a result of mechanical 



concentration 19 



Pliohm crifspata. Tjocation of 522-523 



Photographs, Report of Committee on. 611 

 Physiography of the lower Hudson 



valley, by J. F. Kemp (abstract). 610 

 'Pittsburg coal bed. Composition of. 31, 32, 



53 



in Maryland 



Ohio 



West Virginia 



Location and extent of. 



64, 



82 



33 



. 32, 33 



. 32, 33 



30, 31, 



157, lij.s 



showing 



vana- 

 ... 46, 



, Measurements 



tions in 46, 47 



, Nomenclature of 30 



, Occurrence and thickness of. 31-34, 



46, 52. 53. 55, 60-61, 6.3-68, 

 71. 72. 78. 80. 83-95 



.Proportion of volatile in..... 32 



. Variations in production of. 32, 54 



structure and quality 



of -19. -"O 



l)Pds of Monoigahela formation.. 30 



— sandstone in Ohio 34 



Tenns.vlvapi-i 34 



West Virginia -34 



, Occurrence of 34, 91, 158 



.So-called Trenton termed 187 



