818 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 RoMAiXE formation, Mingan islands, 



Beekmantown called 683 



, Oldest Paleozoic strata of Min- 

 gan region 688 



— Island section, Observations on . 686, 687 

 RosENBUscH, H., cited in discussion of 



alkaline rocks 88 



— , Reference to celebration of seven- 

 tieth birthday of 117 



his "Mikroskopische Physio- 



graphie der Massigen Gesteine". ... 91 



RoTHPLETz^ August, quoted on oolitic 



sand of Great Salt lake, Utah. 645, 646 



RuEDEMANN, RuDOLPH, "Types of inliers 

 observed in New York," Reference 

 to 332 



— and Charles R. Eastman ; Anatomy 



and physiology in extinct organisms 74 



John M. Clarke ; Mode of life of 



the Eurypterida 76 



Rules of the Society 49-52 



Russell, I. C, cited on "Contration as 



a geological principle" 648 



dunes in the Carson desert of 



Nevada 647 



fault in Yakutat region 344 



formation of the Newark sys- 

 tem (Jura-Trias) of Appalachian 



region 632 



his monograph on lake Lahon- 



tan 648 



intermont plains of the Great 



Basin region 581 



rock decay 570 



subaerial decay of rocks 630 



the basin ranges 548 



volcanoes of North America. . . 629 



Saint Ellas range, Alaska, Height of. . 343 



— Lawrence, Ordovicic-Siluric section 



of the Mingan and Anticosti 

 islands, Gulf of 677-716 



— Vincent island. Ash and sand de- 



rived from La Soufriere and Wal- 

 libu and Rabaka rivers, 1902, in. . . 637 



Sahara and other deserts, Character of 



sand of 639 



Salt marsh formation near Boston and 

 its geological significance ; Charles 

 A. Davis 29, 766 



Salts of silver. Occurrence of halogen. 791 



Sampaio, Azevedo, cited on size of ant 



colonies 455 



San Andreas ridge, New Mexico, Ero- 

 sional processes in an arid region 

 typified by 561 



Sand and dust storms of arid regions, 



Occurrence and character of 584 



— dunes. Character of 640 



— (gray) of Escambia county, Florida. 635 



— grains. Classification of 626, 627 



, Criteria for the recognition of 



various types of; W. H. Sherzer. . 25, 



625-660 



, Difference between aqueo-residual 



and residuo-aqueos 627 



, Explanation of plates, showing 



types of 657-660 



, Thesis stated of criteria for the 



recognition of the various types of. 



625, 626 



, Typical assemblages reveal geo- 

 logical history of 625 



— of Sahara and other deserts, Char- 



acter of 639 



— type, Concentration 647 



, Glacial 628 



, Organic 643-647 



, Residual 630 



, Volcanic 629 



Page 



Sand types. Aqueous 632-638 



, Composition of organic 644 



Eolian 638-643 



Sandia range. Geologic cross-section of 



the, Figure showing 556 



Sands, Arabian Desert red 643 



— , Beach, dune, and desert 640 



Sandstone, Principle of recognition of 



sand grains applied to Sylvania. . . 650 

 Sandstones of southeastern Minnesota, 



Red 30 



Sangre de Cristo divide, Colorado, Ref- 

 erence to 666 



San Juan mountains, Reference to rock 



streams of 664 



Santa Cruz, California, Natural bridge 



at 326-327 



Sapropelic hypothesis, Microscopic 

 study of certain coals in relation 

 to the (extempore) ; E. C. Jeffreys. 



33, 788 

 Sauropod Dinosaurs, The structure of 



the 74 



Savage, T. E. ; Fauna of the Girardeau 

 limestone and of the Edgewood for- 

 mation 76 



— quoted on natural bridges in Jackson 



county, Iowa 332 



Scallops and meanders ; N. S. W. Jef- 

 ferson 26 



SCARBOBO heights, Canada, Interglacial 



beds of 435, 438, 439 



, Correlation whirlpool drift with. 438 



Schist, Occurrence of chloritic or am- 



phibolite 747, 751 



SCHRADER, F. C, Reference to observa- 

 tions of Alaskan earthquakes 345 



SCHUCHERT, Charles ; Biologic princi- 

 ples of paleogeography 73 



— cited on the Edgewood formation of 



Illinois and Missouri 708 



Ordovicic of Ellis Bay for- 

 mation 704 



— , Discussion on Permian floras in the 



western "red beds" 75 



— elected First Vice-President 2 



President Paleontological Society, 



1910 72 



— , Preliminary meeting for the organi- 

 zation of a paleontological society 



called to order by 69 



— , Reference to "Sj-nopsis of American 



fossil Brachipoda" of 498 



— and W. H. Twenhofel ; Ordovicic- 



Siluric section of the Mingan and 

 Anticosti islands 75, 677-716 



ScuDDER, S. H., cited on occurrence of 



interglacial beds in Canada 435 



"Sea and Land." N. S. Shaler, Refer- 

 ence to 600 



— cliff erosion. Observations on rate 



of ; Charles P. Berkey 29, 778 



Secretary for 1910, Edmund Otis 



Hovey elected 2 



Secretary's report 35-37 



, Paleontological Society 72 



Secondary pseudostratification in Santa 



Barbara county, California ; G. D. 



Louderback 791 



Sedimentation, Catskill 286 



Seeley, H. M., cited on origin of oolitic 



texture in limestone rocks 645 



Seismograms, Plates showing. . . . 375, 376 

 Seismograph records and studies ; 



Alaskan earthquake of 1899. . . 374-383 

 — - — , Intervals and times of maxima, 



Tables showing 377, 378 



— , Speed of transmission of earthquake 



shocks determined by 391-395 



— stations, Map showing location of . . . 383 



