268 J- STAXLEY-BROWX INDEX TO VOLUMES 21 TO 30 



I'age 



SiLURic discussed l>.v ^larjorie OToinu'll 28. 130 



— W. II. Twenhofel 28, 130 



M. V. Williams 28, 129 



— , Further studies iu New York 29, 02 



— in Out.'irio and New Yoi'k, The Cataract: A new formation at the liase 



of the 24. 10- 



— , Medina, .-ind ( 'ataract formations of the 25. -77 



— sections; from Rochester to Lake Huron 25, 304-320 



— system, Anticosti Island Xia:j;aran ( Anticostian ) series 21,704-710 



Silver Ctty quartzites. A Kansas metamorphie area ; ^V. II. Twenhofel. . 



28, 164, 419 

 SiiA'ERTON folio (Colorado), Remarkabl(> rock debris described by Cross 



and Howe in 21. 663 



SiLVESTRi, O., cited on Kilaueau rock analysis 27, 54 



Simmer, Hans, quoted on direction of fracture lines in Africa 22, 162 



Simpson, , cited on occurrence of intei-.^lacial lieds in Canada 21,435 



— , Fossils secured near the house of 25, 307 



Sinclair, J. H. ; Cretaceous of Alberta, Canada 27, 85, 673 



Sinclair, W. J., acted as secretary at meeting of Vertebrate Paleontology 



Section 27, 149 



— cited on Ojo Alamo beds 25. 379 



— Nacimento terrane 25. 382 



Puerco mammals , 25, 338 



Torrejon stratigraphy 25. 401 



— ; Contributions to geologic theory and method 23. >*<•. 262 



— , Correlation and paleogeography discussed by 23, 85 



— , Discussion on Varauosaurus species, a Pernnan I'elycosaur 21,74 



— ; Labyrinthodout from the Newark series 28, 213 



— ; "Laramie?" Puerco and Torre.1on in the San Juan Basin. New Mexico 



25, 138 



— , Pyrotherium Peds of I'atagonia discnssed l)y 24, 52, 107 



— , Reference to investigations by 25, 323 



studies of Eocene faunas by 25. 144 



symposium i)aper by 25, 130 



— ; Some Glacial deposits east of Cody, Wyonung, and their relation to 

 the Pleistocene erosioual history of the Rocky Mountain region . . 



23, 45, 731 



— and Granger, Walter ; Eocene and Oligocene of Wind River and Big 



Horn basins 22, 63, 722 



;The Lambdotherium zone in the Big Horn basin, Wyoming... 22,95 



— and Ulrich, E. O. ; Interdependence of stratigrai)liy and paleontology 21, 73 

 SiNGEWALD, J. T., Jr.; Microstructure of titaniferous magnetites.. 24,73,704 



— ; Sand-chrome deposits of Maryland 30. HI 



SiNNOTT, E. W., cited on evolution of herbs 30, 528 



Sioux Falls and vicinity. Bluff sections 23. 1.30-144 



, Loesses of 23, 153 



, Pleistocene of 23, 125-154 



, Table of elevations 23, 153 



