SIBERIA SILURir 267 



Page 



Siberia, Mammotb tusks froiu Lena Itivcr 26. 407 



Sicke:xbebgek, E., cited on origin of oil 38. "30 



SiEBERG, A., cited on Stromboli '28. -55 



Sierra de los Cabalix>s, Reference to faiilt-scarps of 26, 65 



Sierra Nevada bedroclj complex, General features of the structure of the 24, 9S 



, Structure of the southern ; J. P. P.uhvada 26, 403 



, Tertiary-Quaternary orogenic history of 27, 46 



SiESTAX and Orindan formations. Fauna of 25. 156 



SiGXAX Corps Scliool of Meteorology ; O. L. Fassig 30, 106 



Significance of glass-making processes to the petrologist : N. L. P>owen 29, 102 



sedimentary rhythm : J. Barrell 28- 162, 206 



.sorting in sedimentary rocks ; K. W. Shaw 28. 16'!. 2*i7. 925 



the Sherburne bar in the Upper Devonic stratigraphy: A. W. Gra- 



bau 29, 127 



-sandstone in upper Devonic stratigraphy: A. W. Grabau. . . 30,423 



SiLEXiTE dikes of New York 30, 93 



Silica, The various forms and mutual relations of; Clarence E. Fcnner. 



24, 53, 681 



Silicate melts, Diffusion in 27, 48 



, Hydrous 29. 102 



Siliceous oolites in shale ; W. A. Tarr 29. 103 



SiLicisPO.NGLE of the Cretaceous 29. 142 



SiLLiMAX, B., cited on early oil fields 28. 621 



Silurian calcareous alg;e 25. 137 



— deposits of the Appalachian region 28, 202 



— Devonian climates, Influenf-e on air-breathing vertebrates of 27. 387 



vertebrates of 27, 40 



— -Downtonian formations, Stratigraphy of uppermost 27, 364 



— floras 30, 507 



— formation of Hudson Bay region, Correlation of 30, 367 



— formations of southeastern New York, New Jersey, and Penn.sylvania ; 



Charles Schuchert 27, 531 



— fossils of Hudson Bay region 30. 353-370 



— of Brazil 30, 207 



— Ordovician boundary, Inconsistencies in drawing the 27. 463 



— paleogeography. New Points in 29, 88 



— section of England, Brachiopods of the Edmunds fauna in the 24, 382 



— sections 27, 540 



— strata of the Anticosti embayment correlated \nth Alexandrian rocks 



27, 312 

 — , Stromatopora from the 30, 157 



— sy.stem of Maryland ; C. K. Swartz and W. F. Proutj- 27, 89 



— southwestern Ontario 25, 40 



SiLURic and Ordovicic systems. Contacts between 25, 286 



— beds. Reference to Gulf of Saint Lawrence region. Bay de Chaleur 



and Arisaig, Nova Scotia 21, 716 



^, Comparison of the European and American 28, 129 



