762 INDEX TO VOLUME XIX 



PAGE 



Drawing-Board with Revolving Disk for Stereographic Projection, A. 



By Albert Johannsen . . . . . . .752 



Duffield, T. A Review of Mining Operations in the State of South 

 Australia during the Half- Year Ended December 31, 1910. Re- 

 view by A. D. B. . . . -. . . . . . 479 



Duparc, L., and G. Pamphil. Sur l'issite, une nouvelle roche filonienne 



dans la dunite. Review by F. C. Calkins ..... 464 



Duparc, L., and M. Wunder. Sur les Serpentines du Krebet-Salatim 



(Oural du Nord). Review by F. C. Calkins .... 464 



Duparc, Wunder, and Sabot. Les mineraux des pegmatites des environs 



d'Antsirabe a Madagascar. Review by W. R. Schaller . . 182 



Economic Theory with Special Reference to the United States. By 



Heinrich Ries. Review by W. H. E. . . . . . 90 



Editorial: Artesian Waters of Argentina. By B. W. . . .178 



Editorial: The Seeding of Worlds. By T. C. C. . . . . 175 



Editorial. By T. C. C 660 



Edmonton Coal Field, Alberta, The. By D. B. Dowling. Review by 



W. A. T 477 



Eisenmeteorit von Muonionalusta im nordlichsten Schweden, Ueber 



einen. By A. G. Hogbom. Review by W. T. Schaller . . 184 



Elemente der Gesteinslehre. By H. Rosenbusch. Review by Edward 



B. Mathews 284 



Elements of Geology. By Eliot Blackwelder and Harlan H. Barrows. 



Review by R. T. C. . . . . . . . . 473 



Emmons, William H. The Agency of Manganese in the Superficial 



Alteration and Secondary Enrichment of Gold Deposits . . 15 



Erlauterungen zur geologischen und mineralogischen Karte des ost- 



lichen Aaremassivs von Disentis bis zum Spannort. By Joh. 



Koenigsberger. Review by Albert Johannsen .... 283 

 Erythrosuchus, Vertreter der neuen Reptilordnung Pelycosimia, Ueber. 



By F. von Huene. Review by S. W. Williston .... 661 

 Evolution of Limestone and Dolomite. I, The. By Edward Steidt- 



mann ........... 323 



Evolution of Limestone and Dolomite. II, The. By Edward Steidt- 



mann ........... 392 



Explosive Mine Gases and Dusts with Special Reference to Explosions 



in the Monongah, Darr, and Naomi Coal Mines, Notes on. By 



Rollin Thomas Chamberlin. Review by E. R. L. . . . . 94 



Farrington, Oliver Cummings. Meteorite Studies, III. Review by 



E. R. Lloyd 284 



Focus of Postglacial Uplift North of the Great Lakes, The. By J. W. 



Spencer ............ 57 



Forbes, William T. M. A Geological Route through Central Asia Minor 61 



