6 J. STANLEY-BROWN INDEX TO VOLUMES 21 TO 30 



Page 

 Age of Ajiierican Morrison and East African Tendaguru formations; 



Charles Schuchert 28, 203 ; 29, 245 



certain plant-bearing beds and associated marine formations in 



South America ; E. AV. Berry 29, fi.37 ; 30. l")'] 



■ mammals," Reference to Osborn's 23, 168 



-Tendaguru formations discussed by A. F. Foerste 28,203 



the Don River glacial deposits, Toronto, Ontario ; G. F. Wright. . 25,205 



— ^ glacial deposits in the Don Valley, Toronto, Ontario; G. F. 



Wright 25,71 



Martinsburg shale as interpreted from its structural and strati-- 



graphical relations in eastern Pennsylvania ; F. F. Hintze 29,94 



• — Red Reds of western Wyoming 26, 229 



— -points given by uranium miner.-Us 28. 875 



Ages of peneplains of the Appalachian provinces ; E. W. Shaw 29, 575 



the Appalachian peneplains ; E. W. Shaw 28. 128 



AiNSLiE, Archibald. Reports of observations of J. C. Gwillim by 21,369 



AiNSWORTH, W. L., Acknowledgments to 28. 421 



Air-breathing, Diagrams sTiowing pos.sible mode of evolution of 27,432 



Airy, G. B., cited on hypothesis of crust of the earth 26, 178 



Akabloouk pass, Alaska 23, 567 



Akerite, Comparison of syenite with 27, 206 



— ( IIy]iersthene .syenite) of Blue Ridge region, Virginia 26, 82 



Akerites, Analyses of 27 207 



Alabama, Crystalline mai'liles of 26, 104 ; 27, 63 437 



rocks of 30, 113 



— ; Geological work in 25. 168 



— , Graphite deposits of 3q 112 



■ — . Oil development in 28, 625 



— pegmatite, Tourmaline in 29 104 



• — , Reference to Eocene shells from 25 101 



Alagoas, Geology of 3q 225 



Alamogordo, New Mexico, Deposit of gypsum and sand near 2I, 647 



Alaska and British Columbia, Subalkaline coast range batholith of.. 21,369 



-Yukon, Differential erosion and equiplanation in portions of. 23. .333.345 



— , Average elevation of mountain uplands in 21, 720 



— , Cambrian or pre-Cambrian sedimentary rocks of 25 187 



— , Canyon and delta of the Copper River in 24. 71, 699 



— , Carboniferous rock formations of 27 196 



— , Correlation of the Cretaceous and Tertiary floras of 24. 116 



— — - — Triassic rocks of 27 704 



— , Devono-Cambrian limestones and dolomites of 25, 190 



— , Devouo-Ordovician shale of 25 195 



— earthquake of 1899, Date of greatest faulting of 2I, 341,' .342 



, Observers of 21 .345 



, Seismologists observing 21. .346 



— , Evidences of oil in 28 678 



— , Glacial deposits of the continental type in 23 44 729 



— , Ghiciation in o^ ^.W 



