862 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Tage 

 Fddex. J. A. : Sonie cavern deposits in 



the Permian in west Texas 153 



Dlrich, E. O. ; Few more facts bearing 



on the correlation of the Chester 



formation 208 



— ; Ordovician '"hypoparian" genera of 



trilobites 205 



— : Revision of the Paleozoic systems. 



Part II : The Ordovician 112 



— ; Some new facts bearing on correla- 



tions of Chester formations 805 



T'xattached simple Paleozoic corals ; 



A. F. Foerste 201 



Fxderdrag of the Great Basin ranges. . 92 

 T'pham. Warrex ; Memorial of George 



Frederick Wright 15 



— : Stages of the Ice Age 100. 401 



Fpper Pawnee Creek beds : F. B. Loomis 211 

 Fse of foraminifera in determining un- 

 derground structure, especially in 

 petroleum mining : J. A. Cushman . 145 



plans and elevations in teaching 



geometrical crystallography ; A. F. 

 Rogers 220 



Ftah. Geology of Colorado River in 



southeastern 122 



Value of the physical characters of 

 sand grains in the interpretation 

 of the origin of sandstones : J. J. 



Galloway 104 



Yariatioxs or specific distinctions : 



which ? R. S. Lull 500 



Vein structures. Origin of 224 



Vermoxt. Cambrian succession in 123 



— , Mount Monadnock a monteregian 



hill in 127 



Vertebrate faunas of the Pleistoeene. 156 

 Virginia, Pre-Pennsylvanian rocks of.. 08 

 Yolcaxic activity, A source of heat in. 144 



— ash beds in the Ordovician of Ten- 



nessee. Kentuckv. and Alabama : 



AY. A. Nelson 1.12. 605 



V< in: of thanks 136 



Tage 

 Walker. T. L.. and A. L. Parsoxs ; 

 Tubular amygdaloid from Nova 



Scotia 126 



Washington". H. S. ; Deccan traps and 



other plateau basalts 146. 765 



— : Isostasy and rock density 114. 375 



— : Jades of middle America 220 



Weight of sedimentary rocks per unit 



volume : A. C. Lane 114. 3.".?, 



What constitutes the Altamont mo- 

 raine? F. Leverett 102 



Wherry. E. T. ; Latent merosymmetry . 229 



— and F. Y. Shaxxox ; Crocidolite from 



eastern Pennsylvania 229 



: White chlorite from eastern 



Pennsylvania 229 



White chlorite from eastern Pennsyl- 

 vania : E. T. Wherry and E. V. 



Shannon 229 



Whitlock. H. P., Secretary ; Proceed- 

 ings of the Second Annual Meeting 

 of the Mineralogical Society of 

 America, held at Amherst. Massa- 

 chusetts, December 29, 1921 227 



Whitman'. A. R. : Some new aspects of 



the geology at Cobalt 189 



Wilcox. G. A. ; Montezuma hills 189 



Willis. B. ; Mechanics of the San An- 

 dreas fault 189 



— : Role of isostatic stress 114. 371 



Wisconsin ice-sheet. Ablation of the 



eastern lobe of 117 



Wolff, J. E. ; Mount Monadnock, Ver- 

 mont — a monteregian hill 127 



Wood. H. O. : Some considerations 



touching on isostasy 114, 303 



Wright. G. F.. Bibliography of 22 



— . Memorial of 15 



Wyoming Lower Miocene at Van Tassel 211 

 — . Paleozoic-Mesozoic contact through- 

 out l".."i 



Yellowstone Park plateau. Deep-seated 



faults of region northeast of 99 



