5 







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 .15 



X BULLETIN OP THE GEOLOGICAL SOCIETY OF AMERICA 



Brochures of Volume 18 



Brochures. Pages. Pi,ate6. Figures, ^^^'f^^" ,lT"vZ.. 



Concentration as a geological principle. 



I. C Russell 1-28 10.20 $0.30 



Carboniferous of the Appalachian basin. 



J.J.Stevenson 29-178 1.20 1.80 



Galena series. F. W. SardesOxN 179-194 .... 1-2 .15 .25 



Structure and correlation of Newark trap 



rocks of New Jersey. J. V. Lewis. . . . 195-210 1-2 20 .30 



Afton craters of southern New Mexico. 



W.T.Lee 211-220 3-4 1 .15 .25 



Conditions of circulation at the sea mills 



of Cephalonia. M. L. Fuller 221-232 .... 1-3 .10 .15 



Origin of ocean basins in the light of the 



new seismology. W. H. Hobbs 233-250 



Cave-sandstone deposits of the southern 



Ozarks A. H. Purdue 251-256 6 1-2 .10 .15 



Recent advance of glaciers in the Yakutat 



Bav region, Alaska. R. S. Tarr 257-286 7-23 80 L20 



Uinta mountains. S. F. Emmons 287-302 24 1-2 .15 .25 



Volcanic rocks of the Mount Taylor re- 

 gion, New Mexico. D. W. Johnson . . 303-324 25-30 1-10 .40 .60 

 Stratigraphic succession in the region 



northeast of Cook inlet, Alaska. S. 



Paige and A. Knopf 325-332 .... 1 .10 .15 



Lateral erosion on some Michigan rivers. 



M.Jefferson 333-350 .... 1-5 .20 .30 



Some characteristics of the glacial period ' . 



in non-glaciated regions. E. Hunt- 

 ington .^ 351-388 31-39 1-16 



A theory of continental structure applied 



to North America. B. Wellis 389-412 



Glacial erosion in the Northfiord. M ■ Jef- 

 ferson .413-426 40-42 1-2 



Stratigraphy and structure of the Uinta 



range. F. B. Weeks 427-448 43-48 1- 3 



Origin and significance of the Maucli 



Chunk shale. J. Barrell 449-476 49-52 1 



Asymmetric differentiation in a bathylith 



of Adirondack syenite. H.P. Cushing. 477-492 53 



Origin of Meteor crater (Coon butte), 



Arizona. H. L. Fairchild 493-504 54-56 1 



Complexity of the glacial period in north- 

 eastern New England. F. G. Clapp.. 505-556 57-60 1-9 

 Proceedings of the Nineteenth Annual 



Meeting, held at New York, N. Y., 



December 27, 28, and 29, 1906, including 



proceedings of the Eighth. Annual 



Meeting of the Cordilleran Section, 



held at Stanford University, California, 



December 28 and 29, 1906. E.O.Hovev, 



Secretary 557-717 61-74 1 L80 2.70 



70 



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