PUBLICATIONS. XI 



„ r. T71 pRicF. TO Price to 



BuocHURE. Pages. Plates. Figures. i^j.,,,,o^.s. the Pubmc. 



Stratigraphy of the Carboniferous in Cen- 

 tral Iowa. Charles R. Keyes 277-292 9-10 $0.30 $0 55 



The Chaz}^ Formation in the Champlain 



Valley. Ezra Brainerd 293-300 U .20 .35 



The Petrography and Structure of the 

 Piedmont Plateau in Maryland. G. H. 

 Williams ; with a supplement on A 

 Geological Section across the Piedmont 

 Plateau it! Maryland. C. R. Kkyes__ 301-322 11 1-5 .35 .65 



Tertiary and Post-Tertiary Changes of the 

 Athintic and Pacific Coasts ; with a note 

 on The Mutual Relations of Land-Ele- 

 vation and Ice-Accumulation during 

 the Quaternary Period. Joseph Le 

 CoNTE 323-330 1 .15 .25 



On the Lower Cambrian Age of the Stock- 

 bridge Limestone at Rutland, Vermont. 

 J.E.Wolff 331-338 1-2 .15 .30 



Composition of Certain Mesozoic Igneous 

 Rocks of Virginia. H. D. Campbell 

 and W. G. Brown .* 339-348 .15 .30 



The Cinnabar and Bozeman Coal Fields 



of Montana. W. H. Weed 349-364 13 1-2 .30 .60 



On the Recognition of the Angles of 



Crystals in thin Sections. A. C. Lane. 365-382 14 .35 .70 



The Geology of Mount Diablo, California. 

 H. W. Turner; with a supplement 

 on The Chemistry of the Mount Diablo 

 Rocks. W. H. Melville 383-414 15 .40 .80 



Two Belts of Fossiliferous Black Shale in 

 the Triassic Formation of Connecticut. 

 W. M. Davis and S. W. Loper 415-430 1-3 .20 .40 



Mesozoic and Cenozoic Formations of 

 Eastern Virginia and Maryland. N. 

 H. Darton 431-450 



On the Triassic of Massachusetts. B. K. 



Emerson 451-456 17 .20 .40 



Glacial Grooves at the Southern Margin 

 of the Drift. P. Max Foshay and 

 R. R. HiCE 457-464 18 1 .25 .45 



Post-Pleistocene Subsidence versus Gla- 

 cial Dam?. J.W.Spencer 465-476 19 _: .20 .35 



On the Geology of Quebec and Environs. 



H. M. Ami 477-502 20 .35 .70 



The Comanche Series of the Texas- 

 Arkansas Region. R. T. HiLi 503-528 .30 .55 



Carboniferous Fossils from Newfound- 

 land. Sir J. William Dawson 529-540 21-22 .35 .65 



A proposed System of Chronologic Car- 

 tography on a Physiographic Basis. T. 

 C. Chamberlin; with The Geological 

 Dates of Origin of certain Topographic 

 Forms on the Atlantic Slope of the 

 United States. W.M.Davis 541-586 1-6 .50 1.00 



Variations in the Cretaceous and Ter- 

 tiarv Strata of Alabama. D. W. Lang- 

 don, J r 587-606 23 .40 .80 



Proceedings of the Washington Meeting. 

 J. J. Stevenson, Secretary. (With 

 Index, List of Contents, etc., for the 

 Volume.) j ^0;:^J2|_____ g^ ^ ^^ 



16 



1 



.30 



17 -. 







.20 



18 



1 



.25 



19 .. 





.20 



