INDEX TO VOLUME X 927 



PAGE 



Colorado and Northern New Mexico, The Morrison Shales of Southern. 



Willis T. Lee ----------- 36 



Colorado Meteorite, The P>anceville, El Paso County. H. L. Preston - - 852 

 Colorado. Note on the Carboniferous of the Sangre de Cristo Range. Wil- 

 lis T. Lee ----------- 3^3 



Composition, Origin and Relationships of the Corniferous Fauna in the Appa- 

 lachian Province of North America, The. Stuart Weller - - - 423 

 Conglomerates, Etching of Quartz in the Interior of. M. L. Fuller - - 815 

 Cora, Crotalocrinus, Hall. Stuart Weller - - - - - - - 532 



Corniferous Fauna in the Appalachian Province of North America, The Com- 

 position, Origin and Relationships of the. Stuart Weller - - - 423 

 Cretaceous Pterodactyl, On the Skull of Nyctodactylus. An Upper. S. W. 



Williston ------------ 520 



Cross, Whitman, Geologic Formations versus Lithologic Individuals - - 223 

 The Development of Systematic Petrography in the Nineteenth Cen- 



tlir Y ------ 331, 4S 1 



Cross, Whitman, Joseph 'P. Iddings, 'Louis V. Pirsson, Henry S. Washington, 

 A Quantitative Chemico-Mineralogical Classification and Nomen- 

 clature of Igneous Rocks --------- 555 



Crotalocrinus Cora, Hall. Stuart Weller ------- 532 



Crystalline Schists, The Mapping of the. William Herbert Hobbs. 



Part I - - 780 



Part II -----..-.-. 858 



Davis, W. M., Baselevel, Grade, and Peneplain ------ 77 



Development of Systematic Petrography in the Nineteenth Century, The. 



Whitman Cross - - - - - - - - - 331, 451 



Development of the Profile of Equilibrium of the Subaqueous Shore Terrace. 



N. M. Fenneman ---------- j 



Diabase from the Trias of Massachusetts, Holyokeite, A Purely Feldspathic. 



B. K. Emerson ---------- 508 



Eastman, C. R. The Carboniferous Fish - Fauna of Mazon Creek, Illinois - 535 



Eckel, Edwin C, Summaries of the Literature of Structural Materials - 442, 542 



The Preparation of a Geologic Map ------- $g 



Editorials : 



T. C. Chamberlin. Antiquity of Man in America ----- 753 



Recent Development of Petrography ------- 433 



C. R. Van Hise. Upon "The Nomenclature of the Lake Superior For- 

 mations," by A. B. Willmott - - - - - - - - 112 



El Paso County, Colorado, Meteorite, The Franceville. H. L. Preston - - 852 

 Emerson, B. K. Holyokeite, A Purely Feldspathic Diabase from the Trias of 



Massachusetts - 508 



Ensayo de una bibliografia historica i jeografica de Chile. Review by J. C. 



Branner ------- 921 



Etching of Quartz in the Interior of Conglomerates. M. L. Fuller - - - 815 



Explosion Near Waldron, Indiana, A Natural Gas. J. F. Newsom - - 803 



