xxii INDEX TO VOLUME IV 



PAGE 



Permian System of Kansas. F. W. Cragin. C. R. Keyes - - - 520 



Physical Features of Missouri. C. F. Marbut. R. D. S. - - - 877 

 Sketch of the Geology of the San Francisco Peninsula. A. C. Lawson. 



A. H. Purdue ....------ 640 



Stratigraphy of the Kansas Coal Measures. Erasmus Haworth. C. R. 



Keyes ------------ 520 



Text-Book of Palaeontology. Karl A. von Zittel. Translated by C. R. 



Eastman. C. R. Keyes - - - 733 



The Soil ; its Nature, Relations, and Fundamental Principles of Man- 

 agement. F. H. King. J. C. B. - 243 



Thirteenth Annual Report of State Geologist (New York). S. Weller 116 

 Wissenschaftliche Ergebnisse der Finnischen Expeditionen nach der 



Halbinsel Kola. D. P. N. - - - - - - - - 524 



Rhode Island, Queen's River Moraine in ....--- 691 



Rhyolites of the Sierra Nevada - - . 883 



Ries, Heinrich. Monoclinic Pyroxenes of New York State. (Abstract) - 651 



Rock Weathering, Principles of 704, 850 



Rotation of Earth and Drainage - - 662 



Russell, I. C. Igneous Intrusions in the Neighbornood of the Black Hills of 



Dakota -----.----- 23 



On the Nature of Igneous Intrusions - - - - - - 177 



Salient Points concerning the Glacial Geology of North Greenland. R. D. 



Salisbury ------------ 769 



Salisbury, Roll in D. Loess in the Wisconsin Drift ----- 929 



Salient Points concerning the Glacial Geology of North Greenland - 769 



Stratified Drift ----------- 948 



Editorials : Geological Society of America ------ 104 



Reviews : Physical Features of Missouri. C. F. Marbut - - - 877 



San Francisco Peninsula, Geology of ------- - 640 



Santa Rosa, Strata of ---------- - 939 



Sapper, Carlos. Geology of Chiapas, Tabasco, and the Peninsula of Yucatan 938 



Schistosity and Slaty Cleavage. G. F. Becker ------ 428 



Scudder, S. H. Canadian Fossil Insects. Review by S. W. - - - - 360 



Scythic Series of the Trias ---------- 388 



Search for the North Pole. E. B. Baldwin. Review by T. C. C. - - - 649 



Second Geological Survey of New Hampshire - - - - - - 46 



Secondary Structures - - - - - - - - - - -601 



Serpentine of Chiapas ----------- 946 



Shellrock Butte ------------ 418 



Sierra Nevada, Auriferous Gravels of - - - - - - - - 881 



Simple Folds - - 314 



Sixteenth Annual Report U. S. Geol. Sur. ------- 880 



Slaty Cleavage, Schistosity and --------- 428 



Smith, J. P. Classification of Marine Trias ------- 385 



Review: Paleontographia Italica. Mario Canavari - - - - 242 



Smyth, C. H. Crystalline Limestones and Associated Rocks of the North- 



vs^estern Adirondack Region, (Abstract) ------ 246 



