170 ADDITIONS 10 THE LIBRARY. [NOV. 1 894, 



The elements of the geological time-scale, 283.— F. D. Adams. On the 

 typical Laurentian Area of Canada, 825. — A. Osann. Melilite-Nephe- 

 line-Basalt and Nepheline-Basanite from Southern Texas, 341. — C. R. 

 Van Hise. Some Dynamic Phenomena shown by the Baraboo Quartzite 

 Ranges of Central Wisconsin, 347. — R. A. F. Penrose, Jun. — The 

 chemical relation of Iron and Manganese in Sedimentary Rocks, 356. — 

 H. B. Kummel. Some Rivers of Connecticut, 371. — I. C. Russell. 

 Geological history of the Laurentian Basin, 394. — W. S. Bayley. The 

 Basic Massive Rocks of the Lake Superior Region, 433. — R. A. F. 

 Penrose, Jun. Notes on the State exhibits in the Mines and Mining 

 Building at the World's Columbian Exposition, Chicago, 457. — G. H. 

 Stone. The Las Animas Glacier, 471. — B. Willis. Conditions of Sedi- 

 mentary Deposition, 476. — J. Le Conte. Theory of the Origin of 

 Mountain Ranges, 542. — A. Harker. On the Migration of Material 

 during the Metainorphism of Rock- Masses, 574. — A. C. Lawson. The 

 Cordilleran Mesozoic Revolution, 579. — W. S. Bayley. Sketch of the 

 present state of knowledge concerning the Basic Massive Rocks of the 

 Lake Superior Begion, 587, 688. — O. A. Derby. A study in consanguinity 

 of Eruptive Rocks, 597. —J. P. Iddings. A Dissected Volcano of 

 Crandall Basin, Wyoming, 606. — A. Winslow. Notes on the Lead and 

 Zinc Deposits of the Mississippi Valley and the Origin of the Ores, 612. — 

 C. D. Walcott. Geologic Time, as indicated by the Sedimentary Rocks 

 of North America, 689. — J. J. Stevenson. On the Origin of the 

 Pennsylvania Anthracite, 677. — W. H. Hobbs. On the Geological 

 Structure of the Mount Washington Mass of the Taconic Range, 717. — 

 J. C. Branner. The supposed Glaciation of Brazil, 753. — H. Backstrom. 

 Causes of Magmatic Differentiation, 773. — W. H. Hobbs. The Geo- 

 logical Structure of the Housatonic Valley lying east of Mount Washing- 

 ton, 780.— F. P. Gulliver. The Newtonville Sand-plain, 803.— F. 

 Brascom. The Structures, Origin, and Nomenclature of the Acid Vol- 

 canic Rocks of South Mountain, 813. — J. P. Iddings. Genetic Relation- 

 ships among Igneous Rocks, 813. 



Chicago. Journal of Geology. Vol. ii. Nos. 1-3. 1894. 



G. H. Williams. The Distribution of Ancient Volcanic Rocks along 

 the Eastern Border of North America, 1. — J. S. Diller. Revolution in 

 the Topography of the Pacific Coast since the Auriferous Gravel Period, 

 32. — G. K. Gilbert and B. S. Lyman. The name " Newark " in American 

 Stratigraphy, 55. — C. S. Beachler. An abandoned Pleistocene River 

 Channel in Eastern Indiana, 62. — W. M. Davis. Physical Geography in 

 the University, 66. — A. M. Hansen. The Glacial Succession in Norway, 

 123. — H. S. Williams. Dual Nomenclature in Geological Classification, 

 145. — W. B. Clark. Origin and Classification of the Greensands of New 

 Jersey, 161.— C. R. Keyes. The Nature of Coal Horizons, 178.— J. P. 

 Smith. The Arkansas Coal Measures in their relation to the Pacific 

 Carboniferous Province, 187.— T. C. Chamberhn. Pseudo-Cols, 205. — 

 W. H. Hobbs. Note on the English equivalent of Schuppenstruktur, 

 206. — W. Winslow. Geological Surveys in Missouri, 207. — H. M. 

 Cadell. The Oil-Shales of the Scottish Carboniferous System, 243. — 

 L. F. Ward. The Cretaceous Rim of the Black Hills, 250.— C. Wiman. 

 On Diplograptidce, Lapworth, 267. — E. A. Smith. Geological Surveys in 

 Alabama, 275. — R. A. F. Penrose, Jun. The Superficial Alteration of 

 Ore Deposits, 288.' — J. A. Udden. Erosion, Transportation, and Sedi- 

 mentation performed by the Atmosphere, 318. 



Christiania. Nyt Magazin for Naturvidenskaberne. Vol. xxxiii. 

 Nos. 4 & 5. 1893. 



