vi Co7itcnts. 
Dr. Emilio Bose, 315.— The Jurassic fauna of Cape Flora, Frauz 
Josef Laud, J. F. Pompeckj, 320. 
Monthly AufhorN' Catalogue of American Geological Literature. 320. 
Correspojtdencc— The Causes of Ore Deposits, 323.— Erosion of Moun- 
tains in Southern California, 326. 
Personal and Scientific iVetys.- Geological Society of Washington, 
327.— Meeting of the National Academy, 328.— The New York 
Academy of Sciences, section of geology and mineralogy, 329. 
junp: number. 
Report of a Geological Reeoniioissance in Western So- 
corro and Valencia Counties, New Mexico. [Plates 
VIII and IX.] C. L. Hekrick 331 
Correlative Relations of Certain Subdivisions of the Coal 
Measures of Kansas. Charles R. Keyes 347 
Section of the AUoway, New York, Well. Charles S. 
Prosser 353 
An Instance of Sub- aqueous Differential Weathering. 
M. L. Fuller 355 
Oliver Payson Hubbard. E. O. Hovey. [Portrait.] 360 
Nonconformities at the Mouth of the Platte River, 
Charles Newton Gould. [Illustrated.] 364 
The Upland Loess of Missouri — Its Mode of Formation. 
O. H. Hbrshey 369 
Editorial Comment. — The George Huntington Williams Memorial 
Lectureship, 374. 
Review of Recent Oeoolgical iitej-aittre.- Stratigraphie du Massif 
Cambrien de Stavelot, M. Lohest et H. Forib, .377. — Fauna of 
the Chonopectus Sandstone at Burlington, Iowa, Stuart Welleb. 
378. — The Glacial Gravels of Maine and their Associated Deposits, 
George H. Stone, .380. — The Illinois Glacial Lobe, Frank Leve- 
RETT, .381. — Eine Untersilurische Litoralfacies bei Locknesjon, 
Carl, Weiman, 383. — Ueber Eulomo und Parostoma, J. F. Pom- 
peckj, 383.— Maryland Geological Survey, Vol. Ill, 1899, Willi- 
am B. Clakk, 383. — The Natural History of Cordierite and its as- 
sociates, J. J. H. Teall, .384. — The Scope of the Vulcanological 
Survey of Japan, B. Koto, 385. — Notes on the Dependent Isles of 
Taiwan, B. Koto, 385. 
Monthly Authors'' Catalogue of American Geological Literature, 386. 
Correspondence. — Devonische Fischreste aus der Eifel, C. R. Eajst- 
MAN, 392. 
Personal and Scientific Neivs, 392. 
Index, 397. 
