Index, Volumes I-XXXVI. 
Correspondence. 
Economic Geology in Peru, V. F. Marsters, 265 ; Mateo 
Tepee, J. P. Rowe 266 
Personal and Scientific News 267 
NOVEMBER. NUMBER. 
Glacial Movements in Southern Sweden, G. F. Wright, 
[Plate XIV] 269 
Bolson Plains of the Southwest, W. G. Tight 271 
Glacial lakes and marine' submergence in the Hudson 
Chamtlain valley, Warren Uphatn .- 285 
The Jurassic horizon around the southbrn end of the Rocky 
mountains, C. R. Keyes 289 
El Instituto Geologica de Mexico, F. N. Guild 293 
Serpentines in the neighborhood of Philadelphia, Anna J. 
Jonas 296 
An explanation of the phenomena seen in the Becke meth- 
od of determining index of refraction, IV. O. Hotchkiss. . . 305 
Consolidation of the Geologist with "Economic Geology". . 309 
Review of Recent Geological Literature. 
The secondary origin of Certain Granites, R. A. Daly, 312; 
La Montagne Pelee et ses eruptions, A. Lacroix, 316; Min- 
erals in Rock Sections : the practical methods of determining 
them with the microscope, L. M. Lnquer, 319; Geology of 
Western ore deposits, Arthur Lakes, 319; Grundziige der 
Gesteinskunde, Teil I and II, Ernest WeinscJienck, 319; 
Structural and Field Geology, James Geikie, 320; Economic 
Geology of the United States, Heinrich Ries, 321. 
Monthly Author's Catalogue of American Geological Lit- 
erature 323 
corre s pon den ce. 
Two Carboniferous Genera 330 
Personal and Scientific News 33* 
DECEMBER NUMBER. 
General Index, Volumes I to XXXVI 333 
Errata, Vol. XXXVI. 
Page 320, line 6, for "comparisons" read companions. 
Page 332, line 4 from! the bottom, for "62" read 26. 
