COMMPINGES OF WA OTOMIR GUA s 
NUMBER I. 
PAGE 
SUGGESTIONS REGARDING THE CLASSIFICATION OF THE IGNEOUS ROCKS. 
William H. Hobbs = = - > - = - - - - I 
DENTITION OF SOME DEVONIAN FisHES. C. R. Eastman - - - - 32 
ANCIENT ALPINE GLACIERS OF THE SIERRA CostA MOUNTAINS IN CALI- 
FORNIA. Oscar H. Hershey = > = = : - = - 42 
AN ATrempr TO TEST THE NEBULAR HYPOTHESIS BY THE RELATIONS OF 
Masses AND MoMENTA. T. C. Chamberlin - = - : 2 58 
EDITORIAL - - - - = - - = - - + = - 74 
Reviews: The Diuturnal Theory of theEarth; or, Nature’s System of Constructing a 
Stratified Physical World, by William Andrews (T. C. C.), 76; Memoirs of the 
Geological Survey of the United Kingdom ; The Silurian Rocks of Britain, by 
B. N. Peach, John Horne, and J. J. H. Teall (W. N. Logan), 77; Genesis of 
Worlds, by J. H. Hobart Bennett (G@isGnC). 70; lext-Book: of Paleontology, 
by Karl A. von Zittel (Charles R. Keyes), 81; The Gold Measures of Nova 
Scotia and Deep Mining, by E. R. Faribault (C. K. L.), 84; Maryland Geo- 
logical Survey (James H. Smith), 86; Maryland Weather Service (James Tal. 
Smith), 87; Principles and Conditions of the Movement of Ground Water, by 
Franklin Hiram King, with a Theoretical Investigation of the Motion of 
Ground Waters, by Charles Sumner Slichter (T. C. C.), 89 ; Les Lacs Frangais, 
by André Delebecque (R. D. S.), 91; On the Building and Ornamental Stones 
of Wisconsin, by E. R. Buckley (T. C. H.) 97; Irrigation and Drainage : Prin- 
ciples and Practice of their Cultural Phases, by F. H. King (T. C. C.), 100; 
The Coos Bay Coal Field, Oregon, by Joseph Silas Diller (W. T. Lee), 100. 
RECENT PUBLICATIONS - = E - 2 - - - - = = TOD 
NUMBER II. 
THE NOMENCLATURE OF FELDSPATHIC GRANOLITES. H. W. Turner - - 105 
THE GEOLOGY OF THE WHITE SANDS OF NEW MEXICO. ©, li, lsigan@k = WZ 
THE ORIGIN OF NITRATES IN CAVERN EARTHS. William H. Hess - = 129 
THE CALCAREOUS CONCRETIONS OF KETTLE POINT, LAMBTON COUNTY, 
OnTARIO. Reginald A. Daly” - = = - - - - - 135 
Ants as GEOLOGIC AGENTS IN THE TROPICS. John C. Branner - - I51 
VARIATIONS OF GLaAziIERS. V. H. F. Reid = - - - 2 = Ubyil 
iii 
