ee XXI ; NUMBER 6 
a THE 
JOURNAL orf GEOLOGY 
A SEMI-QUARTERLY 
EDITED BY 
THOMAS C. CHAMBERLIN AND ROLLIN D. SALISBURY 
With the Active Collaboration of 
SAMUEL W. WILLISTON ALBERT JOHANNSEN WILLIAM H. EMMONS 
Vertebrate Paleontology Petrology Economic Geology 
STUART WELLER WALLACE W, ATWOOD ROLLIN T. CHAMBERLIN 
Invertebrate Paleontology Physiography Dynamic Geology 
ASSOCIATE EDITORS 
SIR ARCHIBALD GEIKIE, Great Britain GROVE K. GILBERT, Washington, D.C. 
HEINRICH ROSENBUSCH, Germany CHARLES D. WALCOTT, Smithsonian Institution 
THEODOR N. TSCHERNYSCHEW, Russia HENRY S. WILLIAMS, Cornell University 
CHARLES BARROIS, France JOSEPH P.IDDINGS, Washington, D.C. 
ALBRECHT PENCK, Germany JOHN C. BRANNER, Leland Stanford Junior University 
HANS REUSCH, Norway |. RICHARD A. F. PENROSE, Jr., Philadelphia, Pa. 
GERARD DEGEER, Sweden WILLIAM B. CLARK, Johns Hopkins University 
ORVILLE A. DERBY, Brazil ' WILLIAM H. HOBBS, University of Michigan 
T. W. EDGEWORTH DAVID, Australia FRANK D. ADAMS, McGill University 
BAILEY WILLIS, Argentine Republic CHARLES K, LEITH, University of Wisconsin 
SEP PEMBER-OCTOBER 1913 
¥ oe GENERAL PRINCIPLES UNDERLYING METAMORPHIC PROCESSES 
JoHN JOHNSTON AND PAuL NIGGLI 
-DIASTROPHISM AND THE FORMATIVE PROCESSES. I. - - - T. C. CHAMBERLIN 
-DIASTROPHISM AND THE FORMATIVE PROCESSES. _ II. - - - T. C. CHAMBERLIN 
SOVERTHRUST FAULT IN NEARLY FLAT STRATA - - - G. SHERBURNE ROGERS 
-CONTRAPOSED SECRET No are Maret meses ios CHARLES A. CLApe 
‘THE BEARING OF PROGRESSIVE INCREASE OF VISCOSITY DURING INTRUSION 
ON THE FORM OF LACCOLITHS - - - - - - - SIDNEY PAIGE 
-CROSS- BEDDING IN THE WHITE RIVER FORMATION OF NORTHWESTERN SOUTH 
a DAKOTA - = = “ - = 4 = zs = -  DrAN E. WINCHESTER 
‘BURIED VALLEY OF SUSQUEHANNA RIVER IN LUZERNE COUNTY, PENNSYLVANIA 
N. H. Darton 
“THE EFFECT OF LEACHING ON’ DRIFT PEBBLES - - -  - +. J. A. UppEN 
RT tee mene a Sr me ieee ae A ge 
REMOHIID TONG on ee ee NS ae es ape ay ear 
* 
" LEB UNIVERSITY: OF “CHICAGO PRESS 
= i CHICAGO, ILLINOIS, U.S.A. 
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ath AGENTS 
* . THE CAMBRIDGE UNIVERSITY PRESS, Lonpon anp EDINBURGH 
oo WILLIAM WESLEY & SON, Lonpon 
a KARL W. HIERSEMANN, LErpzic 
a 3 THE MARUZEN-KABUSHIKI-KAISHA, Toxyo, Osaka, Kyoto 
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