VOLUME XX NUMBER 7 
JHE 
JOURNAL of (GEEOLOGY 
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 i 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 
; OCTOBER-NOVEMBER, 1912 
CONTENTS 
THE DISCONFORMITY BETWEEN THE BEDFORD AND BEREA FORMATIONS IN 
CENTRAL OHIO - = = = = = = - = CHARLES S. PROSSER 585 
GLACIATION IN THE TELLURIDE QUADRANGLE, COLORADO. II 
ALLEN Davip HOLE 605 
ON THE STRATIGRAPHIC POSITION AND AGE OF THE Te RIVER FORMA- 
SELON. UT - - - - - - . - - - - = Ay Cx PearEiy O40 
SOME TRIASSIC FOSSILS FROM SOUTHEASTERN ALASKA -  Wattace W. Arwoop 653 
PRELIMINARY NOTES ON SOME IGNEOUS ROCKS OF JAPAN. VI = 'S.) Kézu 656 
THE EFFECT OF IGNEOUS INTRUSIONS ON THE ACCUMULATION OF OIL IN 
NORTHEASTERN MEXICO) 28°24 So - 2 aa diag V. R. GarrIas 666 
_ EDITORIAL Sond ANC GIL NS) Sie Siar Pac G Nh eaeaec Ey Mares peg Ula oRen Niuigne we nT KUML ERE) MEST aoc) 
ae eee ci ha Ge Oe kc a a 
PEC O RRS MION NE teat Hem ak a Ua ad Md Minh BG 
Che University of Chicago press 
CHICAGO, ILLINOIS 
AGENTS: ! 
THE CAMBRIDGE UNIVERSITY PRESS, Lonpon AND EDINBURGH 
WILLIAM WESLEY & SON, Lonpon 
TH. STAUFFER, LEipzic 
THE MARUZEN-KABUSHIKI-KAISHA, Toxyo, Osaka, ivan 
