VOLUME Xx! NUMBER 4 
THE 
OURNAL or 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 
oo WELLER WALLACE W, ATWOOD ROLLIN T, CHAMBERLIN 
s 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 
ARLES BARROIS, France JOSEPH P.IDDINGS, Washington, D.C. 
ERECHT PENCK, Germany JOHN C, BRANNER, Leland Stanford Junior University 
“HANS REUSCH, Norway RICHARD A. F. PENROSE, Jr., Philadelphia, Pa. 
3] RARD DEGEER, Sweden WILLIAM B. CLARK, Johns Hopkins University 
0 RVILLE A. DERBY, Brazil WILLIAM H. HOBBS, University of Michigan 
- w. EDGEWORTH DAVID, Australia FRANK D. ADAMS, McGill University 
BAILEY WILLIS, Argentine Republic CHARLES K, LEITH, University of Wisconsin 
MAY-JUNE 1913 
a. DEPOSITS OF THE CONTINENTAL TYPE IN ALASKA 
- if R. S. TaRR AND LAWRENCE MARTIN 289 
te - 
2 PHE UNCONFORMITY AT THE BASE OF THE ONONDAGA LIMESTONE IN NEW 
YORK AND ITS EQUIVALENT WEST OF BUFFALO - Epwarp M. KINDLE 301 
SECTIONS OF TWO MICHIGAN SALT WELLS - - - - - Wi.iiam H. Fry 320 
‘THE HURON AND CLEVELAND SHALES OF NORTHERN OHIO Cxartes S. PROSSER 323 
‘ostovorer S BREVISPINATUS, A NEW REPTILE FROM THE PERMIAN OF TEXAS 
| se S. W. WILLISTON 363 
«B 
NOTE ON THE GEOLOGY OF THE ISLE OF PINES, CUBA - - O. E. JENNINGS 367 
a ene ma a Oe a 
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trl | tte UNIV-ERSLEYOF* CHICAGO PRESS 
bed a CHICAGO, ILLINOIS, U.S.A. 
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a 
a AGENTS 
a THE CAMBRIDGE UNIVERSITY PRESS, Lonpon anp EDINBURGH 
$ a WILLIAM WESLEY & SON, Lonpon 
i a TH. STAUFFER, Letrzic 
ed THE MARUZEN-KABUSHIKI-KAISHA, Toxyo, Osaka, Kyoto 
