fay 
CHAMBERLIN . ND ROLLIN be SALISBURY 
a ALBERT JOHANNSEN, nae: 
EON, ROLLIN T. CHAMBERLIN, ey Geology 
ASSO ocIaTs EDITORS ee 
: JOSEPH P. IDDINGS, Washington, D.C. 
Set ary 
J OHN C. BRANN ER, Leland Stanford Junior University 
_ RICHARD A. F. PENROSE, Jr., Philadelphia, Pa. 
De WILLIAM H. HOBBS, University of Michigan 
a FRANK D. ADAMS, McGill University — 
CHARLES K. LEITH, University of Wisconsin 
WALEOCE W. ATWOOD, one Uaiveriiye 
. RALPH W. CHANEY 
fo) OOLITES AND SPHERULITES Se eee oe ree pee 
: [YTHMIC BANDING OF MANGANESE DIOXIDE IN RHYOLITE TUFF W. A. Tarr 
SOUTHEASTERN KANSAS AND NORTHEASTERN OKLAHOMA 
: WALTER R. BERGER 
A FORM OF MULTIPLE ROCK oo - - - - - Frank F. Grour 
A TYPE OF IGNEOUS DIFFERENTIATION - - - - - - FRANK F. Grout 
rote 
-POST-GLACIAL } Ee, FROM THE M: ARLS OF CENTRAL ILLINOIS 
. FRANK COLLINS BAKER 
se PUBLICATIONS? = = oe BE Le Seca oe 
THE UNIVERSITY OF CHICAGO PRESS 
CHICAGO, ILLINOIS, U.S.A. 
; THE CAMBRIDGE UNIVERSITY PRESS, Lonpon anp EpINBURGH 
THE MARUZEN-KABUSHIKI-KAISHA, Tokyo, Osaka, Kyoro, Fukuoka, SENDAI 
. THE MISSION BOOK COMPANY, SHANGHAI 
