CONTENTS OF VOLUME XVII 
ENVIRONMENT OF THE TERTIARY FAUNAS OF THE PACIFIC COAST OF THE 
Unirep States. Ralph Arnold . 
THe GAseEs IN Rocks. R. 'T. Chamberlin 
THE SOLIDIFICATION OF ALLOYS AND Macmas. James Aston 
REVIEWS . 
NUMBER VII 
PHYSICAL GEOGRAPHY OF THE PLEISTOCENE WITH SPECIAL REFERENCE 
TO THE PLEISTOCENE CONDITIONS. Rollin D. Salisbury 
PALEOGEOGRAPHIC Maps or NortH America. Bailey Willis 
ORIGINATION OF SELF-GENERATING MATTER AND THE INFLUENCE OF 
ARIDITY UPON Its EVOLUTIONARY DEVELOPMENT. D.'T. MacDougal 
DESCRIPTION OF A PERMIAN CRINOID FAUNA FROM TEXAS. _ Stuart 
Weller 
NEw or LITTLE-KNOWN PERMIAN VERTEBRATES. S. W. Williston 
BASE-LEVEL OF EoLIAN Erosion. Charles R. Keyes . 
THE MALASPINA GLACIER REGION OF ALASKA. Lawrence Martin 
THE VARIATIONS OF GLACIERS. XIV. Harry Fielding Reid 
REVIEWS . 
RECENT PUBLICATIONS 
NUMBER VIII 
DIASTROPHISM AS THE ULTIMATE BASIS OF CORRELATION. ‘Thomas 
Chrowder Chamberlin 
CONCERNING CERTAIN CRITERIA FOR DISCRIMINATION OF THE AGE OF 
GLACIAL Drirt SHEETS AS MODIFIED BY TOPOGRAPHIC SITUATION 
AND DRAINAGE RELATIONS. William C. Alden 
THE BEARING OF THE STRATIGRAPHIC HISTORY AND INVERTEBRATE Fos- 
SILS ON THE AGE OF THE ANTHRACOLITHIC Rocks OF KANSAS AND 
OKLAHOMA. J. W. Beede 
PETROLOGY OF THE SOUTH CAROLINA GRANITES. ‘Thomas Leonard Wat- 
son 
ELEVENTH SESSION OF THE INTERNATIONAL GEOLOGICAL CONGRESS IN 
STOCKHOLM, 1910. J. G. Andersson 
Ciay DunEs. George N. Coffey 
REVIEWS . 
RECENT PUBLICATIONS 
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