Among articles to appear in early 
numbers of the Journal of ploy 
are the following: 
Field Observations in Northern Norway bearing on Magmatic Differ- 
entiation. By STEINER FOSLIE. 
Geologic Reconnaisance in Baja California. By N. H. Darton. 
Pennsylvanian Stratigraphy of North Central Texas. By RAYMOND 
C. Moore and FREDERICK B. PLUMMER. 
The Relation of the Physical Properties of Natural Glasses to Their 
Chemical Composition. By Witttam O. GEORGE. 
Pleistocene Mollusca from Northwestern and Central Illinois. By 
FRANK COLLINS BAKER. 
_ The Character of the Stratification of the Sediments in the Recent 
Delta of Fraser River, British Columbia, Canada. By W. A. 
JOHNSTON. , 
Notes on a Recent Collection of Fossil Plants from the Dalles Group 
of Oregon. By Ratpu W. CHANEY. 
An Outline of the Geology of New Zealand. By W.N. BENSON. 
Growth-Stages of the Blastoid Orophocrinus stelliformis. By F. A. 
BATHER. 
Diastrophism and the Formative Processes. XV. The Diverse 
Courses of Compressional Energy. By T. C. CHAMBERLIN. 
