MEMBERS OF THE UNIVERSITY GEOLOGICAL SURVEY. 
HON. W. C. SPANGLER, 
Acting Chancellor and ez officio Director. 
EDGAR H. S. BAILEY, 
Department of Chemistry. 
SAMUEL W. WILLISTON, 
Department of Historical Geology and Paleontology. 
ERASMUS HAWORTH, 
Department of Physical Geology and Mineralogy. 
FOR VOLUME VII. 
E. H. 8. BAILEY, Chemist. 
E. B. KNERR, Assistant Chemist. 
D. F. McFARLAND, Assistant Chemist. 
W. R. CRANE, Mining Engineer. 
