MEMBERS OF THE UNIVERSITY GEOLOGICAL SURVEY. 
F, H. SNOW, 
Chancellor and ez officio Director. 
S. W. WILLISTON, 
Department of Palaeontology. 
ERASMUS HAWORTH, 
Department of Physical Geology and Mineralogy. 
E. H. S. BAILEY, 
Department of Chemistry. 
FOR VOLUME Ii, 
ERASMUS HAWORTH, Geologist. 
S. W. WILLISTON, Palaeontologist. CHARLES S. PROSSER, Assistant Geologist. 
W. N. LOGAN, Assistant Geologist. 
