THE GEOLOGICAL AND NATURAL HISTORY SURVEY OF MINNESOTA. 
N. H. WINCHELL, Srare Grovoaisr. 
1892—1896. 
THE 
GEOLOGY OF MINNESOTA. 
VOL. III, PART II, OF THE FINAL REPORT. 
PALHONTOLOGY. 
By Epwarp O. ULRICH, WILBUR H. SCOFIELD, 
JOHN M. CLARKE, NEwton H. WINCHELL. 
SUBMITTED NOV. 30, 1891, AND PUBLISHED UNDER THE 
DIRECTION OF HON. ALBERT BERG, 
SECRETARY OF STATE. 
ILLUSTRATED BY FORTY-EIGHT PLATES 
AND ONE HUNDRED AND THIRTY-THREE FIGURES. 
MINNEAPOLIS, MINN. 
HARRISON & SMITH, STATE PRINTERS. 
1897. 
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