BOARD OF GEOLOGICAL AND BIOLOG- 

 ICAL SURVEY. 



1912. 



EX officio: 



The Governor of the State^ 

 HON. CHASE S. OSBORN, President. 



J 



The Superintendent of Public Instruction^ 

 HON. L. L. WRIGHT, Secretary. 



The President of the State Board of Education^ 

 HON. D. M. FERRY, Junior. 



scientific advisers. 



Geologists. — Dr. L. L. Hubbard, Houghton; Prof. W. H. Hobbs, 

 Ann Arbor; Prof. Wm. H. Sherzer, Ypsilanti. 



Botanists. — Prof. E. A. Bessey, East Lansing; Prof. F. C. New- 

 combe, Ann Arbor. 



Zoologists. — Prof. W. B. Barrows, East Lansing ; Prof. J. Reighard, 

 Ann Arbor; Dr. Bryant Walker, Detroit. 



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