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BOARD OF GEOLOGICAL AND BIOLOGICAL 



SURVEY. 

 191L 



EX officio: 



The Governor of the State, 



HON. CHASE S. OSBORN, President. 



The Superintendent of Public Instruction, 

 HON. L. L. WRIGHT, Secretary. 



The President of the State Board of Education, 

 HON. D. M. FERRY, Junior. 



Director, 

 R. C. ALLEN. 



scientific advisers. 



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



Arbor; Prof. W. H. Sherzer, Ypsilanti. 

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



Ann Arbor. 

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



Ann Arbor; Mr. Bryant Walker, Detroit. 



185542 ' \ 



