PUBLISHED AS A PART OF THE ANNUAL REPORT OF THE BOARD OF LANSING, MICHIGAN WYNKOOP HALLENBECK CRAWFORD CO., STATE PRINTERS BOARD OF GEOLOGICAL AND BIOLOGICAL SURVEY, 1916. EX OFFICIO: THE GOVERNOR OF THE STATE, HON. WOODBRIDGE N. FERRIS. THE SUPERINTENDENT OF PUBLIC INSTRUCTION, THE PRESIDENT OF THE STATE BOARD OF EDUCATION, DIRECTOR, R. C. ALLEN. SCIENTIFIC ADVISORS. Geologists. Dr. L. L. Hubbard, Houghton; Prof. W. H. Hobbs, Botanists.-Prof. E. A. Bessey, East Lansing; Prof. F. C. Newcombe, Zoologists.-Prof. W. B. Barrows, East Lansing; Prof. J. Reighard, LETTER OF TRANSMITTAL. To the Honorable, the Board of Geological and Biological Survey of the State of Michigan: Gov. Woodbridge N. Ferris. Hon. Fred L. Keeler. Hon. Thomas W. Nadal. Gentlemen:-I have the honor to transmit herewith an administrative report for the biennium ending June 30th, 1916, with the recommendation that it be printed and bound as Publication 22, Geological Series 18. Very respectfully, Lansing, Michigan, July 30, 1916. R. C. ALLEN, Director. |