MICHIGAN ACADEMY OF SCIENCE. 
75 
districts and products, with special reference to new explorations and 
the bearing thereon of possible extensions of known mineral producing 
areas and discovery of new ones. 
It is not to be expected that the first report, i. e., for 1910, will embody 
all of the above features but it is hoped that all of these will be included 
in subsequent reports. 
Change in Form of Publication. 
In a meeting of the Board of Scientific Advisers held April 8, 1910, 
there was considered a plant for improvement in the form and methods 
in use in the printing and binding of the reports of the Geological and 
Biological Survey. The plan which was adopted on the approval of the 
Board of Geological Survey, and also with the approval of the Board of 
State Auditors is outlined below : 
(1) The plan of binding all of the reports of the Board of Geological 
Survey issued for oue fiscal year under one separate cover shall be dis- 
continued. 
(2) The geologic and biologic reports shall be in no case bound to- 
gether in the same volume. 
(3) Reports, either geologic or biologic, dealing with closely related 
subjects, at the discretion of the Board of State Auditors, may be bound 
in one volume. 
(4) Each separate volume, exclusive of the executive report of the 
Director, shall form one of a new series, in which the volumes shall be 
numbered consecutively in the order in which they are published. 
(5) The administrative and executive report of the Director shall be 
issued annually as provided in Section G, Chapter 55, Compiled Laws of 
Michigan 1897, and shall constitute, with other publications in a given 
year, the Annual Report of the Board of Geological Survey. 
In addition to the above, the style and quality of the binding, the 
character of the print and the quality of the text and plate paper have 
been improved, to the end that now our reports are on a par with the 
best of those issued by the federal and other state geological surveys. 
Publications 1, 2 and 3 have already appeared under this new plan of 
publication. 
Publications Issued Since September /, 1909. 
Annual report for 1908. Two volumes. 
Volume 1. 402 pages. 3 plates. G figures. 
Part 1. Administrative report of the State Geologist, A. C. 
Lane. 
Part 2. Geological Section of Michigan for Geologists, Teach- 
ers and Drillers, by A. C. Lane and A. E. Seaman. 
Part 3. Geology of Tuscola County by C. A. Davis. 
Part 4. The Intrusive Rocks of ML Bohemia by F. E. Wright. 
A part of the edition of Parts 2, 3 and 4 of Volume 
1 are bound separately in paper covers. 
Volume 2. An Ecological Survey of Isle Royale prepared under the 
direction of Clias. C. Adams. 63 plates and figures. 
