648 Vvisconsin Academy of Sciences^ ArtSj aiid Letters. 



Friday Morning. 



General business. 



Reading of papers at 10:00 o'clock. 



10. The cause of cleavage in rocks. C. K. Leith. 



11. The supposed lessening of geyser activity in the Yellowstone 



National Park. D. P. Nicholson. 



12. Harmonic curves of three frequencies. Second paper; with exhi- 



bition of stereograms drawn by E. A. Hook. Charles S. Slich- 

 ter. 



13. On repeating decimals. E. A. Hook. 



14. On the thermal conductivity of the common woods. L. W. Austin 



and C. W. Eastman. (By title.) 



15. The expansion of wood due to absorption of water. L. W. Austin, 



G. 8. Cassels and W. H. Barber. (By title.) 



Friday Afternoovy. 



16. The orientation of stream channels as related to geological struc- 



ture. Willianfi H. Hobbs. 



17. The old tungsten mine at Trumbull, Ct. William H. Hobbs. 



18. The future of the clay and cement industry in Wisconsin. Ernest 



R. Buckley. 



At the various sessions matters of business were transacted 

 as follows/. 



Thursday^ Dec. 27. 



Morning Session. 



The meeting was called to order at 9 :30 o'clock by President 

 Slichter. On motion, the reading of the minutes of the 30th an- 

 nual meeting was dispensed with, on a.ccount of their publica- 

 tion during the intervening year in Vol. XII. of the ^^Trans- 

 actions." 



An informal report of the secretary was read. On account 

 of the absence of the treasurer and librarian the reading of their 

 reports was postponed till the meeting of Friday. 



No further business was transacted during the day. 



Friday, Dec. 28, 1900. 



The momine^ session Vv^as called to order bv President Slich- 

 ter. The report of the treasurer was read and accepted. The 

 auditing committee, consisting of Messrs. Bruncken, Flint and 



