Report of the President. . . 41 



The nature and extent of the work actually performed by 

 members of the Academy, in the field, laboratory, and private 

 study, since its oranization in 1870, will appear from the fol- 

 lowing titles of papers prepared for its meetings: 



On the classification of llie Sciences. By Rev. Albert 0. Wriglit, M. A. 



New Lisbon. 

 On the importance of more attention to the Preservation and Culture of 



Forest Trees in Wisconsin. By Mr. P. Englemann, Secretary of the 



Natural History Society, Milwaukee. 

 Ihe Coniferae of the Rocky Mountains, and their adaptation to the Soils 



and Climate of Wisconsin. By Hon. J. G. Knapp. 

 On the Origin of the Potsdam Sandstone. By Hon. John Murrisb, State 



Commissioner for the Survey of the Lead Region. 

 On the Importance and Practicability of finding a Unit of Force in Physics 



that shall be of Universal Application. By Prof. John E. Davies, M. 



D., Wisconsin State University. 

 The Fauna of Lake Michigan off Racine. By P. R. Hoy, M. D., Vice 



President of tae Academy, Racine, 

 On the Age of the Quartzite of Baraboo. By Dr. I. A. Lapham, LL.D., Gen- 

 eral Secretary of the Academy. 

 On the Formation of certain new Compounds of Manganese. By Prof. Jas. 



H.Eaton, of Beloit College. 

 The Metamorphic Rocks in the Town of Portland, Dodge county. By Rev. 



A. 0. Wright, M. A. 

 The Metamorphic Rocks of Devil's Lake. By Rev. A. 0. Wright, M. A. 

 Some Observations upon the Fauna of Mammoth Cave. By Mr. P. Engel-. 



mann, Milwaukee. 

 On the Nebular Hypothesis in Astronomy. By Dr. R. Z. Mason, LL.D., Ap- 



pleton. 

 The Mineral Well at Waterloo, Wisconsin. By Rev. A. 0. Wright, M. A. 

 On the Classification of Plants. By Dr. L A. Lapham, LL.D., Milwaukee. 

 Metallic Veins and the Deposition of Minerals. By A. J. Finch, Esq.. Mil- 

 waukee. 

 On the Geology of the Region about Devil's Lake, Sauk county; being a 



Report of Observations made by request of the Academy. By Prof* 



Jas. H. Eaton, Beloit College. 

 On the Relations between Social and Moral Science. By Hon. Charles 



Caverno, M. A., Secretary of the Department of the Social and Political 



Sciences, Lake Mills. 

 The Mammalia of Wisconsin. By Dr. P. R. Hoy, M. D., Racine. 

 On the Climatic Relations of the Flora of Wisconsin. By Hon. J. G. Knapp, 



Madison. 



