CONTENTS. 
Page. 
On some Analogies between the Equations of Elasticity and Elec¬ 
tro-Magnetism, by John E. Davies. 3 
Notes on a Trip to the Lipari islands in 1889 (with plate I), by Wm. 
H. Hobbs. 21 
Some Suggestions concerning Methods of psychological Study, by 
J. J. Blaisdell. 33 
On the Flora of Madison and Vicinity, a preliminary Paper on the 
Flora of Dane county, Wisconsin (with plate II), by L. S. Cheney 
and R. H. True. 45 
The Direction of social Reform, by David Kinley. 137 
A supplementary List of parasitic Fungi of Wisconsin, by J. J. Davis 153 
On the Cyclopidse and Calanidse of central Wisconsin (with plates 
III-VI), by C. Dwight Marsh. 189 
The progress of geological Surveys in the State of Wisconsin—a 
Review and Bibliography, by Wm. P. Blake.. 225 
A Contribution to the Flora of the lake Superior Region, by L. S. 
Cheney ..... 233 
Geology of the Waterloo quartzite Area (with plates VII-IX), by Ira 
M. Buell. 255 
Notes on Oladocera, III (with plates X-XIII), by E. A. Birge. 275 
On the structure and affinities of Bunops scutifrons , Birge (with 
plates XIV-XV), by Harriet Bell Merrill. 318 
Proceedings: 
Report of the Secretary; 
Minutes of the field meeting of 1892.. i 
Minutes of the 23d annual meeting. iv 
Report of the Treasurer. xiii 
Report of the Auditing Committee. xiv 
Report of the Library Committee . xv 
Report of the Librarian. .,. xvii 
Report of the Custodian. lxiii 
Report of the Committee on the Revision of the Constitution. lxv 
In Memorium: 
Aaron Lucius Chapin, D. D., L. L. D., by J. J. Blaisdell. Ixxi 
Philo Romayne Hoy, M. D., by John G. McMynn. .. .. lxxv 
List of Officers and Members. . . .. lxix 
Appendix: 
Catalog of the Library, by Wm. H. Hobbs.App. 1 
Index.■.App. 213 
