iv 
Table of Contents. 
PAGE. 
The anatomy of the heart of Cambarus (with plates V 
and VI). W. S. Miller , 327 
The erosive action of ice . . C. E. Culver, 339 
On the action of aluminum chloride on saturated hydrocar¬ 
bons ..... Homer W. Hillyer, 367 
The relation of economic crises to erroneous and defective 
legislation, with special reference to banking legisla¬ 
tion ...... Edward D. Jones , 370 
Plankton studies on Lake Mendota. I. (With plates VII, 
VIII, IX, X) E. A. Birye , 0. A. Olson and H. P. Harder , 421 
Bowlder trains from the outcrops of the Waterloo 
quartzite area (with plates XII, XIII, XIV, XV, XVI) 
Ira M. Buell , 485 
Vegetation of the town Prairie du Sac . Herman F. Lueders , 510 
The relation of the cortex of the cat’s kidney to the volume 
of the kidney and an estimation of the number of glom¬ 
eruli . . . W. S. Miller and E. P. Carlton, 525 
An experimental study of field methods which will insure 
to stadia measurements greatly increased accuracy, 
Leonard S. Smith , 539 
The origin of the dells of the Wisconsin . C. R. Van Hise, 556 
THE WISCONSIN ACADEMY OF SCIENCES, ARTS AND 
LETTERS. 
Officers .......... 561 
Standing Committees ....... 562 
Past Presidents ........ 562 
Honorary Members ....... 563 
Life Members ........ 563 
Active Members ........ 564 
Corresponding Members ...... 571 
Deceased Members . . . . . . . 574 
