CONTENTS 
A Biological and Statistical Analysis of the Vegetation of 
a Typical Hay . Meadow . Arlow B. Stout, 405 
The Pholiota of the Region of the Great Lakes 
Edward T. Harper, 470 
The Walden Inversion •. Andrew. F. McLeod, 503 
The Chemistry of Boron and some new Organic-Boron 
Compounds . . Arden B. Johnson, 528 
A Study of the Light Reactions of Philobolus 
... Hally D. Jolivette, 533 
The Cytology of the Convallariaceae 
Frederick McAllister, 599 
The annual half-volume of the Transactions is issued by the 
Wisconsin Academy of Sciences, Arts, and Letter in six num¬ 
bers, under the editorial supervision of the Secretary. 
The price of this number is $1.00. 
