CONTENTS. 
, V -V 
Observations on the Behavior of Eubranchipus dadayi By A. S. Pearse 
. ■ . ■' ■ /Si . "■ ■./.,) ,■} • _*vC \-l r - 
> 
Some Notes on the Habits and Distribution of Wisconsin Craw¬ 
fishes .By S. Graenicher 
Economic and Biologic Notes on the Giant Midge Chironomus 
( Tendipes ) plumosus Meigen . . . By A. C. Burrill 
New Species of Dragonflies ( Odonata ) . By Richard A. Muttkowski 
Records of Wisconsin Diptera , . . By S. Graenicher 
. 
No*. I and 2, volume 10, were issued September 11, 1912. 
The title-page, table of content*, and index to a volume will hereafter be issued with the first number 
of the following volume. 
Actual Date of Publication, April 18, 1913. 
