gray iteftemmi 
Htmrd Univer sitv 
Vol. 4. (newsek.es) OCTOBER, 1906. No. 4 
BULLETIN 
OF THE 
WISCONSIN 
NATURAL HISTORY 
SOCIETY 
CONTENTS. 
Notes on The Herring Gull and The Caspian Tern — Henry 
L. Ward. 
A Contribution to Our Knowledge of the Visual Memory 
of Bees— S. Graenicher. 
Notes and Descriptions of North American Parasitic 
Hymenoptera. II— Charles T. Brues. 
On The Habits and Life-History of Leucospis affinis 
Say — S. Graenicher. 
A Remarkable Ceremonial Object from Michigan — Henry 
L. Ward. 
Notes on The Fossil Fish-Spine, Phlyct^enacanthus telleri. 
Eastman — Edgar E. Teller. 
MILWAUKEE, WISCONSIN. 
THE EDW. KEOGH PRESS, MILWAUKEE. 
Entered as second-class matter, Oct. 24, 1906, at the post-office, Milwaukee, Wis., under Act of Congress 
of July 16, 1894. (Issued quarterly.) 
