CONTENTS. 



Proceedings. 



Notes on the Natural History of Ambystoma Jeffersonianum, A. Punc- 



tatum and A. Tigrinum ... By Bertram G. Smith 



New Records of Wisconsin Dragonflies (Odonata) II. 



-By Richard A. Muttkowski 



A Trematode Parasite of the English Sparrow in the United States 



. . -By Leon J. Cole 



Incidental Observations on a Queen of Polistes pallipes Lepelletier de 

 Saint Fargeau While Founding a Colony, Including Frag- 

 mentary Biological Notes . . . By A. A. Girault 



A Case of Defensive Self-mutilation in Cryptobranchus 



By Bertram G. Smith 



Wisconsin Diptera. A Supplement to the Preliminary List of Bom- 



byliidae, Syrphidae and Conopidae . By S. Graenicher 



The Cisco of Green Lake, Wisconsin . . • By George Wagner 



Some Records of Wisconsin Lizards . . . By S. Graenicher 



Additional Record of Allegheny Least Weasel By Henry L. Ward 



"The Status of Hoy's Shrew in Wisconsin . By Henry L. Ward 



Actual date of pullication, June 22. 1911 



