288 Natural History Bulletin. 



Family esocidje. The Pikes. 

 Esox LUCIUS L. Jack-Fish. Pike. 



Family percid^. The Perches. 

 Stizostedium vitreum (Mitch.). Wall-Eyed Pike. 



Class INSECTA. 



Order HYMENOPTERA. 



The only specimens brought back were a few larvae of 

 Saw-Flies. 



Order LEPIDOPTERA. 

 Only a few larvas obtained. 



Order DIPTERA. 



The material in this order being alcoholic it has proved 

 impossible to fully identify all the species. The names of 

 such as are available for study have been kindly furnished by 

 Prof. J. M. Aldrich, of Brookings, S. D. 



Family muscid.s. 

 Calliphora near erythrocephala Meig. 



Family tabanid^e. 

 Tabanus (Therioplectes) sp. 

 Tab ANUS (Therioplectes) sp. 

 Tabanus (Therioplectes) epistates O. S. 



Family xiPULiDyE. 

 TiPULA sp. One specimen. 



Family culicid^. 



Only females obtained. The genus and species cannot be 

 determined. 



