Biological Papers. 201 



Family OsciNlD^. 

 Chlorops palpalis Adams. May, twilight. 

 Hippelates flavipes Loew. June. Also in Sedgwick county; April. 



pusio Loew. June, twilight; August. Also in Sedgwick county; 

 April. 

 Oscinis carbonaria Loew. April, at night; May, at night. 



coxendix Fitch. April; June, twilight. Also in Sedgwick county; 



April, 

 decipiens Loew. July, 

 soror MaCq. May, June. 



Famils Drosophilid^. 

 Drosophila (Scaptomyza) adusta Loew. May, at night; August, 

 amoena Loew. April, 

 funebris Fab. May; June; July; July, twilight; October; and 



November, in kitchen. 

 (Scaptomyza) graminum Fal. April; April, at night. 



Family Agromyzid^. 

 Phytomyza diminuta Loew. May; June, twilight and at night. 

 Ceratomyza dorsalis Loew. May, at electric light; June. 

 Agromyza aeneiventris Fal. July. 



parvicomis Loew. Sedgwick county; April. 

 Desmometopa latipes Meig. June. 



m-nigrum Zett. June. 

 Ophthalmomyia lacteipennis Loew. Sedgwick county; August, in windows 

 of farmhouse. 



