162 



24. Pi-dr/DiiipIii"- <)h.-^<-iiiii-< (Rambur). 



Taken aloiiu" tiie shore in front of the hiboratories (lnrin;r the hitter 

 part of June. V.)\\\. E. P.. Willhunson. 



25. Dromoi/oiiijiJiiix sjiiiioxn-^ Selvs. 



Taken (hiriut;- .July several times at Winona Lake. E. B. Williamson.* 



26. Jiiiiierid riiinxn (Say). 



Occasional in the woiuls aliont the lake, where they are generally 

 fomul tlyin.^- slowly in and out amonu- the Imshes hunting small diptera. 



27. I>'imu'-'<cltiia j(iti'if<i (Say). 



One specimen, a female, was taken August o. l!>On. in the bacteriolog- 

 ical tent by :Mr. Showers. The specimen is not at hand. The late date 

 makes u.s doubt the identihcation. 



28. Ancf.r junl>('< (Drury). 



This species is common during the early summer about the shores and 

 over the lily l;eds. .V few badly frayed individuals remain the entire 

 season. 



29. Kj)lcnv<Jiiht itriiiccps (Hageu). 



( ommon during the entire summer along the shores of the lake, over 

 the lily lieds. and I'.ack over the swamps and meadows. It is a very strong 

 flier and is en the wing from dawn to dark, never being seen to alight, 

 and s; Idom seen in copidation. 



30. Trii)n"ft liurruta Hagen. 



This is t ommon aliout the shores and over the lily pads the entire 

 sununer. It is ;i high, swift flier and, though common, is seldom taken. 



31. Pi ritlinnix (Jumitid (Druiy). 



This little dr;igont1y is common over the lily and potamogeton 1);h1s. Of 

 the two s^exes the males are much the more abundant. 



32. CiU'thi'mix epnnina (Drury). 



Very common over the lily and potamogeton beds diu'ing the middle 

 and latter part of summer. Constantly pairing. 



33. ('('Ii'fhemly rlisa (Hagen). 



This very pretty species is moderately commoji in the swamp south 

 of Winona Lake dni'ing the middle and late summer. 



34. SiimprtrHYii rnhii-nn'Jiil mn (Say). 



This species is very common in the meadows and tields about the lake 

 during the latter j art tif summer. It is esi>ecially common south of the 



Profecbns,« Indiana .\eademy of Scienoe, 1901, p. 121. 



