162 



24. P,v;iniiii>liii^ ,,l,srnnis (Raiiibur). 



Taken along the shore in front of the hiboratories (hning the hatter 

 part of Jnne. lOm. E. B. ^^'illiamson. 



25. DrnmonoiniiJiii-f ><j)l))osiis Selys. 



Taken clnring Jnly several times at Winuna Lake. E. B. Williamson.* 



26. Iloijcriii riiiiixn (Say). 



Occasional in the woods abont the lake, where they are generally 

 found flying slowly in and out among the 1 tushes hunting small di])tera. 



27. Baslat'scJiiKi jdiDitn (Say). 



One si»ecimen. a female, was taken August 5. 1900, in the bacteriolog- 

 ical tent liy :Mr. i^howers. The specimen is not at hand. The late date 

 makes us doubt the identitication. 



28. Anaxjiiniiix (Drnry). 



This species is common din-ing the early sumnu'r aliout the shores and 

 over the lily beds. .V few badly frayed individuals remain the entire 

 season. 



29. Ejiininhila i>riiicf}ix (Hagen). 



Conimon dui-iug the entire summer along the shores of the lake, over 

 the lily lieds. and liack over the swamps and meadows. It is a very strong 

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

 and s; Idom seen in copulation. 



30. Tnniica lacerata Hagen. 



This is conimon abcnit the shores and over tlie lily pads the entire 

 summei-. It is a liigli. swift tlier and. tliougli common, is seldom taken. 



31. I'rnllii'iiiix (l(i))iiti<i (Drury). 



This little dragonfly is common over llu' lily and potamogeton beds, Of 

 the two sexes tlie males are much the more abundant. 



32. Cclclhcmix epimiiia (Drury). 



\-ery common over the lily and potamogeton beds during the middle 

 and latter p.-ut of summer. Constantly pairing. 



33. Crlcthi'tiii-^ cJi-'"! (Hagen). 



This very pretty sjiecies is moderately common in the swamp south 

 of Winomi Lake during the middle and late summer. 



34. Sipiijirtriuii niliioindidxm (Say). 



This species is very common in the meadows and Hi'lds about the lake 

 during the latter part of summer. It is especially common south of the 



ProeecUngs Indiana .\eaclemy of Science, 1901, \>. r2L 



