ICO 



3. Li'stis ili.yinicliis Selys. 



A male and female taken by Mr. E. B. 'Williamsoii in the swamp south 

 of the lake on July 13, I'Jito. One female taken liy the wi iter south of the 

 lake July 23, 1J>00. 



4. Xt'.s/c.s rcrtaiiijiilar/s Say. 



Four males taken )>y Mr. E. I*.. Willi.-unson in the swamp south of the 

 lake, July 13, 1!)UI». One male tiiken by the writt'r at the same place, 

 July (•), 1!»()1. 



5. LcMes vigila.r Hagen. 



One female was taken August 1."), IDLH), south of the lake. 



6. Lextf'it ini'(jii(ilii< Walsh. 



One female was taken in the si)atterdoek ))e(ls on the south shore of 

 the lake. July S. IIHJI. 



7. Argiu iintrlda (Hageu). 



Occasional on the sand Imnk and pier at the moutli of ("lierry Treek. 



8. Ai'iild ridlacca (Hagen). 



Fairly common about tlie water. This species is especially aluuidant 

 along the banks of Cherry Creek during August. 



9. Argia sednJa (Hagen). 



One specimen, a male, v.as taken July 8, I'.inl. along the soutli sliore of 

 the lake. 



10. Argid tibiitlix (Rambur). 



Tlu'ee males of this sjiecifs were taken south of tlie lakt-, July 13, irMK). 

 E. P>. Williamson. 



11. Argid ii/ticiilis (Say). 



Two males were taken liy All'. E. I'>. ^\'illiamson. .-oulli of the lake, 



July 13, V.llMt. One lemale was taken liy t])e writer July LM'.. I'.tltl, in the 

 same swamp. 



12. Xi']iiili'i))iiii jKis/'id (Hagen). 



("onnnon in tlie grass about Die lalioratory. 



13. Xi]i((li-niii(i iri'iir (Hagen). - 



One siiecimeii, a male, was taken ))y .Mr. E. I*.. AVdliaiiisoii near tlie 

 Biological Station, June 22, I'.iiil. 



14. EnoJUigma Ikujou (Walsh). 



This species is common in tlie vegetation along tlie shores of the lake 

 until the middle of July. 



