68 ENTOMOLOGICAL NEWS. [March, '02 



water, apparently against their wills, by the females. Fre- 

 quently a male will release himself from the prothorax of the 

 female, and numbers of such males may be resting motionless 

 above the water's surface on the very vegetation in which the 

 females are ovipositing beneath the surface. 



8. Argia violacea Hagen. 



Alleghany County, July, 1899 (D. A. Atkinson) ; Couneaut 

 Lake, August 6, 1899 (D. A. Atkinson) ; Ohio Pyle, June 28, 

 1900 ; Idlewild, July 7, 1900 (D. A. Atkinson). 



9. Argia apicalis Say. 



Ohio River, Alleghany County, August 21, 1898 ; Monon- 

 gohela River, Alleghany County, July 30, 1898; Allegheny 

 River, Alleghany County, September 18, 1898. 



10. Erythromma conditnm Hagen. 



Idlewild, May 30, 1899 ; Pine Creek, May 21 and June 4, 

 1900. Taken especially along low sedgy streams, usually 

 among trees or underbrush. 



11. Nehalennia Irene Hagen. 



Alleghany County, July, 1899 (D. A. Atkinson), 



12. Nehalennia posita Hagen. 



Pine Creek, June 4, 1899 ; Alleghany County, July, 1899 

 (D, A. Atkinson) ; Couneaut Lake, August 6, 1899 (D. A. 

 Atkinson). 



13. Amphiagrion saaciam Hurmeister. 



Alleghany County, July (A. S. Brent and D. A. Atkin.son) ; 

 Turtle Swamp, June 3, 1899; Pine Creek, May 21 and June 

 4, 1899 ; Idlewild, July 10, 1900 (D. A. Atkinson). 



14. Enallagma Hageni Walsh. 



Idlcwihl, July 10, 1900 (D. A. Atkinson). At Idlewild 

 there are a nunil)er of ponds along the railroad track near the 

 lyoyalhannah. Probably this species was taken alx)ut these 

 ponds and not along the creek. 



15. Enallagnu civile Hagen. 



Alleghany County, July (J. L. Graf and D. A. Atkin.son) ; 



