March, '02] entomological news. 69 



Silver Lake, August 8 and 27, 1898 ; Schenley Park, August 

 26 and 31 and September 6, 1898 ; Allegheny River, Alleghany 

 County, August 9 and September 12, 1898; Turtle Swamp, 

 August 21, 1898 ; Chartiers Creek, May 28, 1899 ; Pine Creek, 

 June 4, 1899 ; Couneaut I^ake, August 6, 1899 (D. A. Atkin- 

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



16. Enallagma caruncnlatum Morse. 

 Schenley Park, August 29, 1898. 



17. Enallagma aspersnm Hagen. 



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



18. Enallagma geminatum Kellicott. 



Chartiers Creek, May 28, 1899 ; Couneaut Lake, August 6, 

 1899 (D. A. Atkinson). 



19. Enallagma ezsnlans Hagen. 



Beaver County, May 25, 1899 ; Alleghany County (C. Dag- 

 gette) ; Monongohela River, Alleghany County, July 30, 1898 ; 

 Silver Lake, August 14, 1898 ; Aspinwall, September 12, 1898 ; 

 Chartiers Creek, May 28, 1899 ; Ohio Pyle, June 18, 1899, and 

 June 24-July I, 1900; Idlewild, July 10, 1900 (D. A. Atkin- 

 son. A pair of this species was observed of which, after 

 many ineffectual attempts at copulation, the male dropped the 

 female, who lay as though dead for some minutes before flying 

 away, the male meanwhile clinging motionless to a grass stem* 



20. Enallagma antennatnm Say. 



Silver Lake, August 27, 1898 ; Chartiers Creek, May 28, 

 1899. 



2r. Enallagma siguatam Hagen. 

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



22. Enallagma poUutnm Hagen. 



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



23 Ischnnra verticalis Say. 



Schenley Park, July 30, 1898, and May i, 1899 ; Monongo- 

 hela River, Alleghany County, July 30, 1898 : Turtle Swamp, 

 July 31 and Augu.st 21, 1898, and May 3 and June 3, 1899; 



