March, '02] ENTOMOLOGICAL NEWS. 69 



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

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

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

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

 June 4, 1899 ; Couneaut Lake, August 6, 1899 (D. A. Atkin- 

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



16. Enallagma canmculatum Morse. 

 Schenley Park, August 29, 1898. 



17. Enallagma aspersum Hagen. 



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



18 Enallagma geminatum Kellicott. 



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

 1899 (D. A. Atkinson). 



19. Enallagma exsulans Hagen. 



Beaver County, May 25, 1899 ; Alleghany County ( C. I'a-- 

 gette) ; Monongohela River, Alleghany County, July 30, 1X98 ; 

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

 Chartiers Creek, May 28, 1899 ; Ohio Pyle, June iS, 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 

 man}- 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* 



2 >. Enallagma antennatum Say. 



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

 1899. 



2[. Enallagma signatnm Hagen. 



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



22. Enallagma pollntum Hagen. 



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



23 Ischnura verticalis Say. 



Schenley Park, July 30, 1898, and May i, is^ij : Moii<>n-o- 

 hela River, Alleghany County, July 30, i8<;S : Turtle S\v:mi]>, 

 July 31 and August 21, 1898, and May 3 and June 3, t8 



