HEMIPTERA-HETEROPTERA. 107 



Mass.— Amherst; Beach Bluff, 18 July '15 {H. M. P.); Forest 

 Hills, 8 April '15 (F. G. C), 1 Oct. '15 {H. M. P.); Lynn, 18 Aug. 

 '15 {H. M. P.); Woods Hole (C. T. B.). 



R. I.— Kingston, 13 April '10 {J. B.); Providence, 5 May 

 (C. A. D.). 



Conn.— Cheshire, 6 May '11 (B. H. W.); Lyme, 14 May '11 

 {A. B. C); New Haven, 4 May '11 (B. H. I['.)rPutnam, 12^ July 

 '05 {H. L. v.); S. Meriden, 26 April '14 {H. L. J.). 



Gerris argenticollis Parshley. 

 Ent. News, 1916, vol. 27, p. 103. 



Mass.— 19 April '16, 20 May '15 {H. M. P.). 



Gerris buenoi Kirkaldy. 



Me.— Orono, 19 April '14, 15 Sept. '13 (H. M. P.). 



N. H.— Crawfords, 23 Sept. '16 (H. M. P.); Durham {C. M. W. 

 & W. F. F.) ■ Mt. Washington, Alpine Garden, 4 July '14 (C. W. J.). 



Vt.— Norwich, 18 May '91 (C. M. W.). 



Mass.— Cambridge, 4 May '68 {E. B.) ; Forest Hills, 8 April 

 '15 (F. G. C), 1 Oct. '15 (H. M. P.); Woods Hole, July {T. H. M.). 



R. I.— Kingston, 29 April '10, Sept. '07 (J. B.). 



Conn.— Cheshire, 6 May '11 (B. H. W.); Litchfield, 26 July '01 

 {L. B. JV.); Milford, 10 Aug. '05 (IF. E. B.); New Haven, 14 April 

 'U(B.H.W.). 



Gerris canaliculatus Say. 



Mass.— Beverly, 23 May '78 (E. B.); Cambridge; Forest Hills, 

 9 May '16, 1 Oct. '15 (H. M. P.); Milton, 23 April '16 {E. W. T.). 



R. I.— Kingston, 15 April '10, 3 May '08 (J. B.). 



Conn.— Hamden, 24 Oct. '10 {B. H. W.); New Haven, 4 May 

 '11 {B. H. W.). 



Limnoporus rufoscutellatus (Latreille). 



Me.— Brunswick; Norway (S. J. S.); Orono, 6 May '14 

 {H. M. P.), 19 July '05. 



N. H.— Crawfords, 2 Oct. '16 {H. M. P.); Mt. Washington, 

 Lake of the Clouds, 1 July (C. A. F.) ; summit, 9 July '91 {A. P. M.). 



