520 PROCEEDINGS OF THE ACADEMY OF [Oct., 



Ontario, Fort Erie, May 30, 1911 (M. C. Van Duzee); Point au 

 Barile, Georgian Bay, July 11, 1914 (R. B. Hughes). 



Nova Scotia, Truro, July 7 to August 16, 1913 (Matheson). 



Maine, Oxford County, Fryeburg, September 5, 1913 (Alexander). 



Vermont, Windsor County, Norwich, July 8, 1908 (Johnson). 



Connecticut, Middlesex County, Middletown, June 17, 1909 (John- 

 son); New Haven County, East River, July 11, 1910 (Ely). 



Rhode Island, Washington County, Kingston, September 23, 1907 

 (Johnson). 



New York, Fulton County, Sacandaga Park, June 11, 1914, to 

 August 24, 1910 (Alexander); Herkimer County, Trenton Falls 

 (Osten Sacken), the type-locality; Indian Castle, June 13, 1915 

 (Alexander); Tompkins County, Ithaca, May 13 to August 24, 1912 

 (Alexander); Westchester County, Tarrytown, June 9, 1914 (Frost); 

 Nassau County, Sea Cliff, August (Banks). 



Pennsylvania, Luzerne County, Hazleton, August 30, 1910 (Dietz). 



New Jersey, Cumberland County, Shiloh, June 19, 1915 (Alex- 

 ander) . 



Maryland, Prince George County, Hyattsville, August 2, 1908 

 (Knab). 



District of Columbia, Washington (Osten Sacken), the type-locality; 

 May 15, 1909 (Knab). 



Virginia, Alexandria County, Rosslyn, May 11, 1913 (Knab) • 

 Fairfax County, Dead Run, May 21, 1914 (Shannon); Difficult Run, 

 July 25, 1915 (McAtee and Alexander); Glencarlyn, June 28 (Banks). 



North Carolina, Onslow County, Camp Perry, July 9, 1915 

 (Alexander). 



Georgia, Rabun County, Clayton, May 20, 1911 (Bradley). 



Louisiana, DeSoto County, Logansport, March 24, 1908 (Tucker). 



Texas, Collin County, Piano, May, 1907 (Tucker). 



The wing is shown on Plate XXVI, fig. 26. 



The male hypopygium (Plate XXIX, fig. 70) with the pleurites 

 elongate, the outer angle produced proximad, dorsad and caudad 

 as a very elongate, slender, irregularly curved and feebly chitinized 

 hook which tapers gradually to an acute point; dorsal pleural appen- 

 dage (d) a cylindrical fleshy lobe, narrowed toward the apex which 

 terminates in a bristle; ventral pleural appendage (v) bifid, the 

 dorsal arm short, densely provided with short hairs on the inner face; 

 ventral arm very long, slightly curved, blade-like, the tip subacute, 

 the arm directed proximad, decussate with its mate of the opposite 

 side. Penis-guard stout, fleshy, near the apex on the ventral sur- 



