214 rROCEEJUNGS OF THE NATJOXAL MUSEIM. vol.xx. 



spot, the spines black in the apiral lialf, crowded, eleven to sixteen, 

 usually twelve to thirteen, in niniiber in the outer series. Extremity of 

 male abdomen a little chivate, a little recurved, the snpraanal plate 

 triangular, acutangulate at tip, with strongly elevated and sharp sub- 

 median ridges on either side of the deep, narrow, and subequal median 

 sulcus, which fades and widens apically; furcuhi consisting of the 

 slightly tumid attingent jiortions of the mesially divided last dorsal 

 segment, each produced posteriorly as a triangular tooth projecting 

 over the supraaual plate, the tooth sonu'tinies shorter than, usually as 

 long as, the basal swelling, in southern examples half as long again as 

 it (the length slightly exaggerated in fig. 0); cen-i simi)le, feebly fal- 

 ciform blades about twice as loiig as their basal breadth, at the 

 rounded apex about half as broad as at base, usually slightly incurved, 

 and generally exteriorly sulcate on the apical half\ sometimes to a 

 considerable degree; subgenital plate small, <onical, the upper margin 

 acutangulate as seen from above, in one jdane, entiie. 



Length of body, male, 17 mm., fenuile, 22 mm.; antennae, male and 

 fen J ale, 8 mm.; tegmina, male, 5 mm., female, 5.25 mm.; hind femora, 

 male, 10 mm., female, 12.75 mm. 



Seventy-three nmles, 95 females, lirunswick, Maine, Packard (Mu- 

 seum Comparativ Zoology); Springfield, Hampden County, Massa- 

 chusetts, Allen (same); Deep River, Middlesex County, Connecticut, 

 August 24 (A. P. Morse); iNew Haven, Connecticut, S. I. Smith, A. P. 

 Morse (S. H. Scudder; Museum Comi)arative Zoology); North Haven. 

 New Haven County, Connecticut, August 23 (A. I'. Morse); South Kent, 

 Litchfield County, Connecticut, August 19-20 (A.P.Morse); Staten 

 Island, New York, Sei)tember 18, W.T.Davis; ^Vlarjiand, Sei)tember 

 15, 19, October 18, 25, P. li. Uhler; Middle States, R. Osten Sacken: 

 Washington, D. C. (L. Bruner, L'.S.N.M.); Virginia (U.S.N. M, — Riley 

 collection); Shenandoah Valley, Virginia, October, Packard (^luseum 

 Companrtive Zoology); Vigo County, Indiana, W. S. Blatchley (S. 11. 

 Scudder; A.P.Morse); Bloomington, Monroe County, Indiana, Bollman 

 (U.S.N.M.); Lexington, Fayette County, Kentucky, August 29, Septeni 

 ber3, H. Carman : near Mammoth Cave, Kentucky, October, Putnam 

 (Museum Comparative Zoology); Illinois, Thler (S. H. Scudder; L. 

 Bruner); Northern Illinois, Kennicott; Ogle Countj^ Illinois, J. A. 

 Allen; Chicago, Cook County, Illinois, Sei)tember (I". S.N. M. — Riley 

 collection); Rock Island, Illinois, Walsh; Moline, Rock Island County, 

 Illinois, McNeill; Southern Illinois, November 1 (U.S.N.M. — Riley col 

 lection); Saint Clair County, Illinois, October 29 (same); Jackson 

 County, Illinois (same); Dallas County, Iowa, August 8-10, September 

 1^, J. A. Allen; Jefferson, Greene County, Iowa, July 20-24, Allen: 

 Crawford County, Iowa, July 13-24, Allen; West Poijit, Cuming County, 

 Nebraska, L. Bruner; Missouri. September 24-25 (U.S.N.M. — Riley col 

 lection) ; Savannah, Andrew County, Missouri, October 30 (same) ; Cen- 

 tral Missouri (same); Boone County, Missouri, November 1 (same); Saint 



