634 PROCEEDEVGS OF THE NATIONAL MUSEUM vol. ii4 



lateral margins well sclerotized and converging distad; angle of bifur- 

 cation broad, rounded; furcae of medium length, rather slender, 

 tubular, converging and curving strongly ventrad toward apices, 

 punctate and setose, basal portions broadly separated, apical portions 

 rather narrowly separated, apices acute. 



Gnathos typically paired, directed ventrad but with apical portions 

 curving slightly caudad; arms rather slender, well sclerotized, with 

 apical portions slightly divergent and finely scobinate entad, apices 

 rather narrowly rounded. 



Anellus membranous, unarmed, juxta absent. 



Aedeagus large, approximately two-thirds as long as harpe, mark- 

 edly flattened laterad, only about four times longer than broad, 

 asymmetrical; base un expanded, tubular; approximate apical two- 

 thirds curving considerably ventrad, heavily sclerotized ventrolaterad, 

 opening broadly dorsad; central portion of heavily sclerotized area 

 armed with numerous, minute, acute, spinelike processes directed 

 distad ; apex narrowly rounded. 



Vesica large, membranous, unarmed. 



Type. — Type 9 in the British Museum (Natural History). 



Type locality.— "New York." 



Distribution. — Northern portions of central and eastern United 

 States. Minnesota, Wisconsin, and Illinois eastward to New Hamp- 

 shire, New Jersey, and North Carolina. 



Specimens examined. — 68 (33 cf cf, 35 99), from 24 localities 

 (5 cf cf and 2 99 without data) : 



Illinois: Chicago, 9 (Oct. 18, 1904) ; "Northern Illinois," cf , 3 9 9 (no date, 

 Andreas Bolter collection). Massachusetts (?) : 9 labeled "Cambr. B.," 

 possibly meaning Cambridge, Boston. Minnesota: Saint Anthony Park, 

 Minneapolis (?), cf (Sept. 27, 1899), cf, 9 (Sept. 16, 1900); locality unknown, 

 cf ("Minn.," date and collector unknown). New Hampshire: Hampton, 9 (Oct. 

 11, 1904, S. Albert Shaw); Nashua, d' (Oct. 1900). New Jersey: Alpine, 9 

 (Oct. 1918, G. P. Engelhardt); Jamesburg, cf (Oct. 12, 1908); New Brunswick, 9 

 (Oct. 1, J. A. Grossbeck collection), 2 cf cf (Oct. 5, Grossbeck collection); Pali- 

 sades, 9 (Oct. 11, 1917, G. P. Engelhardt); Riverton, cf (Nov. 5, 1905, Daecke 

 collection); Wenonah, 9 (Oct. 21, 1905, Daecke collection). New York: 

 Brooklyn, Long Island, 2 9 9 (no date, G. P. Engelhardt) ; Horseheads, 2 9 9 

 (Oct. 17, 1935 and Oct. 23, 1940, L. R. Rupert); Ithaca, 9 (Oct. 15, 1882, "Day- 

 time"), c?" (Oct. 5, 1934, Rehn), 9 (Sept. 26, 1934, J. G. Franclemont), d", 9 

 (Oct. 21, 1935, Franclemont), cf (Oct. 17, 1936, Franclemont); Yaphank, Long 

 Island, cf, 9 (Oct. 12, 1915, G. P. Engelhardt) ; locaHty unknown, cf, 9 ("N.Y.," 

 Henry Edwards collection). North Carolina: Black Mountains, cf (1911). 

 Pennsylvania: Jeannette, cf (Oct. 11); New Brighton, 9 (Oct. 26, 1902, H. D. 

 Merrick), cf (Nov. 2, 1902, Merrick); Oak Station, Allegheny Co., 9 (Oct. 8, 

 1908), cf (Oct. 18, 1908), cf (Oct. 1, 1911, Fred Marloflf) ; Pittsburgh, 9 (Sept. 12, 

 1905), 2 d' d^ (Sept. 24 and 28, 1905), 9 (Oct. 1, 1905, Henry Engel), d' (Oct. 2), 

 d", 3 9 9 (Oct. 10); Rockville, 2 d' d", 3 9 9 (Oct. 13, 1912, E. Daecke), d* 

 (Sept. 27, 1914); Roxboro, 9 (Sept. 25, 1905); Swissvale, d", 9 (Oct. 2), d" 

 (date and collector unknown). Wisconsin: Twin Lakes, 9 (no date, Ramstadt) . 



