1906.] NATURAL SCIENCES OF PHILADELPHIA. 491 



each side, two submedian toward base, one humeral, rather longer 

 than others, four on posterior part, and two on the posterior margin; 

 wings large, nearly as high as long, projecting a little in front of 

 the abdomen, evenly rounded below; both wings and abdomen 

 evenly, minutely gi'anulate; genital opening twice its length 

 in front of larger anus; venter granulate; sternal plate with two lines 

 each side. Legs short and small, high up on the sides, leg IV not near 

 as long as width of the body ; with fine hairs as usual; three equal claws. 



Length 1 mm. 



Franconia, N. H. (Mrs. A. T. Slosson.) 



Galumna nitidula n. sp. 



Dark red brown, no basal spot on abdomen; legs pale yellowish. 

 Cephalothorax very small and short, a lamella along each side, two- 

 thirds the way to tip, its tip free and ending in a short bristle; superior 

 bristles very short; pseud ostigmatic organ rather short, fusiform. 

 Abdomen plainly longer than broad, high, without hairs, smooth and 

 shining, venter also; wings very small, angulate in front; genital open- 

 ing one and one-half its length in front of much larger anal opening; 

 sternal plate with two furrows across, hind margin of hind coxae run- 

 ning into middle of genital opening; legs very short and small; the tarsi 

 equal to the tibiae; three equal claws. 



Length .7 mm. 



From Franconia, N. H. (Mrs. A. T. Slosson.) 



Galumna persimilis n. sp. 



Color, dark brown, a pale spot at base of abdomen, legs pale yellow- 

 ish. Cephalothorax with a broad lamella each side, its apical third 

 free and ending in a long bristle, on outer side a long, erect pointed 

 lamella, ending in a quite long bristle, a short lamella each side 

 on tip of cephalothorax, higher in middle than at either end; 

 superior bristles long, erect; pseud ostigmatic organ short and 

 clavate. Abdomen smooth, globose; nine bristles each side, those 

 toward apex thickened and almost clavate, one humeral, three near 

 middle of each side, and five toward tip; wings not very large, much 

 longer than high, triangular, but rounded below; venter smooth; 

 genital opening twice its length in front of larger anus ; a pair of bristles 

 behind anus; sternal plate with three lines each side, middle longest. 

 Legs short and slender; tarsi as long as tibiae; a spine-like, barbed 

 bristle beneath each patella, and two at tips of tibiae; femur IV mar- 

 gined beneath ; a large tectopedium behind coxa I ; three equal claws. 



Length .5 mm. 



