G. C. DAVIS, 329 



white: four anterior legs beyond femora obscurely yellow ; one specimen has 

 parts of the head and posterior femora obscure dusky rufous; antennse paler 

 beyond annulus ; wings dusky, or yellowish hyaline ; nervures and stigma brown ; 

 areolet subsessile or with the outer nervure obscure ; third discoidal smaller at 

 base than sabmedian cell at apex ; apical transverse carina on metathorax faint; 

 longitudinal median carinfe strong. 



Four specimens from New Hampshire (INIt. Washington, Mrs. 

 Slossoii) ; coll. Amer. Ent. Soc. and Davis. 



Eiii'ypi*octu»« sessilis n. sp. 



9. — 7 mm. Black, with apex of petiole and segments 2-4 of abdomen rufous; 

 four anterior legs beyond trochanters, posterior tibise, except at apex, and base 

 of posterior tarsal segments pale rufous; remainder of legs and the antennse, 

 black; wings subhyaline, iridescent, nervures and stigma brown ; areolet sessile, 

 the outer nervure almost wanting ; third discoidal narrower at base than subme- 

 diau at apex, transverse submedian and basal interstitial; clypeus scarcely dis- 

 tinct from the face; metathoracic carinse as in the preceding species; abdominal 

 segments 2-4 very broad. 



One specimen from Mt. Washington, N. H. (Mrs. Slosson) ; coll. 

 Davis. 



Eiiryproctiis raniis n. sp. 



9 . — 8 mm. Black; abdomen, except base of petiole and segments 6 and 7, 

 rufous; legs rufous lieyoud trochanters, except apex of posterior femora and 

 tibiae, which is dusky; antennte black at base, gradually changing to a reddish 

 brown ; wings yellowish subhyaline, nervures and stigma yellowish brown ; 

 areolet small, petiolate, the outer nervure subobsolete ; transverse median ner- 

 vure uniting considerably in front of the basal ; clypeus scarcely distinct, short, 

 transverse; apical transverse carina of metathorax obsolete; abdomen moder- 

 ately broad, petiole gradually widening toward the apex. 



One specimen from Colorado (coll. Amer. Ent. Soc). 



Eiiryproctus eurvator n. sp. 



"J, . — 8 mm. Black, with anterior orbital lines beneath antennae, scape beneath, 

 more or less of face, clypeus. mouth-parts, annulus on antennae, tegulae, spot in 

 front, spot on lateral margins of mesonotum. four anterior legs, trochanters, tibite 

 except apex and tarsal members 3-5 of hind legs, white or pale yellow ; abdomen 

 rufous, more or less black at apex, petiole black, postpetiole rufous at apex ; pos- 

 terior coxae are often yellow beneath ; posterior femora sometimes partly rufous: 

 antennae more or less yellow beyond annulus: wings yellowish hyaline, nervures 

 and stigma brown; areolet varies from larger and sessile to entirely wanting; 

 apical transverse carinse prominent; abdomen broad, strongly arched. 



Three specimens, Canada, Hudson Bay Territory, and Franconia, 

 N. H. (Mrs. Slosson) ; coll. Amer. Ent. Soc. and Davis. 



Eiiryproctus Ilioyeni Prov. (Memleptns and Tryphoa), Faune Ent. Can. ii, 



396. 



Mesosfenus longicornis Prov., Nat. Can. vi, 300. 



% (and 9 Prov.).— 9 mm. ; antennae 9 mm. Black, with face, anterior orbits 



above antennae, mouth-parts, cheeks benearh, tegulae, s])ot in front, triangular 



spot on margin of mesonotum, annulus on antennae and segments 2-4 on hind 



TRANS. \M. ENT. SOC. XXIV. (42j DECEMBER, 1897. 



