130 [January 



aud stronger towards the tip; venter black-violaceous. Length 5g 

 lines ; expanse of wings 11 lines. 



Collection. — Eut. Soc. Philad. One specimen. 



This elegant species belongs to the subgenus Agenia. 



Sec. 5. — Wings blackish-violaceous. 

 Pompilus purpuripennis, n. sp. 



Deep blue; wings deep violaceous-purple; metathorax abrupt behind, deeply 

 grooved down the middle, roughly and transversely striated ; legs slightly spi- 

 nose. 



Female. — Black, with a strong, beautiful deep blue reflection, and 

 in certain lights shaded with deep purple; antennae short and black, 

 slightly involute ; prothorax larger than the mesothorax, rounded in 

 front; metathorax rough, abruptly truncate and excavated behind, with 

 a deep central longitudinal channel, wider behind, and on each side 

 of it the surface is deeply, roughly and transversely striated, on the 

 verge of the lateral truncation there is a longitudinal fold over which 

 the transverse striae run. Wings ample, dark fuscous, with a very 

 strong violaceous-purple reflection; nervures thick and black, the third 

 submarginal cell rather smaller than the second, both cells receiving 

 the recurrent nervures about the middle. Legs bluish-purple ; the 

 four posterior tibiae with a few short scattered spines, the tibiae more 

 thickly spinose. Abdomen subsessile, narrower than the thorax, pointed 

 at tip, convex above, black, with a strong blue-purple reflection, the 

 venter slightly greenish. Length 8 lines; expanse of wings 15 lines. 



Collection — Ent. Soc. Philad. One specimen. 



This species or even P. fulgidus, described below, may be the P. 

 amethyst inns Fab., but it is impossible to say that they are identical, 

 unless by comparison with typical specimens. 



Pompilus anceps, n. sp. 



Obscure greenish-blue; face silvery; wings violaceous; metathorax smooth 

 and rounded behind; legs spinose, 



Male. — Black, with a greenish-blue sericeous shade; the face silvery- 

 sericeous in certain lights; antennae black, pale sericeous; metathorax 

 smooth, rounded and tinged behind with obscure purplish. Wings 

 ample, dark fuscous, with a strong violaceous reflection; nervures 

 black; third submarginal cell sub triangular, very much narrowed to- 

 wards the marginal. Legs black, strongly shaded with bluish-purple, 

 the four posterior tibiae and tarsi with a few scattered spines. Abdo- 

 men nearly sessile, subconvex, black, with a strong greenish-blue seri- 

 ceous reflection; apex pubescent. Length 6 — 65 lines; expanse of 

 wings 11 — 12 lines. 



