1893.] NATURAL SCIENCES <>K PHILADELPHIA. 517 



and a- half times longer than it is broad at the base, sparsely punc- 

 tured. Black ; scape beneath at apex, mandibles in the middle and 

 apical joints of the tarsi obscure reddish ; abdomen bright red, some- 

 what blackish towards apex; front, face, clypeus and thorax sparsely 

 clothed with silvery pubescence; the abdomen with sparse silvery 

 pile; wings subhyaline, iridescent, nervures black; marginal cell 

 obliquely truncate; third submargiual cell at the top a little greater 

 than the second at the same place. Length 7 mm. 

 Texas. 



13. — Tachysphex aequalis n. sp. 



$. — Front very finely granulated; vertex with close and fine 

 punctures; space between the eyes at top about equal to the length 

 of antennal joints 2 and 3 united ; anterior margin of the clypeus 

 subtruncate, armed with a tooth laterally; antenna? not thickened 

 medially, the first joint of the fiagellum about one-third shorter 

 than the second; dorsulum very finely and closely punctured; the 

 scutellum likewise; metathorax above coriaceous or finely granu- 

 lated, the sides not or very indistinctly striated, the posterior face 

 coarsely striated; legs feebly spinose, the emargination of fore 

 femora broad.' Black ; scape beneath at apex, mandibles medially 

 and the tarsi obscure reddish; first two segments of abdomen except 

 base of the first, red; face and clypeus with dense silvery pubescence, 

 that on the front golden; the thorax also tolerably well clothed with 

 silvery pubescence ; abdomen dorsally with silvery pile ; wings 

 subhyaline, iridescent, nervures testaceous; marginal cell obtuse at 

 apex; second and third submargiual cells at the top about equal. 

 Length 7-8 mm. 



State of Washington. 



14. — Tachysphex sculptilis n. sp. 



9. — Anterior margin of the clypeus subtruncate; front coarsely 

 granulated; vertex with fine, distinct punctures; space between eyes 

 at top greater than length of antennal joints 2 and 3 united, but less 

 than joints 3 and 4 united; antenna? long, the fiagellum scarcely seta- 

 ceous, the first joint of the latter but little shorter than the second; dor- 

 sulum with fine, distinct punctures; metathorax above with coarse, 

 longitudinal striations, the sides and posterior face also coarsely 

 striated ; legs feebly spinose; abdomen impunctate, except last 

 ventral segment; pygidial area well defined, sparsely punctured and 



