254 CHARLES A. BLAKE. 



Agama Astyanax. — %. — Fusco-ferruginous; head quadrate, posterior 

 angles rounded, finely punctured, thinly clothed with erect yellowish hairs; 

 eyes large, prominent, polished; antennse fuscous, scape punctured, flagellum 

 pruinose; thorax ovate, narrowed posteriorly, closely punctured, mesothorax 

 with two short impressed, longitudinal lines, thinly clothed on disc with 

 yellowish pubescence, metathorax roundly truncate, broadly reticulate, flanks 

 deeply excavate; wings yellowish hyaline, marginal cell ovate, lanceolate, 

 roundly truncate at tip, first submarginal small, narrow, second subquadrate, 

 narrowed to apex, receiving the first recurrent before the middle; tegulse dark 

 honey-yellow; legs fuscous, clothed with yellowish pubescence, calcaria long ; 

 abdomen ovate-petiolate, minutely punctured, apical margins of the segments 

 fringed with white. Length 14 mm. 



Hub. — Texas. Two specimens. 



Agama ferruginea. — %. — Uniform ferruginous; head not as wide as 

 thorax, finely punctured, eyes large, prominent, tips and upper edges of mandi- 

 bles blackish; flagellum of antennse fuscous, slightly pruinose ; thorax ovate, 

 narrowed posteriorly, mesothorax with two longitudinal, parallel, impressed 

 lines, scutellum rounded, closely punctured, metathorax coarsely reticulate, 

 flanks punctured; wings fuscous, marginal cell ovate-lanceolate, first submar- 

 ginal small, narrow, second subquadrate, receiving the first recurrent about the 

 middle, stigma small, fusco-ferruginous; tegulae polished, dark honey-yellow; 

 legs thinly clothed with scattered hairs; abdomen elongate-ovate, petiolate, 

 shining, thinly clothed with erect pale hairs, basal segment subpyriform, 

 second minutely and remotely punctured. Length 11 mm. 

 Hab. — Nevada. 



Myrmosa rufiventris. — %. — Head large, black, quadrate, wider than 

 the thorax, finely punctured, thinly clothed with erect black hairs. Eyes 

 ovate, prominent; antennse black, flagellum pruinose; mandibles stout, thinly 

 clothed with pale hairs; thorax ovate, narrowed posteriorly, mesothorax with 

 two dorsal, longitudinal impressions, scutellum convex, metathorax roundly 

 truncate, closely and minutely punctured; wings hyaline, iridescent, marginal 

 cell large, lanceolate, first submarginal short, second elongate subquadrate, 

 receiving the first recurrent nervure a little before the middle, third quadrate, 

 receiving the second recurrent about the middle; tegulse black; legs black, 

 slender, slightly pruinose, calcaria pale; abdomen elongate-ovate, petiolate, 

 petiole black, remaining segments dark ferruginous, paler at sides. Length 

 5i mm. 



H(ib. — Nevada. One specimen. 



