234 CHAS. A. BLAKE. 



ous pubescence; under surface coarsely punctured, ventral segments fringed 

 with black pubescence Length 8 lines. 



Hah. — Texas. Belfrage. 



This species resembles M. orcus. Cresson, but may be readily distiu- 

 guished by the large subquadrate head, the shorter thorax, and mau- 

 dibles being toothed before the tip. 



23. Mutilla Zelaya, n. sp. 



Male. — Black, head rounded, as wide as the thorax, finely punctured, thinly 

 clothed with erect black pubescence, eyes round, polished, antennae black. 

 Thorax ovate, closely punctured, clothed with erect black hairs, nietathorax 

 roundly truncate, closely reticulate. Tegulse small, polished. Wings I'uscous, 

 marginal cell obliquely subquadrate, truncate at tip, first submarginal large, 

 second subtriangular, wide beneath, its basal and apical nervures sinuate, re- 

 ceiving the first recurrent near the base, third subpentagonal, narrowed be- 

 neath. Legs black, thinly clothed with black hairs. Abdomen elongate ovate, 

 petiolate, petiole pyriform, closely punctured, having a small ventral tubercle, 

 second segment shining, closely i3unctured, thinly clothed with erect black 

 hairs, the apical margin and following segments clothed with long coarse 

 orange-yellow pubescence; underside shining black. Length 4 lines, expaucse 

 of wings 7 lines. 

 i/ai.— Texas. 



24. Mutilla Comanche, n. sp. 



Male. — Black, head not as wide as the thorax, rounded, clothed with long, 

 coarse, dark ferruginous pubescence, scape of antennae black, flagellum fuligin- 

 ous, mandibles black; eyes round, prominent. Thorax elongate quadrate, pro- 

 and mesothorax thinly clothed with black hairs. Wings ample, fuliginous, 

 marginal cell short, abruptly truncate at tip; three distinct submarginal cells, 

 the first a little longer than the marginal, the second sub-triangular, having a 

 subhyaline streak through its entire length, and receiving the first recurrent 

 nervure one third before the middle ; the third extending beyond the marginal ; 

 tegulse large. Legs black, clothed with black hairs; calcaria black, long, ser- 

 rated interiorly. Abdomen ovate, basal segment closely punctured, clothed 

 with coarse black hairs: second segment finely punctured, shining, thinly clothed 

 with black hairs; apical margin, and following segments, thickly clothed with 

 1 mg, dark ferruginous pubescence: margins of the second and third ventral 

 segments fringed as above, lateral cariute distinct. Length 'J lines, expanse of 

 WiUgs 18 lines. 



Female. — Black, head subquadrate, posterior angles rounded, not as wide as 

 the thorax, reticulated, clothed with brown-black pubescence; scape of anten- 

 nre black, rugulose, flagellum dark fuscous; eyes round, i)rominent; cheeks 

 below the eyes closely punctured. Tliorax short, narrowed behind, coarsely 

 reticulated, clothed the same as the head, the mesi thorax has on each s de 

 a strong carina, which terminates at the toj) in a small obtuse tooth; nieta- 

 thorax abruptly truncate, the sides closely reticulated, and bearing a shining 

 black tubercle on each side. Legs robust, black, clothed with long black hairs. 

 Abdomen ovate, basal segment coarsely reticulated, clothed with long scattered 

 black hairs; second segment closely punctured, basal and apical margins 

 clothed with black, disc with pale brown pubescence; third segment clothed 

 with brownish black, the remaining segments with ferruginous ; under side of 



