262 CHAS. A, BLAKE. 



hairs ; ventral segments same as above. Apex armed with two long, acute, 

 reburved spines. Length 5 lines; expanse of wings 8 lines. 



Hah. — Texas. Mr. Belfrage. 



9. Agama Tapajos, n. sp. 



Male. — Uniform dark honey-yellow; thinly clothed with long whitish hair^i, 

 head subquadrate, as wide as the thorax, very finely punctured, shining, the 

 space behind the ocelli deeply impressed, eyes large, round and i)rominent; 

 antennae brownish, pale yellow at base; tijis of the mandibles black. Thorax 

 densely punctured; mesothorax with four longitudinal, impressed lines; 

 metathorax very coarsely reticulated, roundly truncate; tegulse small. Wings 

 hyaline, marginal cell elongate, rounded to tip, first submarginal long, narrow, 

 second obliquely subquadrate, pointed towards the base, and receiving the first 

 recurrent nervure a little before the middle, third nearly obsolete, narrowed 

 beneath, so that its apical nervure is opposite to and joins the second recurrent; 

 stigma nearly black, the apical half lying within the marginal cell ; a faint 

 fuscous cloud in the discoidal region, nervures fuscous. Legs thinly clothed 

 with pale hairs, coxae and trochanters pale yellow. Abdomen elongate-ovate, 

 petiole closely punctured, second segment shining, very finely and remotely 

 punctured, apical margins of the segments fringed with pale white pubescence, 

 ventral segments same as above, apex armed with two acute, recurved spines. 

 Length 5 — b\ lines, expanse of wings 9 lines. 



Hah. — Texas. Mr. Belfrage. 



Closely allied to A. clara, Cresson, but may be distinguished by the 

 greater length of the marginal cell, and the absence of the apical fus- 

 cous streaks in the wings. 



10. Agama triangularis, n. sp. 



Male. — Uniform dark honey-yellow; head small, subtriangular, closely punc- 

 tured, eyes large, prominent; tips of mandibles black ; antennaj flavofuscous. «. 

 Thorax ovate, narrowed posteriorly, mesothorax with two longitudinal im- 

 pressed lines, coarsely punctured; scutellum rounded, finely punctured; 

 metathorax coarsely reticulate. Wings yellowish-hyaline, marginal cell ovate- 

 lanceolate, first submarginal long and narrow, second subtriangular, its basal 

 nervure arcuate, receiving the first recurrent near the base; stigma small, 

 fuscous. Legs rufo-fuscous about the joints, thinly clothed with scattered pale 

 hairs. Abdomen elongate-ovate, petiolate, basal segment subpyriforra, second 

 segment shining, minutely and remotely punctured, bearing a few scattered 

 long pale hairs, remaining segments fringed with long pale pubescence, apex 

 fuscous. Length 4* lines, expanse of wings S lines. 



Hah. — Nevada. Collection of Mr. Norton. 



This species is easily recognised by the triangular head. 



11. Agama concolor. 



Mutilla concolor, Cresson, Proc. Ent. Soc. Phil. Vol. IV, p. 4.>0. 



ikaZe.— Iloney-yellovv; apex of abdomen clothed with whitish pubescence, 

 wings hyaline, eyes round. Length 4i — 5 lines, expanse of of wings 8 — 8i 

 lines. 



Hah. — Colorado. 



