1869.1 375 [Cresson. 



broad beneath, clypeus, mandibles except tips, and palpi, pale yellow; 

 clypeus angular on each side, and obtusely pointed at tip ; mandibles 

 long and slender ; antennae black, strongly convolute, the fifth, sixth 

 and seventh joints snow-white ; thorax black, minutely punctured ; 

 angular mark on each side of prothorax, two spots on posterior 

 mai'gin (which is angular), central spot on mesothorax, round spot on 

 scutellum, indented behind, transverse spot on postscutellum, also 

 indented behind, subtriangular spot behind posterior wing, sides of 

 metathorax, divided by the black suture, two large marks on each 

 side of pleura placed obliquely, the upper one the smaller and 

 rounded, and the tegulse, pale lemon yellow; metathorax subde- 

 pressed, covered with a short, silvery sericeous pile, the upper surface 

 with dense transverse striae, wings long, hyaline, faintly dusky at 

 apex, nervures black-; wing-cells shaped as usual; legs long and slen- 

 der, especially the posterior pair, pale yellow; line on all the coxae 

 behind, base of posterior pair in front, trochanters above, line on all 

 the femora above, tibiae except tips, four anterior tarsi, extreme base 

 of second, third and fourth joints of posterior pair, and terminal joint 

 except base, black ; tibial spurs fuscous ; posterior legs of a brighter 

 yellow than the others ; abdomen ovate, convex, shining, lemon yel- 

 low, each segment with a black band at base, very broad on the two 

 basal segments, and gradually narrower and paler on apical segments ; 

 apical margin of the segments, except the last, with a fuscous band, 

 angularly produced anteriorly on the disk. Length six and one half 

 lines. 



Hab. — Orizaba. (Prof. F. Sumichrast. Coll. Am. Ent. Soc.) One 

 ? specimen. 



Species not recognized. 



30. Pompilus regalis Smith, Journal of Entomology, i, p. 396. 



Cresson, Trans. Am. Ent. Soc, i, p. 94. 

 Hab. — " Mexico." 



31. Pompilus apiculatus Smith, Brit. Mus. Cat. Hym., iii, p. 



157. Cresson, ibid., p. 103. 

 Hab. — "Vera Cruz." 



32. Priocnemis velOX Smith, Journal of Entomology, i, p. 



398. Cresson, ibid, p. 121. 

 Hab. — " Oajaca ." 



33. Agenia Montezuma Smith, Journal of Entomology, i, p. 



397. Cresson, ibid, p. 132. 

 Hab. — " Oajaca." 



