426 Dr. A. S. Packard, Jr's Revision of the 



dish, with yellow and black stripes, basaT joint almost entirely yellow, 

 black beneath, reddish above in the middle, but yellowish on the sides; 

 edge of 2d ring broadly ringed with yellow ; behind, a broad black 

 ring on the front edge of the 3d ring, the same on the succeeding 

 rings; tip broad and large, channeled slightly, yellowish red. 



Length, .40 — .50 inch. 



Illinois, Louisiana, (Coll. Ent. Soc. Phil.). 



Its gay colors, being banded with yellow and black, the latter of 

 which appear more distinctly when the body is stretched out, the yel- 

 low anterior coxte and femora, the smooth enclosure of the propodeum 

 with the large yellow spots bordered on each side, but within most 

 broadly with red, the pale antennae and gaily colored thorax will en- 

 able it to be readily distinguished. Both sexes are much alike. A S 

 from Illinois has the abdomen behind the 2d ring black, with yellow 

 stripes. 



Gorytes fulvipennis. Smith. 



G.fulvipennis, Smith, Cat. Hym. Br. Mus. iv. p. 367. (1856). 



Canada, (Coll. Ent. Soc. Phil.). 



Gorytes modestus, Cress. 



G. vwdcstus, Cress., Proe. iv, p. 473. (1865). 

 Colorado Territory, (Coll. Ent. Soc. Phil.). 



Gorytes ephippiatus. n. sp. 



% . Head and the whole body deep black, smooth and highly po- 

 lished ; orbits towards the clypeus, supra-clypeal piece and clypeus 

 honey yellow, the front edge of latter narrowly edged with black ; 

 labruui exserted, short and broad, covered with long setas; mandibles 

 black ; antennoe yellow, with a black stripe above, flagellum black, 

 thorax brown, with a yellow stripe on the prothorax, and on the scu- 

 tellum ; a large yellow sub-triangular spot behind the small ocellated 

 tubercle; enclosure smooth, striated posteriorly at base, though most 

 thickly so on the flanks ; a narrow, oval, lanceolate mesial furrow, on 

 each side of which are large ridges, becoming obsolete posteriorly; on 

 the outer side are minute short ridges which give a pitted, beaded ap- 

 pearance to the surfice ; a large ovate elliptical yellow spot on each 

 side of the propodeum. Teguloe testaceous anteriorly, dark rufous 

 posteriorly; nervures testaceous, darker on the costal edge; 3d costal 

 cell dark-brown, contrasting unusually with the scarcely clouded outer 

 edge of the wing. Femora black, broadly tipped with yellow, extend- 

 ing inwards beneath, the yellow patch is broadest on the middle pair ; 

 two fore femora yellow with a black ovate spot behind ; hind tibijfi 



