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



its two small yellow dots ; its black dull roughened antennae, with the 

 sutures very distinct; by the black supra-clypeal region, and the black 

 edged clypeus. 



Gorytes simillimus. Smith. 



G. simillimus. Smith, Cat. Hym. Br. Mu3, iv. p. 367. (1S56). 

 " Nova Scotia," (Smith). 



Gorytes canaliculars, n. sp. 



9. Body unusually short and stout; head black; vertex elevated 

 more than usual; finely punctured; orbits broadly yellow, clypeus 

 black, yellow on the sides, labrum yellow; mandibles yellow; antennae 

 black above, yellow beneath. Protkorax yellow, tubercles yellow, with 

 no spots behind ; two distinct submesial impressions on the front edge 

 of meso-scutnm ; scutellum with the usual yellow band. Propodeum 

 unusually rough and coarsely striated ; enclosure very distinctly trian- 

 gular, with four unequal irregular coarse rugae on each side of the 

 distinct mesial furrow; on the flank and diverging from the middle, are 

 large unequal, close set rugae, with smaller transverse ruga? between ; 

 posteriorly towards the insertion of the abdomen is a net-work of 

 unusually large deep fossa?. Wings clear, nervures fuscous, pale tes- 

 taceous on the costa, pterostigma pale, 3d costal darker ; tegula? testa- 

 ceous, femora black, tipped with fuscous, fore and middle pairs yellow 

 beneath, fore tibia? pale yellow, black beneath ; hind tibia? fuscous, 

 with a dark brown spot within at tip; fore tarsi yellow, with broad 

 setose hairs on the joints ; hind tarsi fuscous, darker towards the cuds 

 of the joints. Abdomen shorter and broader than usual, a yellow band 

 on the base excavated in front ; 2d band very irregular on the edge ; 

 3d and 4th slightly interrupted on the mesial line ; tip black, quad- 

 rangular, sides squarer than usual, surface convex, with a few coarse 



punctures. 



Length, .36 inch. 



Unusually short and broad, differing from G. atricomis by its an- 

 tenna? being yellow beneath, by the yellow mandibles, the very coarse 

 irregularly striated propodeum, with the deep mesial furrow, without 

 any smooth yellow spots on the flanks ; its testaceous costa, pale yellow 

 legs, yellow orbits, where in the succeeding species they are entirely 

 black, and by the unusually coarsely punctate quadrangular tip. 



Gorytes atricornis. Pack. 



Odynerusf atricornis, Harr., Cat. Ins. Mass. p. G8. (1835). 

 % and $ . Body black, head smooth and polished, front black, orbits 

 yellow, supra-clypeal region black, clypeus yellow, sometimes black, 





