158 [January 



more or less blackish. Thorax fuscous, very densely punctured, clothed 

 with a short, pale yellowish pubescence, becoming quite white on the 

 metathorax; anterior margin of the prothorax, a subcuneiform mark on 

 each lateral margin of the mesothorax, a large subtriangular mark on 

 each side of the pleura anteriorly, most of the tegulae, anterior margin 

 of the scutellum dilated on each side, the postscutellum, and the dorsal 

 surface enclosing a large subrhomboidal fuscous mark which occupies 

 most of the disk, all more or less bright yellow; pleura and metathorax 

 covered with a very short, fine silvery-sericeous pile, more obvious in 

 certain lights. Wings subhyaline, the costal margin broadly stained 

 with yelluwish-fuscous ; the apical margins dusky, especially the mar- 

 ginal cell. Lees fusco-ferruffinous : the anterior femora beneath, their 

 tibiae, the intermediate femora beneath at tip, their tibiae, as well as the 

 posterior tibiae, yellow; all the tarsi yellowish-ferruginous. Abdomen 

 fuscous, covered with a very short, dull yellowish pubescence; the 

 petiole or basal segment nearly as long as the head and thorax, slen- 

 der and blackish at base, gradually dilated to the tip which is truncate 

 and broadly margined above and beneath with yellowish, the anterior 

 middle of the yellow margin deeply indented above, and about the 

 dorsal middle of this segment there is a large dull ferruginous stain ; 

 remaining segments subglobose, the second segment very large, with a 

 yellowish band across the middle and another on the apical margin ; 

 apical segments fusco-ferruginous ; beneath pale fusco-ferruginous, the 

 second segment with a broad yellowish band. Length 7 lines; expanse 

 of wings lOj lines. 



Col I <ft !<>n. — Dr. J. (lundlach. One specimen. 



Eumenes ferruginea, n. sp. 



Pale ferruginous : orbits, clypeus, anterior margin of prothorax and scutellum, 

 postscutellum, spot beneath the wings, legs in part, and apex of first and second 

 segments of abdomen, obscurely yellowish; middle of antennae blackish; wings 

 pale yellowish-hyaline. 



Male. — Uniformly pale ferruginous, slightly pubescent; orbits of the 

 eyes, filling up the deep sinus in front, and the clypeus, obscure pale 

 yellowish ; clypeus elongate, deeply notched at tip, and silvery in cer- 

 tain lights ; vertex and occiput fuscous ; antenna) longer than the head 

 and thorax, ferruginous, more or less blackish between the base and 

 tip, the latter thickened and then suddenly tapering to an acute poiut, 

 the terminal joint very slightly curved at tip. Thorax very closely 

 punctured, somewhat hoary in certain lights ; anterior margin of the 

 prothorax, a spot beneath the tegulae, a subobsolete spot on each side 

 of the mesothorax, anterior margin of the scutellum dilated on each 



