BRUES: PARASITIC HYMEXOPTERA. 29 



typically transversely channeled or ribbed, the parapsidal furrows distinct. 

 Scutellum less coarsely sculptured, transversely rugose. Metanotum rather 

 finely, irregularly reticulated. Abdomen not visible, but its insertion on the 

 dorsal tubercle of the metanotum is indicated, and the abdomen due to its 

 elevated position is no doubt concealed in the matrix. Legs normal so far 

 as preserved, the posterior coxae transversely granulated above. Wings 

 hyaline, with fuscous stigma and veins. Subcostal cell very broad and dis- 

 tinct, but very slightly pigmented. Stigma small, elongate ovate. Radial 



Fig. 19. — Aulacus bradleyi, sp. nov. Type. 



cell long and of even width on the basal half; the second section of the radius 

 nearly as long as the third and twice the length of the first. First cubital 

 and first discoidal cells nearly equal along the base, the discoidal slightly the 

 higher; first recurrent nervure received by the second cubital cell near its base; 

 only two closed cubital cells, the second very distinctly closed; second recur- 

 rent nervure received considerably beyond the middle of the second cubital 

 cell. Median and submedian cells of equal length; subdiscoidal nervure 

 broken slightly below the middle. 



One specimen and reverse, Nos. Bl and B2 collected by Mrs. 

 Cockerell at Station 13b during 1908. Named for my friend Mr. J. 

 Chester Bradley in recognition of his extensive studies in this inter- 

 esting family. 



This is a large and beautifully preserved species which resembles 

 typical recent species except that the first recurrent nervure is inserted 

 very distinctly at the base of the second cubital cell instead of being 

 interstitial or received near the tip of the first. However, I hardly 

 think it worthy of generic rank on this single character in the absence 

 of any other preserved ones which I can discover. 



Pristaulacus rohweri, sp. nov. (Fig. 20.) 



Female. Length 7 mm. Ovipositor at least two-thirds the length of the 

 abdomen and probably longer. Black or very dark, with the abdomen except 

 the tip much lighter, reddish or brown. Legs apparently light colored. 

 Surface of head finely shagreened, with faint traces of a microscopic transverse 



