BEMIPTERA HOMOPTERA FULGORINA. 2i)3 



OLIARITES gen. nov. (Oliarus). 



This name is proposed for an insect t'onnerly placed by me in Mne- 

 mosyne, one of the Dictyopharida, but which a renewed study seems to 

 show to belong in the vicinity of Oliarus, among the Cixiida. The head 

 was apparently not more than half as broad as the thorax, perhaps much 

 narrowiT. The thorax was transverse, equal, arcuate, into which the pretty 

 large subtriangular scutellum with its convex base fitted. The tegmina 

 were wholly diaphanous, very greatly surpassing the abdomen, enlarging 

 apicallv with slight, fine, but smooth and in no respect arenaceous veins, all 

 tin' longitudinal veins connected near the middle of the wing, but not in a 

 line, with the cross-veins, at or beyond which each of them forked to a 

 greater or less extent, the forks, at least in the upper half of the wing, 

 upcnrved on approaching the margin, where they are again forked and 

 united by many cross-veins, so that the wing -becomes weakly reticulate 

 shortly before the margin. 



OLIARITES TERRENTULA. 



IM. 7, Fig. 17. 

 Mnemosyne terrentuta Scudd., Bull. U. S. Geol. Geogr. Surv. Terr., IV, 773 (1878). 



A single specimen is preserved, with an indistinct body, broken in 

 i'ront, and the greater part of one of the tegmina. The body is moderately 

 broad ovate, the tip of the abdomen rounded and slightly produced. The 

 tegmina are regularly enlarged toward the apex and rounded at the ex- 

 tremity, not at all truncate; the interior branch of the radial vein forks near 

 the middle of the wing, and just beyond the first snbapical transverse 

 vein ; both its branches fork before they have passed more than half-way to 

 the marginal row of elongate cells. 



Fstimated len-th of body, G.f>"""; breadth of same, 2.25 n " n ; length of 

 tegmina, 7""": breadth of same, 2.25""" ; their extent beyond the-abdomen, 



O omm 



Green K'iver, Wyoming One specimen, No. 3 1 1 ' (F. C. A. Richardson). 



!'!.( HMSSANTIA gen. nov. (Florissant, nom. loc.). 



I'his interesting genus app-ars to lie allied to Cladodiptera, with very 

 nearlv tlie same general neiiration of the tegmina, hut differs- Strikingly 

 from it in the much narrower head. The luv.d is oid\ half as broad as the 



