90 THE CANADIAN ENTOMOLOGIST. 



broad testaceous sutural stripe, a testaceous or pallid patch beyond the 

 middle, a cinereous patch midway between it and the base, and the outer 

 third mostly pellucid with fuscous veins and more or less necked with 

 fuscous ; wings pale citron on basal half, except where the humeral vitta 

 runs in nearly to the base, blackish fuliginous beyond except for a pallid 

 sutural stripe almost invariably present, the apex of the two uppermost 

 lobes often more or less vitreous, generally not so dark as the rest of the 

 outer half of the wing, the dark portion following the outer border to the 

 anal angle. Hind femora cinereo-testaceous, the inferior carina and 

 sulcus luteous, but otherwise often twice obliquely striped rather narrowly 

 with fuscous ; hind tibiae glaucous or iuteo-glaucous, the spines black- 

 tipped. 



Length of body, £ : 9 mm.. $ 28.5 mm.; tegmina, <£ 20.5 mm., 

 $ 25 mm. 



5 6,3 ? • Yosemite Valley, Cal., Aug. 1 1 ; between Nevada Falls 

 and Cloud's Rest, Yosemite Valley, Cal., Aug. 1 2 ; A. P. Morse. 



This species is most nearly related to H. obscurus Scudd., differing 

 from it chiefly by the structure of the surface of the pronotal disc, the 

 less prominent median carina, the narrower tegmina, the presence of a 

 sutural stripe on tegmina and wings, and the colour of the hind tibiae. 



Hippiscus validus, sp. nov. — Fusco-griseous, rather robust and some- 

 what below the medium size. Head rather large, more or less cinereous, 

 rather broad and not very tumid above, the summit subrugulose, 

 carinulate throughout ; fastigium of vertex moderately deep, polygonal, 

 with sharp but not very high walls, the frontal fastigium deeply impressed, 

 constricted anteriorly, margined in front and behind as distinctly as at 

 the sides ; frontal costa moderately broad, strongly constricted above, 

 slightly narrowed below the ocellus, somewhat sulcate or at least 

 depressed at the ocellus ; antennae shorter than the head and pronotum, 

 apically blunt and in no way attenuate in the female, castaneous, more or 

 less infuscated apically. Pronotum expanding considerably on the 

 metazona, which is nearly plane but rugulose, the anterior portion with- 

 out signs of transverse plications, the process rectangulate with crenulate 

 margin, the median carina slight, not altogether obliterated between the 

 sulci, the lateral canthi sharp and distinct on the metazona, obscure or 

 wanting on the prozona excepting on extreme front, the posterior margin 

 of the lateral lobes vertical and not retroarcuate. Tegmina broad and 

 rather short, but little surpassing the abdomen, griseo-cinereous, with 



