27. Oe- belfragii, Stal, Recens. Orth., 1, 129. 
As this species is described by Stal as new and as coming from 
Illinois, 1 give here his description in full for the benefit of Illinois 
naturalists : 
“ Fuscous-brown ; the head variegated with cinereous ; carina of the 
head and of the posterior femora, also the posterior margin of the pro- 
nOtum sprinkled with black ; antennae annulated with fuscous. Pro- 
notum with the posterior margin acute-angled ; crest somewhat prom- 
inent, profoundly incised between the lobes. Elytra pale grayish- 
brown, somewhat translucent toward the apex, where they are also 
clouded with fuscous. Wings pale yellow at base, with a broad black 
band across the disk arcuate and narrowed internally ; apex trans- 
parent, with fuscous veins. Anterior legs sub-annulated with fuscous 5 
posterior femora with the fascia and apex black, the inferior margin 
and exterior side hairy; posterior tibiae pale yellowish, fuscous at the 
base, spine tipped with black, hairy. Female, length, 25 millimeters. 
Illinois. 
u In the structure of the head and pronotum similar to Oe. Carolina , 
but differs in being smaller, the elytra and wings less ample, and the 
former less densely reticulated ; the pronotum behind the middle being 
sub-alutaceous : and in the color of the wings. The posterior angle of 
the lateral lobe of the pronotum rounded.” 
I am unacquainted with this species, and think the locality given is 
a mistake, or that it is a variety of some of the trans-Mississippi 
species which occasionally visit Illinois. 
28. Mestobregma? cincta, Thos 
Oedipoda cincta, Thos., Proc. Acad. Nat. Sci., Phila., 1870, 80. 
I have taken a few specimens of this species in southern Illinois, but 
it is by no means common. I place it in this genus with doubt. 
29. Hippiscus corallipes, Hald 
Oedipoda corallipes, Hald , Stansb. Rep. Salt Lake, PI. X,Fig. 2. 
Hippiscus corallipes, Scudd. Bull. Geol. Surv. Terr., 1876, II, 264. 
Oedipoda rugosa, Scudd. Bost. Jour. Nat. Hist., VII, 469. 
Hippiscus rugosus, Scudd. Geol. Surv. N. Ilamp., I, 377. 
Oedipoda paradoxa, Thos. Geol. Surv. Terr. 1871, 457. 
(Hippiscus paradoxus.) 
Oedipoda haidemanii, Scudd. Geol Surv., Neb., 251. 
Hippiscus haidemanii, Scudd. Bull. Geol. Surv. Terr., 1876, 
II, 264. 
A close study of these forms for a number of years has satisfied me 
that they are all varieties <,f one species The specimens found in 
Illinois are chiefly of the varitey rugosus ; but 1 find some which approach 
very near to paradoxus , with red or partly red wings. 
