HORN EXPEDITION — OKTHOPTERA. 
371 
Locality. —Crown Point, Finke River. There are several specimens in the S.A. 
Museum from elsewhere, but possibly of another species, being much smaller. It 
may be mentioned of the above that the fore margin of the pronotum exhibits a 
few small raised vitUe latei’ally, the hind margin of the lobes four longer vittte, and 
tliat of the disk one raised streaklet on each side of the medial ridfce. The wings 
of this and the following species are pellucid, veins black. 
Tpitropis striatus, sp. n. Brownish; head and hind femora cinereous, all 
over mottled with blackish ; pronotum darker than other parts, dorsally not pale 
striped, rugose, fore and hind margins with numerous raised strue, lateral ridges 
not distinct; hind femora with two black bars above, inner side red near base. 
Length of body ------ 28 mm. 
„ elytra - - - - - 23 „ 
,, pronotum - - - - - 6 ,, 
Width ,, ----- 5 ,, 
Locality. —Mereenie Bluff (one female). 
TritPOpis, sp. Resembling last, reddish-brown. Pronotum with lateral 
ridges obsolete, disk with a few raised elongated tubercles behind and in the 
middle; margins not vittate. Elytra with several interrupted indistinct dark bands. 
Hind femora pale, black near base. 
Length of body - 
- 27 
mm. 
„ elytra 
- 
- 
- 
- 23 
5? 
,, pronotum - 
- 
- 
- 
- 7 
V 
Width 
- 
- 
5 
}? 
Locality .—Oodnadatta (one female). 
Tpigoniza sulcatus, sp. n. Pale tawny, scabrous. Face almost vertical, 
rugulose, occiput and cheeks almost smooth ; fastigium of vertex not distinct from 
frontal, but separated from vertex by a semi-lunar depression ; foveoles on ridge ; 
frontal ocellus obsolete, only denoted by a tumour; costa very short, suddenly 
much dilated, not extending to labrum. Pronotum broadly truncate, scabrous in 
front, impressed punctate behind, with a few remote tubercles along the hind 
margin, anteriorly narrower than the head, much dilated and angular behind, disk 
without raised medial line, distinctly depressed, slightly convex in the middle near 
last sulcus, latter very convex; fore margin subcrenulate, emarginate ; lateral 
lobes not very scabrous, broad behind, depressed in the middle, with a longitu¬ 
dinal furrow joining the last two transverse sulci, and a conical elevation above ; 
