52 Mr. G. W. Kirkaldy on Aquatic Rhynchota. 
67, Lower ends of body-stripes on 
belly not meeting ventral stripe ; 
principal stripes on quarters 
broad ; legs not or hardly striped 
below knees and hocks ...... antiquorum, H. Smith. 
(Damaraland.) 
6* Quarters with only a few abbreviated 
stripes below the long stripe that 
runs to the root of the tail; body- 
stripes stopping short above the 
belly as in L. zebra, E. quagga, and 
E. Grevyi; legs without stripes, 
except sometimes on the knees and 
hocks; tail usually without lateral 
Epots OF StT1Pes aeeayr se isis sw is. © «i Burchelli, Gray (sensu 
stricto). (British 
Bechuanaland.) 
6°, Ground-colour yellowish red or chest- 
nut, with the exception of the belly 
and legs, which are pale and without 
stripes asin 2. Burchelli ; body-stripes 
showing a strong tendency to die away 
on the posterior part of the flanks, 
when reaching the quarters broken up 
into Spots .',< sc Reem em se ieee quagga,Gmelin. (Cape 
Colony, south of 
Orange River.) 
VI.—Aquatic Rhynchota: Descriptions and Notes.—No. I. 
By Greorce W. KirKaLpy. 
Fam. Corixide. 
DIAPREPOCORIS, gen. nov. 
Oorixinarum genus, scutelle magno parapleurisque minutis in- 
structis ; ovalis, depressus ; capite magno, basi supra thoracem 
producto. Pronoto transversissimo, non rastrato. Scutello hemi- 
elytrisque non rastratis. Rostro unisegmentato. Palis bi- 
segmentatis. Pedibus intermediis posticisque Corive, Geoff., 
similibus. 
Oval, depressed, dull; head large (very convex at the 
vertex), overlapping the very transverse non-rastrate pro- 
notum. Scutellum very large, not rastrate; parapleura 
minute. Hemvzelytra not rastrate. 
Rostrum unisegmentate. Pale bisegmentate. 
Intermediate and posterior pedes as in Corixa, Geoff. 
This utterly distinct genus is readily distinguished by the 
very transverse pronotum and by the large scutellum; the 
parapleura and the unisegmentate rostrum will further sepa- 
