Corixide. 341 
L. 8-9 mm. 
Strathglass and Braemar, 3000 ft., B. White; Pitlochry, 
Norman; Fifeshire, Power ; Forres, Norman ; Shetlands, 
Reuter ; Killin, Isle of Harris, Dale; Ireland, Haliday 
Coll. ; Esher, and Newcastle Ireland, Champion. 
(Sune, OREINOCORIXA, B. White.) 
C. cavifrons, Thoms. (alpestris, D. 5 S.).—Nearly 
black ; eyes very large and rounded, projecting far beyond 
the sides of the pronotum, sides of the head behind them 
produced on each side into a fine spine-like process, face 
clothed with yellowish hairs, impression concave in the 3, 
merely flattened in the ? ; pronotum very rastrate, narrow, 
and short, its angles subacute, with about seven paler lines, 
and a distinct central smooth carina; markings of the elytra 
very obscure and fragmentary, corium scarcely rastrate ; 
pale of the g subtriangular, with a marginated concave 
enlargement on the upper margin, anterior femora pro- 
duced, flattened and roundly dilated beneath, especially 
in the dg, intermediate tibiw and tarsi subequal in 
length. 
L. 8-9 mm. 
Ben Chearan, Strathglass, . B. White. 
(Suna. CYMATIA, For.) 
C. Bonsdorffii, Sui/b.—Brown, not rastrate, elytra with 
fragmentary pale transverse markings. Head much wider 
than the pronotum, vertex producedin front between the eyes, 
longer than the pronotum, eyes remote from the posterior 
margin which is raised, face excavated ¢, or impressed ¢, 
clothed with white hairs; pronotum without transverse 
lines, angles obtuse, side and basal margins slightly raised ; 
dise with a well-marked tubercle in front; elytra with the 
membrane distinct ; anterior pale elongate, nearly straight, 
