338 LTemiptera-FHeteroptcra. 
marked pronotal tubercle, and the rounded lateral angles ; 
the male may be further known by the narrow and shallow 
frontal impression, which is not produced between the eyes, 
but terminated above by a transverse carina; pale widely 
cultrate, broadest near the middle; pronotum with abont 
eight pale lines. 
L. 54-6 mm. 
Common and generally distributed. 
C. fossarum, Leach—Narrower than Iabricii ; prono- 
tum with six clear pale lines, its lateral angles obtuse ; 
markings of the corium divided by two dark longitudinal 
lines, those of the clavus dilated inwardly ; male with the 
facial impression shallow, not carinated but rounded 
superiorly ; palee truncate at the base, subtriangular ; vertex. 
of the head often considerably produced and pointed in 
the centre, 
L. 6 mm. 
Generally distributed. 
C. Scotti, ieb—Very like fossarum, but smaller, with 
a shorter pronotum, which has only five pale lines, although 
sometimes there is also a pale transverse spot in the basal 
angle; vertex of the head much produced and pointed 
posteriorly ; facial depression in the male scarcely marked 
except by a sort of horseshoe-shaped punctured fovea ; 
pale shortly cultrate, widest at the base, which, however, 
is not so truncate as in fossarum. 
L.5 mm. 
Morayshire, Norman; Shetlands, Reuter; Loch near 
Kirn, Argyleshire, Douglas and Scott; Isle of Mull, Dale ; 
Strathglass, B. White. 
C. prominula, Vhoms.?— Under this name Mr. 
Douglas has described (Ent. Mo. Mag. xii., p. 224) a species 
which is closely allied to Scotti, but larger and more 
obscure. I have, however, only seen a few specimens, 
kindly lent to me by Mr. Douglas, in the males of which 
the form of the pale and that of the facial impression are 
