72 FLemiptera-Fleteroptera. 
pronotum trapezoidal, anterior margin straight, about 
half the length of the base, sides very slightly rounded, 
base nearly straight, disc raised posteriorly, with a long 
well-defined dorsal carina; scutellum with a smooth pale 
strongly raised central carina; elytra with the sides gradually 
rounded, the apical margin of the corium very lone, some- 
times narrowly brown ; there is also a longitudinal dark 
central line near the apex of the corium; membrane narrower 
than in the other species ; legs short, apical joint of the 
tarsi black, : 
L. 4 mm. 
Generally distributed in the South of England ; Cardiff, 
Billups ; Freshwater Bay, Pembrokeshire, Marshall. 
There is a curious variety of this species which has the 
pronotum more convex, much wider and more raised 
posteriorly, and the elytra shorter and wider, the sides more 
rounded and the apical margin of the corium shorter. 
Another variety, somewhat intermediate between this and 
the typical form, but smaller than either, has been taken 
by Mr. EH. A. Butler, on Solanwm duleamara. 
C. melanocephalus, /ie!.—Smaller and darker than 
the preceding, the head, thorax and scutellum being dark 
brown, and the head in some specimens nearly black ; the 
head is distinctly shorter, and the antenniferous tubercles 
blunter ; the scutellum has no keel, and the keel of the pro- 
notum is shorter ; the elytra are ochreous, irregularly and 
largely punctnred throughout, with the apical margin of 
the corium brown; membrane hyaline; abdomen brown ; 
legs reddish ochreous, apical joint of the tarsi black, 
L. 34 mm. 
Chobham and Woking, not rarely ; Esher, Caterham, 
Champion ; Norfolk, Edwards, 
C. claviculus, /all.—Smaller than melanocephalus and 
much paler in colour; the head shorter and broader, the 
second joint of the antennse rather shorter than the third ; 
the pronotum wider posteriorly in proportion to its length ; 
