146 Llemiptera-fleteroptera. 
Under stones, etc., below high-water mark; Polperro, 
Cornwall, Ff’. Smith; Mousehold, near Penzance, under 
stones and under a star-fish, Marquand; Lyme Regis, 
W. R. Kilbourne; Plymouth, J. H. Keys. Mr. Keys made 
some interesting observations on a specimen which he had 
in confinement for some days; he found that it would not 
live under water, and when placed on the surface attempted 
no movemeut of its own; he gave it a piece of a submarine 
worm, and says he “had the satisfaction of observing the 
bug in close proximity, rubbing or cleansing its proboscis 
with great gusto, suggesting the idea that it had just 
enjoyed its morning meal.” 
MESOVELIINA. 
MESOVELIA, Mus. § Rey. 
Dimorphous, elongate. Head with the eyes large, almost 
touching the pronotum ; ocellion the vertex ; face elongate ; 
antenniferous tubercles largely developed, situated rather 
on the underside of the head; antenne slender, first joint 
long and slightly curved, about equal to the third in length, 
second slightly shorter, fourth about equal to the third; 
rostrum reaching to the intermediate cox; pronotum 
subtrapezoidal, the posterior angles bluntly produced, the 
base sinuate; scutellum large, produced and somewhat 
square at the apex ; elytra with the corium coriaceous and 
strongly nerved ; clavussubmembranous ; membrane want- 
ing in the brachypterous form; abdomen with two long 
genital segments in the d, visible above, one short one in 
the 9; legs long and slender; coxze contiguous, or nearly 
so; tarsi three-jointed ; claws apical. 
There is only one known Huropean species of the genus. 
M. furcata, MWuls. & Rey.—Hlongate. Head testaceous, 
with the central lobe of the face, a line on the forehead, 
and two round spots on each side black; pronotum tes- 
