CLASS V. INSECTA. 
225 
Genus 285. ACANTHIA. Schrank, Latr., Leach. Cimex. Linn., 
De Geer, Geoff. Salda. Fabr. Lyga:;us. Wolff, 
ntennee filiform : rostrum straight, long. 
®P- 1. Acan. muculata. Black spotted with pale colour. 
Acanthia maculata. Latr., Leach. 
"“habits grassy banks. 
Section II. AQUATICA. Leach. 
^am. Hvdhocorisi.c. Latreille. 
■dnlennte very minute, not exserted, inserted beneath the eyes. All 
the insects of this section live in the water. 
Fam. VI. Nepad*. Leach. 
Anterior tarsi uiiited with the tibiae : body depressed or linear. 
Stirps 1 . — Anus without setae : tarsi of the four posterior feet distinctly 
hiarticulate : antenna four-jointed. 
Genus 286 . NAUCORIS. Geoff., Fabr., Oliv., Latr., Leach. Ne- 
pa. Linn., De Geer. 
i our posterior feet ciliated, formed for swimming : antenna inserted 
beneath the eyes : body ovate, much depressed. 
*P- 1. Nau. cimicoides . 
Inhabits ponds. 
Stirps 2.— Anus furnished with two setae: tarsi of the four posterior 
feet one-jointed: antenna three-jointed. 
Genus 28T. NEPA. Linn., Dc Geer, Fabr., Oliv., Lam., Latr., 
j, Leach. Hepa. Geoff. 
strum perpendicularly inflected: body oval : anterior thighs thick: 
0 A our hinder feet not elongate-filiform. 
jl' b Nepacinerea. Dark grayish-black. {PI. 5. fig. 4.) 
1 ®P a cinerea. Linn., Fabr., Latr., Leach. 
11 habits ditches : is very common. 
Genus 280. RANATRA. Latr., Fabr^, Schellenberg, Leach. Nepa. 
j, Linn., De Geer, Oliv., Lam. Hepa. Geoff. 
perrected : body linear: four hinder feet very long, filiform: 
£ u Shs of anterior feet elongate. 
Ita 1 ^ Mn ‘ ^ nearls% Drayish brown. 
t , n ^ t . ra linearis. Fabr., Latr., Schell., Leach. Nepa linearis. Linn. 
la bits the ditches and ponds of Europe. It is very local in this 
Country, it may occasionally be found near London in ponds on 
ppmg Forest, Copenhagen Fields, and near Hammersmith. 
