298 GINGLYMACONCHA. VENERIDZ. 
Inhabits the European, Mediterranean and Adriatic seas. 
It is common on most of our coasts; Torbay; Falmouth ; 
Plymouth Sound ; Milton Sands; South Wales; Cork, Dublin 
and Bantry Bays. 
2. Donax TRUNCULUS. 
Shells transversely elongated, their hinder aspect very short, 
their margin denticulated ; their epidermis chestnut or olive- 
green; their inside violet-coloured. Length an inch and a 
half; height half an inch. 
Donax Trunculus, Lister, Anim. Angl. t. v. f. 35; Conch. 
t. ceelxvi. f. 217; Linn. Faun. Suec. 2142 ; Syst. Nat. xii. 
1126; Penn. Brit. Zool. iv. 93. t. lv. f. 45; Chem. Conch. 
vi. t. xxvi. f. 253, 254; Pult. Cat. Dorset. 32: 1 vee 
Wood, Trans. Linn. Soc. vi. t. xvi. f. 13-16 ; Donov. Brit. 
Shells, t. xxix. f. 1; Mont. Test. Brit. 103; M. & R. Trans. 
Linn. Soc. vii. 75; Flem. Edinb. Encyel. vii. 74; Lam. 
Hist. Nat. des Anim. sans Vert. v. 551; Dill. Desc. Cat. 
150; Turt. Conch. Dict. 41. 
This species 1s common in the European, Mediterranean and 
Adriatic seas (I have seen specimens from Senegal) ; it is 
found common on the following coasts; Dawlish, Torbay ; 
Causand, Whitesand and Falmouth Bays, Cornwall; Cork, 
Bantry, Yaul and Dingle Bays, Ireland; Friths of Forth and 
Clyde ; on Milton Sands and Sandersfoot. 
STIRPS IV. 
Shells transverse, equivalve, with the valves shut ; umbones 
situated behind the middle of the shell ; no lamella before and 
behind the cardinal teeth. 
Genus 43. Capsa. 
The shells transverse, inequilateral, the valves approximating 
and shut; the hinge with two teeth in the right valve, one bi- 
fid in the left valve; the lateral lainellee none. 
