260 MARINE MOLLUSCS. 
Amphidesma convexum. 
(J AoE.) 
Donax complanata.—(Turton and hingston.) 
Donax trunculus.—Common. . 
Donax denticulata.——Very rare. Bigbury bay, 
(J..C.-B.) 
Donax rubra. On corallines. Rather rare. 
Boveysand, (J.C. B.) 
* Tellina lineata——Teignmouth. (Turton.) 
Tellina fabula.— Common. 
Tellina squalida.—(Turton and Kingston.) 
Tellina donacina.—Not uncommon. 
Tellina tenuis.—Common. 
Tellina crassa.—Not uncommon. 
* Psammobia costulata.—Torbay. (Turton.) 
Psammobia solidula.—Not uncommon. 
* Psammobia strigillatus.—Torbay and Cornwall. 
* Psammobia scopula——Exmouth. (Turton.) 
Psammobia ferroensis.—Common in Torbay. 
Psammobia florida ; 
Psammobia rotundata Turton and Kingston 
Astarte Danmoniz.—Not common. 
Astarte Scotica.—Not uncommon. 
Lucina flexuosa.—Obtained by Mr. T. Colley. 
* Lucina pisiformis.— Falmouth and Teignmouth. 
Lucina radula.—(Turton and Kingston.) 
* Lucina arcuata.—Falmouth and Teignmouth. 
(Turton and Montagu.) 
ie apentiera - }Turton and Kingston. 
yprina triangularis 
Cyprina islandica.—In the mud of inlets. Rare. 
Cyprina minima.—(Turton and Kingston.) 
Cytherea chione.—Common; frequently polished 
for ornaments. “ Queens.” 
Cytherea ovata.—Not uncommon in deep water 
attached to stones and corallines. 
Cytherea exoleta.—Sandy bays. 
Venus verrucosa.—Common in estuaries. 
Rare. Falmouth, 
