SPAN : MARINE MOLLUSCA OF TENBY AND NEIGHBOURHOOD. 205 



Diplodonta rotundata Mont. — Not uncommon. Tenby sands. 

 Cardium echinatum L. — Common (living and dead) on the 

 sands between Saundersfoot and the Laugharne river. 

 C. exigmim Gm. — Common at Milford Haven. 

 *C. fasciatum Mont. — Milford and Caldy. 

 C. edule L. — Fine examples from the Laugharne cockle beds. 

 Some i| in. by if in. 



C. norvegicum Spengl. — Not uncommon. Tenby sands. 

 Cyprina islandica L. — Numerous. Milford Haven and between 

 Tenby and Laugharne. 



Var. crassior Jeffr. — More numerous than the type, in the same 

 localities, especially at Milford Haven. 



Astarte sulcata Da C. — Common at Milford Haven, rare at 

 Tenby. 



Var. paucicostata Jeffr. — Rare. Milford Haven. 

 Var. incrassata Broc. — Rare. Milford Haven. 

 Circe minima Mont. — Fairly common. Milford Haven. 

 Venus exoleta L. — Not common. Tenby and Milford Haven. 

 V. lincta Pult. — Not common. Milford Haven. 

 V. fasciata Da C. — Common, Milford Haven. Rare, Tenby. 

 V. verrucosa L. — Valves only. Milford Haven. 

 V. ovata Penn. — Numerous, Milford Haven. Scarce, Tenby. 

 V. gallina L. — Very plentiful in all sandy bays between Tenby and 

 Laugharne River. I have specimens if in. in breadth from the Laug- 

 harne and Pendine sands. 



Var. alba. — Common with the type. 

 Var. laminosa Mont. — With the type, rare. 

 Var. gibba Jeffr. — With the type, rare. 



Var. triangularis Jeffr. — A few with the type. Lydstep Haven. 

 Tapes virgineus L. — Fairly common. Tenby sands. 

 T. pullastra Mont. — Very common on Tenby sands ; some 

 beautifully marked, and coloured purple, yellow, and pink. 



Var. perforans Mont. — Common. Tenby, and near Saunders- 

 foot. 



T. decussatus L. — Valves only. Saundersfoot. 

 Lucinopsis undata Penn. — Common in all sandy bays between 

 Tenby and the Laugharne river. Some very large. 

 *Gastrana fragilis L.— Milford Haven. 

 Tellina balthica L. — Very plentiful between Pendine and Laug- 

 harne. Some specimens i^ in. in breadth. 



T. tenuis Da C. — Numerous in all sandy bays between Tenby and 

 the Laugharne river. 



T. fabula Gron. — Plentiful on the Laugharne and Pendine sands. 



