Quarterly Journal of Conchology. 325 



Mytilus adriaticus, Lam. Rather common in gravelly shell- 

 sand, in 15-22 fathoms, off the E. of Guernsey. 



MoDiOLARiA DiscoRS, L. With Myfilus barbatus, at the rocts 



and on the stalks of seaweed. 

 NuCLLA NUCLEUS, L. Gregarious and exceedingly common, 



in shell sand (22 fathoms) off St. Peter's Fort. 



Pectunculus glvcymeris, Linn. Low-water niaik at Herm, in 

 gravel, and in 18 fathom-, two miles E. of Guernsey. 



Arca lactea, L. Under stones at low-water mark of spring 

 tide , at Herm, Bordeaux Harbour, &c., dredged at a con- 

 siderable depth. 



MoN'JACi TA suBSiRiATA, Miut. Oil the spine-. at the ventral end 

 of S/^afangus, at Herm, in sand at extreme low water mark. 

 As a rule there were never more than two specimens on each 

 Spufangus, and always exactly in the same place. 



Las.iia rubra, Mrnt. All the coasts, very common ; with 

 Lit tor in a neritoides. 



Far. pallida. Gou'iut Caves, Sark. 



AxiNUS FLEXUOSUS. A/out. Valves only, in the shell sand, off 



Guernsey. 

 Cardium iubf.rculatlm, L. One spe< imen only, in mud in 



St. Peter's Port Haibour. 

 Cardium nodosum, Turt. In deep water south of Castle Cornet ; 



not abundant. 



Cardium edule, Linn. Herm. 



Cardium Norvlgicum, Speng. Herm, at extreme low water 

 mark, in sand and sai>dy mud. 



Circe minima, Mont. Shelly gravel, east of (juernsey in 15-22 f , 

 n t common. 



Venus exoleta, L. In gravel at low water maik, Herm ; abund- 

 ant and large ; also at Cobo. 



