74 MARINE SHELLS. 



Lueina borealis, L. Comparatively rare in the Channel Islands, and 

 found chiefly at Herm (Br. Con.) Common at Alderney, young only 

 (Marquand) . Young shells common at Herm, and in dredgings (Tomlin) . 

 Var. gibba, Jeff. In shallow water, Guernsey (Jeffreys). Alderney 

 (Marquand) . 



Diplodonta rotundata, Mont. Belgrave Bay, Guernsey, living in sand at 

 low water of spring tides (Gallienne). Alderney, two valves in Braye 

 Bay (Marquand). Herm, rare (Tomlin). 



Cyamium minutum, Fair. Shore of Guernsey, in small weeds (Tomlin). 

 Alderney, common between tidemarks among Claclophora rupestris and 

 other algse, gregarious (Marquand) . 



Cyprieardia lithophagella, Lam. Guernsey, 20 fms. , a young and perfect 

 specimen (Jeffreys) . A small single valve in dredged sand from Guernsey 

 (Waller). 



Cardium aeuleatum, L. Guernsey (Lukis). 



C. eehinatum, L. Belgrave Bay, Guernsey, common, mostly small (Tomlin). 

 Alderney, valves only, rare (Marquand) . 



C. tuberculatum, L. Guernsey (Lukis). Alderney, rare, valves only 

 (Marquand) . 



C. papillosum, Poll. In gravelly sand, at 15-20 fms. off Guernsey and Sark, 

 as well as thrown up on the beach at Herm (Lukis and Jeffreys) . Alder- 

 ney, single valves rare (Marquand) . Herm, a live specimen at low water 

 (Marshall). Herm, and dredged, valves only (Tomlin). Var. obliquata, 

 Montes. Guernsey, 18 fms. (Marshall). Var. laetea, Jeff. Herm, and 

 dredged (Tomlin). 



C. exiguum, Gmel. Alderney, rare (Marquand). Herm, and dredged, rare 

 (Tomlin). Var. subquadrata, Jeff. Guernsey (Jordan, Marshall). Sark 

 (Jeffreys). Herm, at low water (Marshall). 



C. faseiatum, Mont. Channel Isles (Br. Con.) Alderney, in shellsand 

 (Marquand). Dredged, rare (Tomlin). 



C. nodosum, Turt. Guernsey, gregarious in 15-20 fms. (Br. Con.) Alder- 

 ney (Marquand). Common at Herm, and dredged (Tomlin). Var. rosea, 

 Lam. Channel Isles, at low water, with the type (Marshall). Guernsey 

 (Br. Con.) Braye Bay, Alderney (Marquand). Dredged, not common 

 (Tomlin). Var. ovata, Jeff. Guernsey and Herm (Marshall). 



C. edule, L. Bordeaux Harbour, Guernsey (Tomlin). Alderney (Marquand) . 

 Var. crenulata, Lam. Herm (Lukis). 



C. minimum, Phil. Guernsey, 20 fms., one valve (Marshall). 



C. norvegleum, Speng. Common alive at Belgrade Bay, Guernsey, at 

 extreme low water, small; rare dredged (Tomlin). Alderney, frequent, 

 dead (Marquand). Var. gibba, Jeff. Guernsey and Herm (Marshall). 

 Var. rotundata, Jeff. Herm (Marshall). Var. pallida, Jeff. Guernsey 

 and Herm (Marshall) . Sark (Jeffreys) . Rare in dredgings (Tomlin) . 



Cyprina islandiea, L. Herm, valves (Tomlin). 



Astarte sulcata, Da C. One specimen dredged off Herm (Marshall) . 



A. triangularis, Mont. Guernsey, remarkably abundant (Br. Con.) May 

 be dredged in thousands off Guernsey (Marshall). Alderney, frequent in 

 shellsand (Marquand) . Rare in dredgings ; common off Jersey (Tomlin) . 



Circe minima, Mont. Alderney, worn valves (Marquand). In dredgings, 



fairly common (Tomlin). Var. triangularis, Mont. Guernsey, 18 fms. 



(Marshall). 

 Venus exoleta, L. Guernsey (Br. Con.) Alderney, frequent (Marquand). 



Herm, very common (Tomlin). 

 V. easina, L. Alderney, rare (Marquand). Herm, rare, and dredged 



(Tomlin). 



