72 MARINE SHELLS. 



BRACHIOPODA. 



Argiope deeollata, Chem. In gravelly shellsand at 18 fms. two miles east 



of Guernsey, rare (Br. Con.) Off Fermain Bay, 16 fms. (Marshall). 

 A. eistellula, Wood. Guernsey (Lukis and Jeffreys). 

 A. eapsula, Jeff. Guernsey (Lukis). 



CONCHIFERA. 



Anomia ephippium, L. Guernsey and Herm, common on shore and 



dredged (Tomlin). Alderney, common (Marquand). 

 A. patellif Oralis, L. Guernsey, dredged (Tomlin). Alderney, valves only 



(Marquand) . 

 Ostrea edulis, L. Guernsey, dredged occasionally ; at Bordeaux Harbour 



there appears to be traces of oyster culture (Tomlin) . Alderney, valves 



cast up (Marquand) . 

 Peeten pusio, L. On shore in Guernsey and Herm, . as well as dredged, 



but sparingly (Tomlin). Alderney, frequent on the shell beach, rare in 



shellsand (Marquand). 

 P. varius, L. Common on shores of Guernsey and Herm, and dredged, 



always small (Tomlin). Alderney, alive between tide -marks; dead 



valves frequent (Marquand) . 

 P. opereularis, L. Common dredged ; always small and poorly coloured 



(Tomlin). Alderney (Marquand). Var. lineata, Da C. Bare, dredged 



(Tomlin). Var. elongata, Jeff. Guernsey, 20 fms. (Marshall). Var. 



audouinii, Payr. Guernsey, rare (Marshall). 

 P. tigrinus, Mull. Channel Isles (Br. Con.) Dredged between Guernsey 



and Herm, valves only (Tomlin) . 

 P. Testse, Biv. Guernsey (Jeffreys). 

 P. maximus, L. Channel Islands (Marshall). Alderney, a few large valves 



(Marquand) . Common dredged, young (Tomlin) . 

 Lima SUbaurieulata, Mont. Alderney, frequent in shellsand (Marquand). 



Dredged, rare (Tomlin). 

 L. LoseOHlbii, Sow. Dredged between Guernsey and Herm, rare (Tomlin). 

 L. hians, Gmel. Var. tenera, Turt. Bordeaux Harbour, Guernsey, very 



common in 1900, mostly young ones (Tomlin). Alderney, two valves 



(Marquand). Common at Herm at very low water, gregarious under 



large stones (Jeffreys, Tomlin). 

 Mytilus edulis, L. Alderney, and probably all the other islands (Marquand) . 



Var. ungulata, L. Channel Isles (Br. Con.) 

 M. modiolus, L. Alderney, young valves, rare (Marquand). Var. cylindrical. 



Marsh. Guernsey, 18-20 fms. (Marshall). 

 M. barbatus, L. Guernsey and Herm, not uncommon on the shore 



(Tomlin). Alderney, common at low-water mark (Marquand). Var. 



depressa, Marsh. Gouliot Caves, Sark (Jeffreys). Herm (Marshall). 

 M. adriatiCUS, Lam. Guernsey, dredged, common (Tomlin). Alderney 



shell-beach, rare (Marquand). Var. ovalis, Sow. Guernsey, of small 



size (Jeffreys). 

 M. phaseolinus, Phil. Channel Isles (Br. Con.) Alderney, rare (Mar- 

 quand) . 

 Modiolaria marmorata, Forb. Common in Ascidians dredged (Tomlin). 

 M. COStulata, Riss. Alderney, rare in shellsand, alive in rock-pools, Clanque 



Bay (Marquand). Herm (MacCulloch) . 

 M. diSCOPS, L. Guernsey and Herm, common (Tomlin). Alderney, plenti- 

 ful in tufts of Corallina, &c. (Marquand). 



