MAKINE SHELLS. 85 



PleuPOtoma COStata, Bon. Alderney shell beach, and in shellsand 

 (Marquand). In dredgings, dead only (Tomlin). 



P. nebula, Mont. In dredgings between Guernsey and Herm, dead, rare 

 (Tomlin). Alderney, two young specimens in shellsand (Marquand). 

 Var. elongata, Jeff. Guernsey, in deep water (Hanley and Jeffreys) . On 

 coralline ground, alive, very rare (Tomlin) . 



P. laevigata, Phil. Belgrave Bay, Guernsey (G-allienne) . Var. minor, Jeff. 

 Channel Isles, coralline zone (Br. Con.) 



P. septangulapis, Mont. Guernsey (Jeffreys). Alderney, one specimen on 

 the shell beach (Marquand). Dredged on coralline ground, not uncom- 

 mon (Tomlin). 



P. rufa, Mont. Guernsey and Herm, dead shells common; rare alive on 

 shore and dredged (Tomlin). Alderney (Marquand). Var. lactea, Jeff. 

 Belgrave Bay, Guernsey, alive, and dredged in 18 fms. (Gallienne and 

 Jeffreys). Var. semicostata, Jeff. Channel Isles (Jeffreys). Alderney, 

 common on the shell beach, rare elsewhere (Marquand). Var. prcelonga, 

 Marsh. Guernsey, 20 fms., rare (Marshall). 



P. tumeula, Mont. Herm beach (Tomlin). 



Marginella lseviS, Bon. Guernsey (Br. Con.) Alderney shell beach 

 (Marquand). Dredged alive on coralline ground, rare ; dead shells occa- 

 sional at Herm (Tomlin) . 



Cyprsea europsea, Mont. Guernsey and Herm, common on shore and 

 dredged ; the spotless form prevailing (Tomlin) . Alderney, common 

 living at low water ; abundant on shell beach (Marquand) . Var. minor, 

 Marsh. Guernsey (Marshall). Alderney (Marquand). Herm (Tomlin). 



Ovula patula, Penn. Guernsey and Sark (Br. Con.) I possess a fine 

 specimen found on the beach at Herm (Marquand) . 



Cyliehna umbilieata, Mont. Dredged between Guernsey and Herm, dead 



only, rare (Tomlin). 

 C. eylindraeea, Penn. Guernsey (Br. Con.) Dredged dead, rare (Tomlin). 



Utrieulus mammillatus, Phil. Channel Isles (Br. Con.) Dredged dead, 



rare (Tomlin). 

 U. truneatulus, JBrug. Alderney, rare in shellsand (Marquand). Common 



in dredgings, dead (Tomlin). 

 U. ODtuSUS, Mont. Alderney, common in shellsand ; one specimen alive at 



Platte Saline (Marquand). Var. LajonJcaireana, Bast. Channel Isles, in 



deep water (Jeffreys). Alderney, common (Marquand). In dredgings, 



dead shells common (Tomlin) . 

 U. hyalinus, Turt. Guernsey (Br. Con.) Dredged dead, rare (Tomlin). 

 Aeera bullata, Mull. Guernsey (Hanley). 



Aetseon tomatiliS, L. Two good specimens found in the Alderney shell- 

 sand, and one on the Herm beach (Marquand) . 

 Bulla hydatis, L. Sark, 15-20 fms. (Jeffreys). 



Scaphander lignarius, L. Guernsey (Br. Con.) Alive in St. Peter-Port 



Harbour (Tomlin). Alderney, two rather poor specimens washed up in 



different places (Marquand) . 

 Philine catena, Mont. Guernsey (Barlee and Jeffreys). 

 P. punctata, CI. Guernsey (Jeffreys, Marshall). Var. cingulata, Marsh. 



Guernsey, in 20 fms., very sparingly with type (Marshall). 

 P. aperta, L. Channel Isles (Br. Con.) Belgrave Bay, Guernsey, at low 



water spring tides (Tomlin) . 

 Aplysia punctata, Guv. Common in Guernsey about June, when it comes 



in to spawn ; I have seen it in thousands from Fermain to Bordeaux 



Harbour (Tomlin). 



