84 MARINE SHELLS. 



CerithiopsiS metaxae, D. Ch. Guernsey, 22 fms. (Lukis and Jeffreys). 

 Dredged, very rare, dead (Tomlin). Var. alba, Marsh. Guernsey, 

 20 fms. (Marshall). 



Purpura lapillus, L Common in Alderney (Marquand), and probably in 

 all the other islands. 



Bueeinum undatum, L. Guernsey and Herm, dead, rare; young ones 

 alive in dredgings (Tomlin) . Common on the shell beach at Alderney, 

 shells often large (Marquand). 



Triton nodifer, Lam. Coast of Guernsey, where three living specimens 

 were trawled at different times between 1825 and 1832 (Br. Con.) 



T. GUtaeeus, L. Guernsey and Herm, both living and dead specimens 

 (Lukis, Barlee and others). Jeffreys says young shells resemble stunted 

 specimens of Murex erinaceus. 



Murex erinaeeus, L. Guernsey and Herm, common on the shore (Tomlin). 

 Alderney, rather rare alive, dead shells common (Marquand). Var. 

 sculpta, Jeff. Guernsey, dredged (Jeffreys). Var. melanostoma, Jeff. 

 Guernsey and Herm, fairly common on shore (Tomlin) . 



M. aeiculatus, Lam. Guernsey and Herm, very common (Tomlin). Alder- 

 ney, common alive and dead (Marquand). Var. baclia, Jeff. Guernsey 

 (Jeffreys). Very fine off Castle Cornet, 16-18 fms. (Tomlin). Alderney 

 (Marquand). Var. elongata, Montes. Herm at low water (Marshall) . 



Lachesis minima, Mont. Guernsey and Herm, plentiful in. the littoral 

 zone (Tomlin). Alderney, common alive ; abundant in shellsand 

 (Marquand). Var. pallescens, Jeff. Guernsey (Jeffreys). Alderney 

 (Marquand) . 



Trophon murieatUS, Mont. Guernsey (Br. Con.) Bare alive, common 

 dead (Tomlin). Alderney (Marquand). 



FUSUS gracilis, Da C. Guernsey, one specimen (Lukis). Very rare, frag- 

 ments only (Tomlin). Alderney shell beach, one large specimen much 

 broken (Marquand). 



Nassa reticulata, L. Belgrave Bay, Guernsey, living in muddy sand at 

 extreme low water ; occasionally alive at Herm (Tomlin) . Alderney, not 

 common alive ; dead shells frequent, often tenanted by Hermit Crabs 

 (Marquand) . 



N. inerassata, Sir. Guernsey and Herm, common (Tomlin). Alderney, 

 common (Marquand) . Var. major, Jeff . Channel Isles (Br. Con.) Alder- 

 ney (Marquand). Var. minor, Jeff. Guernsey and Herm (Tomlin). 

 Alderney (Marquand). 



Defraneia gracilis, Mont. Guernsey (Br. Con.) Alderney, rare (Mar- 

 quand). Not uncommon dredged (Tomlin). 



D. Leufroyi, Mich. Guernsey (Metcalfe and others). Herm (Gallienne). 

 Bare at Herm, alive at low spring tides (Tomlin) . 



D. linearis, Mont. Guernsey and Herm, dead shells common ; rare alive, on 

 shore and dredged (Tomlin). Alderney, dead (Marquand). Var. alba, 

 Marsh. Guernsey, 20 fms. (Marshall). 



D. reticulata, Ren. Guernsey, coralline zone (Jeffreys). 



D. purpurea, Mont. Guernsey (Br. Con.) Bare alive at low spring tides in 

 Guernsey and Herm, sometimes very fine (Tomlin). Alderney, rare on 

 the shell beach (Marquand). Var. Philberti, Mich. Channel Isles, under 

 stones, and among Zostera at low water mark (Jeffreys) . Dredged alive, 

 rare (Tomlin). Var. oblonga, Jeff. Guernsey, 18 fms., dead (Jeffreys). 



Pleurotoma Striolata, Phil. Guernsey (Hanley). 



P. attenuata, Mont. Guernsey (Forbes). Alderney, in shellsand (Mar- 

 quand) . Sark (Barlee) . Dredged, dead only (Tomlin) . 



