MARINE SHELLS. 73 



Crenella rhombea, Berk. Tolerably common at Guernsey (Jeffreys). 

 Alderney, very rare in shellsand (Marquand). Dredged, rare and very 

 small (Tomlin). 



C. pellueida, Jeff. Dr. Jeffreys found two perfect specimens and a valve at 



Guernsey (Marshall) . 

 Nueula nucleus, L.- Low water in the Channel Islands, double the size of 



those dredged off the coast (Marshall). In dredgings in deep water off 



Guernsey, muddy ground (Tomlin). Alderney, common in shellsand 



(Marquand) . 



N. nitida, Soto. Channel Isles (Br. Con.) Alderney in shellsand (Marquand) . 



Peetuneulus glyeymeris, L. Guernsey, Alderney and Herm, common 

 (Marquand). Specimens from the Channel Islands differ from those of 

 the British coast in being orbicular (Marshall). Type form very rare 

 (Tomlin). Var. globosa, Jeff. Guernsey (Br. Con. Suppl.) Abundant 

 dredged (Tomlin). 



Area laetea, L. Guernsey and Herm, common on the shore (Tomlin). 



Alderney, living at low water ; abundant on the shell beach (Marquand) . 



The noted shell beach of Herm is composed principally of the valves of 



this species (Marshall). 

 A. tetragona, Poll. Alderney, not uncommon, but much worn (Marquand) . 



Herm, frequent, valves only (Tomlin). 

 Galeomma Turtoni, Ms. Zool. Jour. Guernsey, dredged ; Herm, not 



uncommon (Jeffreys) . Bordeaux Harbour, Guernsey, one specimen ; rare 



at Herm, gregarious under big stones at extreme low water spring tides 



(Tomlin). Mr. Marshall says (in 1897) that this species is now nearly 



extinct at Herm. 



Lepton squamosum, Mont. Guernsey (Br. Con.) Dredged alive off 



Castle Cornet in 18 fms., valves common (Tomlin). Alderney, a single 



valve in shellsand (Marquand) . 

 L. nitidum, Turt. Channel Isles (Br. Con.) Occasional in dredgings 



(Tomlin). Var. lineolata, Jeff. Guernsey (Jeffreys). Var. pisidialis, 



Jeff. Guernsey, 18 fms. (Marshall). 

 L. SUleatulum, Jeff. Guernsey, rather plentiful among corallines in the 



Laminarian zone (Br. Con.) In seaweeds at low water, and dead in 



20 fms. (Marshall). Alderney in shellsand, rare (Marquand). Herm 



(Marshall) . Occasional in dredgings (Tomlin) . 

 L. Sykesii, Ghost. In sand dredged at Guernsey (Chaster). Off St. Martin's 



Point, 18 fms. (Marshall). 

 L. ClaPkise, Clark. Guernsey and Herm, living in weeds at extreme low 



water, and dead in 20 fms. (Marshall). Occasional in dredgings (Tomlin). 



Scintilla Eddy Stonia, Mars h. Guernsey (Marshall) . 



Montaeuta SUbstriata, Mont. Channel Islands, at low spring tides on 

 Spatangus purpureas, very fine (Marshall) . 



M. bidentata, Mont. Guernsey, of large size (Marshall). Occasional in 



dredgings (Tomlin). 

 Lassea rubra, Mont. Guernsey and Herm, very common (Tomlin). 



Alderney, abundant between tidemarks (Marquand). Var. pallida, Jeff . 



Guernsey and Herm (Tomlin) . Alderney (Marquand) . 



Kellia SUborbicularis, Mont. Guernsey and Herm, common on the shore 



(Tomlin). Alderney, frequent between tidemarks (Marquand). Var. 



laetea, Brn. Herm (Tomlin). 

 Loripes laeteus, L. Exceedingly plentiful near St. Peter-Port (Br. Con.) 



Bordeaux Harbour, Guernsey, and Herm (Tomlin). 

 Axinus flexue-SUS, Mont. Channel Isles (Br. Con.) Braye Bay, Alderney, 



dead (Marquand). 



