328 Q.ixrterly Journal of Conchology. 



Far. INTERMEDIA. East coa^t o;' Guernsey and Sark; 

 the latter specimens are very fine. 



Var. DEPRESSA. Abundant everywhere. 

 Helciom pellucidum, Z., var. l.evis. Ail parts of the coast, 

 on Lannnarise at low water, 



Tectuka virginea, AfiL'l. Under stones at low water all along 



the east coast, and at iierm ; common. 



Kir. c jNiCA. Deep water off Guernsey. 

 Emargimula FissuKA, L. Lo.*' water mark at iiJordeaux Harbour, 



and elsewhere, 



Emvrginula rosea, Be'/. With the last, but more abundant 

 and mjre widely distributed; very co.nmon on shells and 

 stones m 15 f, off St. Peter's Port. 



FisoURELLa Gr-'ECa, Z. Low water mark at Bordeaux Har- 

 bour, 



Calyptr.ea Chinensis, Z. Abundant from low water mark 

 of si)rmg tides (Cobj, St. Peter's Port H-trbour, &c.) to 22 f. 

 off Guern:,ey. 



Haliotis tuberculata, Z. Abundant u.ider large stones on 

 all the coa.:.ts. 



Trochus majus, Z. Very common on mudd3'-gravel at low 

 water m.iik, at most places. Specimen^ from deep water are 

 much thi.iner and more angulated. 

 Var. ALBA. Cobo. 



Trochus tu.midus, Mont. Rather common in 15-22 f, off St. 

 Peter's Port, 



Trochus cine<arius, Z. Abundant everywhere. 



Trochus umbilicatus, Mo/it. Excessively abundant everywhere, 



Trochus lineatus, Da Cjsfa. On large rocks in all the islands, 

 very local, but rather common. Large specimens are some- 

 times rather scalarifo/m. It is sold in the market at 

 Guernsey, 



