216 HELICID./E. 



Drap.) is in Dr. Turton's collection of British shells, 

 marked " Cornwall " (the birthplace of many spurious or 

 exotic shells) ; but although it has not at present any 

 well-founded claim to British parentage, it is remarkable 

 that this characteristic species, which had been so long 

 considered as peculiar to the shores of the Mediterranean, 

 has been lately found by M. 1' Abbe Maillard at Beauvais 

 in the North of France ; and I have seen the specimens 

 and been satisfied as to the correctness of this discovery. 



18. H. ERICETO'RUM*, Miiller. 



H. ericetorum, Mull. Verm. Hist. pt. ii. p. 33 ; F. & H. iv. p. 61, 

 pi. cxvii. f. 4. 



BODY greyish-white or yellowish, with sometimes a tinge 

 of reddish-brown ; tubercles very close-set ; mantle marked 

 with rather small and irregular, but distinct, milk-white 

 specks : tentacles rather long and thick, distinctly granulated, 

 of a yellowish-grey colour ; bulbs globular : foot slightly 

 angulated in front, its sides having a narrow whitish 

 border, and the tail tapering to a blunt point. 



SHELL nearly circular, much compressed above, but not quite 

 so much below, rather thin, but nearly opaque, glossy, whitish 

 or cream-colour, with usually a rather broad chestnut band a 

 little above the periphery, and from two to six narrow bands of 

 the same colour below it, but all these bands (or some of them) 

 are often interrupted or altogether wanting ; sculpture con- 

 sisting of faint striae in the line of growth, and often of irre- 

 gular pit-marks or indentations, which are thickly scattered 

 over the surface : periphery round, and not in the least keeled 

 or angular : epidermis very thin : whorls 6, cylindrical, the 

 last occupying about three-fifths of the shell : spire very slightly 

 raised, chestnut -brown at the summit : suture deep : mouth 

 nearly round, forming a segment of about four-fifths of a 

 circle, somewhat oblique, in consequence of the greater pro- 

 minence of the upper lip, and occasionally strengthened by a 

 slight internal rib : outer lip rather thick, slightly reflected 

 and especially towards the columella, very abruptly inflected 



* Frequenting heaths. 



