pileopsis. 461 



and there are specimens of equal size in the cabinet of 

 Mr. Jeffreys. 



The animal is white or yellowish, its mantle pinkish-white 

 or red colour, bordered by a fine bright yellow or orange 

 fringe ; the head is prominent, tumid, and produced in 

 front into a proboscidiform muzzle, cloven at the extremity, 

 and often tinged with brown : on each side of the head is a 

 long, subulate, white or yellowish tentacle, bearing the eyes 

 on a prominent bulging near the external base. The foot is 

 stout, fleshy, and sub-orbicular, with plain sides ; in front 

 it is bordered by a slightly scalloped membrane. 



This mollusk is generally distributed around our shores ; 

 though sparingly in most places. It is most abundant on 

 the south coast of Devon, where the name of " Torbay 

 Bonnet 11 is applied to it (S. H.), and in the Irish Sea 

 around the coasts of the Isle of Man. It chiefly inhabits 

 rocky ground, and oyster and scallop banks, adhering to 

 shells, living in various depths of water from fifteen to as 

 deep as eighty fathoms, and extending its range to con- 

 siderable distances from land. It is finest in from fifteen 

 to twenty-five fathoms, and usually small in very deep 

 water. 



It ranges from the coast of Norway to the Mediter- 

 ranean, and as a fossil dates its existence within our area 

 from the epoch of the coralline crag. 



SPURIOUS. 



P. militaris, Linnaeus. 



Lister, Hist. Conch, pi. 544, f. 11. 



Patella militaris, LlNN. Mantissa, p. 552 (probably). — PuLTENEY, Hutchins, 



Hist. Dorset, p. 51. — Mont. Test. Brit. vol. ii. p. 488, 



pi. 13, f. 11. — DONOV. Brit. Shells, vol. v. y\. 171.— 



Mat. and Rack. Trans. Lin. Soc. vol. viii. p. 231. — RA( k. 



