CAP-SHELLS, 213 
The interior of the shell is delicately smooth, and 
of the same roseate hue as the exterior. 
The animal is usually pale yellow, with a pink 
4 
S 
Ore 
TORBAY BONNET. 
mantle bordered with a fine orange-coloured 
fringe. The head, which is large and swollen, is 
tinged with brown. 
Though generally distributed, the Fools-cap 
must be considered a rare shell. Torbay, as one of 
its familiar names indicates, is the locality in 
which it occurs in greatest abundance. I have 
had several specimens brought to me from Wey- 
mouth Bay, and the West Bay of Portland. 
Messrs. Forbes and Hanley state that 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 considerable distances 
from land. It is finest in from fifteen to twenty- 
five fathoms, and usually small in very deep 
water.” * 
It has been proved, says M. Deshayes,t .by 
observation, that the animals of this genus are 
* Br. Moll. ii, 461. + Annales du Muséum. 
