C ^5 1 
ing as the form of the ftone does permit, which 
indeed are hot found in the feed velTels of that 
plant, but in all other matters it truly refembles 
them, both in fhape and magnitude." 
F I G. XXXIV. 
Woodward’s foflirs. Tome I, Part II. p, 44. f. 192.’^’ 
Crow-Jlones.* Upper valve flattifii: lower con¬ 
cave, the beak of which is much hooked over 
the upper valve: fhells thick, formed of feveral 
imbricated plates : the beak is not perforated. 
Da Coftat fays this fhell is by all its cha- 
rafters a true oyfter. LinnaeusJ places it in 
his 314 genus, he calls it Anomia Gryphus. 
The Scotch call this fhell Clach Cruhain^ 
value it as an amulet, and attribute to it the 
virtue of curing all pains in the joints.^ 
C OSTREA. 
* Merret’s pinax rerum Natur. Brit. p. 216, 
f Elements of conchology, p. 254, 
Linnaeus’s fyftema naturae, p. 1151. Vol. I, 
^ Pennant’s tour to the Hebrides, p. 2g2, 
