242 
VENUS. 
antiquated ridges: color whitish, with often a reddish tinge, 
sometimes longitudinally radiate, and rarely marked with 
broad crimson longitudinal stripes, but generally with irre¬ 
gular streaks and blotches of a reddish-brown j inside white, 
glossy round the margin which is plain : beaks pointed, 
turned much to one side, beneath which is a deep heart- 
shaped depression, generally of a pule brown or rufous co¬ 
lor : diameter sometimes two inches and a half 
The young shells diUcr nothing in their figure or appear¬ 
ance. 
Sandy coasts of England and Ireland, v. v. 
24. Venus sinuata. Lily Venus. 
Lister, pi. 289. f. 125, and pi. 29 0. f. 126—Gmclin> 
p. 3285. 
Venus Iincta. Dorset Cat. p. 35. pi. 1. f. 13. 
Venus lac tea. Donovan , pi. 14.9.— Linn. T runs. viii, p. 79. 
Venus exoleta, Var. Linn. Trans, viii. pi. 3. f. 2. 
Venus exoleta. Pennant, pi. 59. f. 1. 
Venus exoleta. The young shell. Dilhcyn , p. 196. 
Venus excisa. Diltwyn , p. 195. 
Venus Casiria. Diltwyn, p. 1 65. 
Shell thick, convex, roundislvoval, narrowed towards 
the beaks, from which it runs nearly straight do\yn the catv 
tilage side, glossy white, with sometimes a very pale yel¬ 
lowish tinge towards the hinge, marked with numerous 
elose-set very slightly raised obtuse concentric ridges, which 
become much more rough and elevated at the sides, besides 
frequent deeper antiquated furrows : beaks central, promi¬ 
nent, curved to one side, wit h a deep oval whiteheart-shaped 
depression under them; inside white, glossy youndthe mui> 
gin which is plain : teeth strung. In one valve four, placed 
in pairs on each side the beak and the pairs remote from 
each other, the outermost on the posterior side tubercular ; 
In the other valve three, that which is placed on the ante¬ 
rior side remote and cloven : diameter an inch and a half, 
It is a much more ponderous shell than V. exoleta, more 
convex, ovaL-shaped, and polished, always withoutcoiored 
markings, and the older pries !>uve generally a fe\y obscure 
longitudinal lines. 
The history of this shell, so yery common onth.e western 
poasts, 
