VENUS* 
23/ 
V, the point of junction in which is near the hinge, and at 
the end of each of the lines a red streak which continues 
to the front margin: beaks prominent, pointed, turned a 
little to one side; inside glossy white, with the margin 
plain: length a quarter of an inch ; breadth rather more. 
The white lines are sometimes wanting; but the red 
marks are always present. v 
Dredged up at Falmouth ; very rare. v. m. 
11. Venus subcordata. Gauze Venus. 
Montagu, pi. 3. f. 1. 
Shell strong, roundish, rather convex, white, with strong 
longitudinal rib-like strife, and remote transverse ridges, 
making the intermediate spaces each a long square : beaks 
nearer to one end, much incurved and turning to one side ; 
the cartilage end almost straight and much sloping, the 
other turned much inwards and almost smooth and glossy i 
inside glossy-white, with the margin finely notched : teeth 
rery strong: diameter a quarter of an inch. 
Dredged up in Falmouth harbour: very rare. 
12. Venus Dysera. Reticulated Venus. 
Litter , pi. 278, f. 115, 
Shell somewhat oval and heart-shaped, white, with se¬ 
ren'd transverse rufous-brown lines on the cartilage slope 
of one valve, marked with distant concentric raised ridges 
reflecting upwards, the spaces between them strongly stri¬ 
de longitudinally; inside white, with the margin slightly 
notched: beaks small, turned much to one side ; in that 
ralve which is without the colored markings on the slope, 
the outer-tooth next the beak is very minute: diameter 
hardly three-quarters of an inch. 
Dredged in the Firth of Forth : very rare. 
13. Venus Guineensis. Guinea, Venus. 
Litter , pi. 306. f. 13.9. 
Shell convex, produced at one end, with numerous close- 
set regular .sharp concentric ridges, of a greyish-white color 
with two or three purplish-brown longitudinal rays; inside 
wiiite, inclining to purple on the margin behind the hinge, 
with the margin plain : beaks turning to one side, with a 
heart- 
