i02 VENUS. VENUS-SHELL. Class VL 



3, LACTEA. Zi«. TV. viii. 79. Mont. Test, Br. Sup. AQ. 



* V. with a somewhat heart-shaped compressed 

 shell ; ridges concentric, strong, obtuse ; blunt 

 at one end ; diameter an inch and a half. 

 JVestern coast. 



4. CASINA. Gm. Lin. 3269. Mont. Test. Br. Sup. 



Lin. Tr. viii. 79. /. 2.f. 1. V. erj'cina. Br. Zool. Iv. 94. 



* V. shell with transverse reclining bent edged 

 ridges ; hind margin crenulated ; strong ; vvhite, 

 with stripes of reddish brown from the beak to 

 the margin ; circumference about five or six 

 inches. Tab. Ivii. Jig. 2. 



Found in the Meuai, between Caeniari'on- 

 shire and Anglesey. 



5. LAMINOSA. V. cancellata. Gm. Lin. 3270. Mont. Test. Br. Sup. 38. 



* V. with an ovate shell ; ridges numerous, 

 concentric, sub-membranaceous, nearly erect; 

 with an heart-shaped depression, of the color of 

 the shell, near the hinge; length one inch^ 

 breadth an inch and a quarter. 



Isle of May, in the Frith of Forth. 



