174 CONCHYUX— D J THY R A. 39. 



Var. nebulis angulatis. 



with the clouded marks disposed in angles. 

 Area niarmorata. Chemnitx, vii. p. 228, tab. 57, fig. 563. 

 Mus. nost. Dredged in the British Channel. 



Shell an inch in diameter, quite orbicular, flattish, witli nu- 

 merous fine raised decussate lines which are clothed with a short 

 silky brown pile : color yellowish-white, with purple and crimson 

 clouded patches, which are often disposed in zigzag angles, 

 giving the shell a beautifully marbled appearance : inside glossy 

 white, with frequently a dark red blotch near the centre : the 

 margin very strongly serrate, 



miminarius. Pectunculus testd lenticulari, nmbonibus tumidis, jrunciis 

 cotifertis rotundatis sanguineis. 

 Shell lenticular, with the beaks prominent, covered with numerous 

 rounded red dots. 



Tab. nost. 12, fig. 6. 

 Area nummaria. Linn. Syst. Nat. p. 1143. 

 Gmelin, Syst. p. 3314. 

 Tiirton, Linn. Syst. iv. p. 257. 

 Chemnitz, vii. p. 239, tab, 58, fig. 572. 

 Dillwyn, Descript. Catal. p. 243. 

 Pectunculus exiguus, laevis, rufis maculis punctim depictus. 



Lister, Conch, tab. 239, fig. 81. 

 Mtis. nost. Torbay, and the British Channel. 



Shell about half an inch in diameter, rather convex, very 

 finely decussate, yellowish-white or cream-color with numerous 



