240 



CONCHYLIA— D/TifFE^. 53. 



palndosus. Anodon testd oblongd convexd subcsquilateralis, margine arcuato, 

 latere antico sinuato-subangulato. 

 Shell oblong, convex, and nearly equilateral, arcuated at the margin, 

 with the anterior side sinuate and somewhat angular. 

 Tab. nost. 15. fig. 5. 

 Mytilus dentatus. Turton, Conch. Diet. p. 115. 

 Mus. nost. From the great Bog of Allen, Ireland. 



Shell longer than the last, but not so broad, green with yellowish 

 white longitudinal rays, fawn color at the sides and margin, with a 

 fawn color tinge on the inside : both the extremities are rounded^ 

 the anterior one slightly angular and flexuous : beaks nearly central. 



The outline of this shell is quite different from any of the varie- 

 ties of Anodon Cygneus, and it appears to be clearly distinct. 



Anatinus. 

 3. 



Anodon testd ovatd convexd incBquilaterali, margine subincurvo, latere 



antico alato-angulato, umbonibus decorticatis. 

 Shell oval convex inequilateral, slightly incurved at the margin, 

 with the anterior side angular and winged, and the beaks decor- 

 ticated. 

 Mytilus Anatinus. Linn. Syst. Nat. p. 1158. 

 Chnelin, Syst. p. 3355. 

 Turton, Linn. Syst. p. 293. 

 Pennant, iv. p. 239, tab. 71. 

 Chemnitz, viii. p. 189, tab. 86, fig. 763. 

 Da Costa, Brit. Conch, p. 215. 

 Donovan, British Shells, i. tab. 13. 

 Montagu, Test. Brit. p. 171. 



