PLATE CXXVIII. 



FIG. I. L 

 MYTILUS EDULIS. 



COMMON MUSCLE. 

 GENERIC CHARACTER, 



The hinge toothless, and consists of a longitudinal furrow, 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell smoothish, violet : valves slightly carinated in front, refuse 

 behind : beaks pointed. 



Mytilus edulis : testa laeviuscula violacea : valvis anterius sub* 

 carinatis posterius retusis, natibus acuminatis, 

 Fn. Senc. 2156. Gmel. Linn. Syst. Nat. T. /. 

 p. 6. p. 3353. Sp. 11. 



Mytilus vulgaris. Muscuius vulgaris sublsevis ex cseruleo niger. 

 Common Muscle. Da Costa Brit. Conch, 

 p. 216. fp. 48. 



Mytilus Edulis, Edible. Penn. Brit. ZooL T, 4. p. 1 \Q.fp. 73* 



e 4 



