PLATE CXXVIII. 



FIG. 1. 1. 



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, retuse 



behind : beaks pointed. 



MYTILUS EDULis : testa Iseviuscula violacea : valvis anterius sub* 



carinatis posterius retusis, natibus acuminatis. 



Fn. Senc. 2156. Gmcl. Linn. Sj/st. Nat. T. I, 



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

 Mvtilus vulgaris. Musculus vulgaris subtaevis ex cseruleo nigcr. 



Common Muscle. Da Costa Brit. Conch. 



p. 216. fp. 48. 

 Mytilus Edulis, Edible. Penn. Brit. Zool. T. 4. p. 1 10. fp, 73. 



E 4 



