PLATE CXXVIII. 



FIG. II. II. 

 MYTILUS UNGULATUS. 



CLAWED MUSCLE. 

 SPECIFIC CHARACTER 



ANU 



SYNONYMS. 



Shell smooth, somewhat curved : posterior margin inflected : hinge 

 terminal, bidentated. 



Mytilus UNGULATUS : testa laevi subcurvata : margine posteriori 

 inflexo, cardine terminali bidentato. Linn. — 

 Gmel. Sj/st. Nat. T. I. p. 6. p. 33i4. Sp. 12-. 



Several shells of this kind were picked up by Miss Pocock, on the 

 coast of Cornwall. It was before known as an inhabitant of the 

 Mediterranean, but not as a British species. 



Fig. II. II. — ^Upper and lower Figures, 



