[ 22 ] 



FIG 78. 



MYTJLUS Subovalis denfiflime punclatus. 



The fuboval thickly dotted mufde, 



The colour pellucid white. 



From Sandwich — not uncommon. 



FIG. 79. 



MYTILUS Difcors arcis tribus diftinais. 

 The divided mufcle, 

 The colour opaque brown. 

 From Sandwich — not common. 



Lin. S. N. 1 159, No. 261. Da Cofta Fr. Conch, p. 221. Tab. 17. f. i. where it is 

 exaftly defcribcd, and as badly engraved. 



A N O M I A. The Scale. 



F I G. 80. 



A N O M I A Squammula. 



The fcale anomia, 



The colour opaque white and glofly. 



From Sandwich — not uncommon. 



Lin. S. N. 1151, No. 221. 



This fliell is well defcribcd by Da Cofta ; but neither he or Mr. Pennant have caufed it 



to be engraved. 



o' 



A RC A. 



