CONCHYLIA— D/Ti/FE^. 46. 215 



Chemnitz, vii. p. 331, tab. 66, fig. 633, 634. 

 Pecten Monotis. Da Coda, p. 151, tab. 10, fig. 1, 2, 4, 5, 7, 9. 

 Pecten subrufus. Lister, tab. ISO, fig. 17, 181, fig. 18. 



Shell nearly two inches long, aud rather less in breadth, varying 

 much in colors and markings : the ribs are clothed with concave 

 spines more or less. 



Pecten testa oblongo-ovatd tequivalvi, striis 40 rotundatis Itsviusculis, Piisio. 



alternis minoribus. 

 Shell oblong-oval equivalve, with 40 rounded and nearly smooth 

 striae which are alternately smaller. 



Tab. nost. 17, fig. 2. 

 Ostrea Pusio. Linn. Syst. Nat. p. 146. 



Gmelin, Syst. p. 3424. 

 Dillwyn, Descript. Catal. p. 261. 

 Turton, Linn. Syst. iv. p. 266. 

 Palliolum. Chemnitz, vii. p. 333, tab. 67, fig. 635, 636. 



Pecten parvus, ex croceo variegatus, tenuitfer admodum striatus, al- 

 ternis fer^ striiss paulo minoribus. Lister, Conch, tab. 189, fig. 

 23. 

 Mus. nost. From the rocks in Torbay. 



Shell five-eighths of an inch long, and half an inch broad, 

 brownish white with chocolate transverse zigzag bands, often safiron 

 or crimson, but variable in colors ; the under valve usually clear 

 white ; with about 40 fine rounded striae which are mostly alter- 

 nately larger and smaller, and very slightly muricate about the mar- 

 gin. 



