INDEX. 



GENUS 5. ARCA, ARKS, OR BOATS. 



* MARINE. SEA. 



Area lactea (Da Costa) 



Plate. Fig. 

 135 



GENUS 6. CARDIUM. HEART COCKLE. 



* MARINE. SEA. 



Cardium vulgarc 

 ■'■■ ■ rusticum ? 



124. 

 124. 



1 

 3 



GENUS 11. MYTILUS MUSCLE. 



Mytilus Anatinus 



* FLUyiATILES. RIVER. 



113 



* MARINE SEA. 



Mytilus vulgaris 



■ ungulatus 

 ' rugosus - 



123 



128 

 141 



i 



PART III. 



GENUS 13. CHAMA GAPERS. 



* MARINE. SEA. 



Chama magna (hians. Solander) 

 vol. IV. 



140 



