INDEX. 



GENUS 11. MYTILUS MUSCLE. 



FLUVIATILES* RIVER. 



Plate. Fig. 

 Mytllus Cygneus, gfeat Horse Muscle _ • 5^ 



MARINE. SEA. 



Mytllus curvirostris, wry beak - - - 40 



Mytllus barbatus, bearded - • . - 70 



PART III. 



GENUS 13. CHAMA. GAPER. 

 MARIN.(E. SEA. 

 ChamA magna, large » . - > 5$ 



GENUS 14. sole::. sheath or RAZOR SHELL. 



Solen slliqua. Pod ... . - 46 



Solen ensis. Scymetar - - - - 50 



Solen legumen. Pe..secod - - - - 53 



PART IV. 



MULTIVALVES. 

 GENUS 16. PHOLAS. PIDDOCKS. 



Pholas bifrons, double-fronted ~ - . €z 



Pholas parvus - -, _ . « 63 



VOL. II, \ I 



