INDEX. 



GENUS 7. PECTUNCULUS; COCKLE. 

 * MARINE. SEA. 



Peclunculus glaber, smooth 



Plate. 

 17 



Fir 



GENUS 9: CUNEUS. PURR, 



* MARINE. SEA. 



Cuneus fasciatus, fasciated 

 Cuneus foliatus, foliated 

 Cuneus truncatus, truncated 

 Cuneus vittatus, ribband 



29 



24 

 29 



1. x. 



GENUS II. MYTILUS MUSCLE. 

 * MARINE. SEA. 



Mytilus Modiolus, great 

 Mytilus difcors, divided 



23 

 »5 



GENUS 15. PINNA. SEA HAM OR WING. 



* MARINE. SEA. 

 Pinna muricata, thorny - - - ic 



Balanus vulgaris, common 

 Balanus porcatus, ridged 

 Balanus anatiferus barnacle 

 Vol, I. 



PART IV. 









MULTIVALVES. 









GENUS 18. 









, 



- 



36 



2 



- 



- 



30 



1. 



- 



- 



7 





M 



