INDEX. 



GENUS 7. PECTUNCULUS; COCKLE 

 • MARINiE. SEA. 

 Peftunculus glaber, smooth 



Plate. 

 17 



Fig. 



GENUS 9: CUNEUS. PURR, 

 * MARINE. SEA. 



Cuneus fasciatus, fasciated 

 Cuneus foliatus, foliated 

 Cuneus truncatus, truncated 

 Cuneus vittatus, ribband 



29 

 *9 



GENUS 11. MYTILUS MUSCLE, 



* MARINiE. SEA. 



Mytllus Modiolus, great 

 MytUus difcors, divided 



23 

 25 



GENUS 15. PINNA. SEA HAM OR WING 

 » MARINiE. SEA. 



Pinna muricata, thorny 



zc 



