?94 CONCHOLOGY. 



PLATE VII. 



Fig. i.r \ PECTUNCULUS Ihewn 



2. 



A 



on the infide. 



And in two fide views, a. a. the 



2. . fummit. b. b. b, the beaks, c. c. c, 



the margins or borders, d, d. the 



length of the fhell. e, e. the 



breadth of the fhell. f.f'f* the 

 flopes. 



4. A Tridacna, the Bajon Conch or 

 Clamp, 



5. The infide top or the hinge part of 

 the faid Shell. 



6. A Balanus or Acorn Shell. A Mul- 

 tivalve. 



7. The fame cut open to (hew its in- 

 terior ftrufturc. 



Fig. 



