92 CONCHOLOGY. 



perplexed, and require an intenfe ftudy to 

 iinravel them : befides, he has clogged the 

 whole with fuch unmeaning and ridicu- 

 lous new names to his Shells, rejecting all 

 former and received ones, that he makes 

 himfelf very lingular. 



The vaft and coftly work of Seba offers 

 next. It has no general fyftem or method ; 

 but the editor, in the index of the plates, 

 (Plate 84,) exhibits an arrangement of the 

 Univalves : and fays, he hopes to publifli 

 his whole fyftem foon, which will comr 

 prehend the Univalves, the Bivalves, and 

 the Multivalves, with their characters and 

 divifions. 



The fyftem or method of Univalves 

 he exhibits, contains fifteen fimilies, to 

 wit, I. Cowries. 2. Tuns. 3. Nautili. 4. 

 Semilunar mouthed Snails. 5. Round 

 mouthed Snails. 6. Trochi or tops. 7. 

 Strombi or Needles. 8. Olives. 9. Vo- 

 lutes. 10. Helmets. 11. Winged Shells. 



J 2, Mq^ 



