CORRIGENDUM. 



As the aniraal on which Mr. Berkeley's observations upon Dentalium 

 Gadus of Mont, were founded proves on a reference to Mr. Lowe'? 

 ]\Ianuscripts to have been taken from a very young specimen of Dentalium 

 subulatum of Deshayes, though hastily labelled " Dentalium Gadus," Mr. 

 Berkeley feels it incumbent upon him to state the error into which he ha;- 

 unavoidably fallen. 



