42 1 JOURNAL OF CONCHOLOGY. 



extended by him to all who ask for help in their researches at 

 our Natural History Museum, $. Kensington. 



We may add, that so far as was possible, our National 

 Collection has been supplied with examples of the new species, 

 many of which arc also contained in Mr. Darbishire's and our 

 own private collections. The original types are all in the 

 Manchester Museum, Owens College. 



