172 SPECIFIC 



figured in Plate XXVII. and the last in Plate 

 XXVIII. are all in the possession of Mrs. Mawe. 

 They are certainly rare, and some of them are sup- 

 posed unique : if either of them have been previ- 

 ously named or figured by any other writer, it is 

 not within the knowledge of the author, who is far 

 from wishing to lay claim to originality not his own, 

 or to impose his names in preference to such a 

 have been already conferred. In selecting the 

 names he has endeavoured to find those which 

 shall express some remarkable character of the spe- 

 cies, and which may in some degree distinguish 

 them from others by the meaning they convey, and 

 not merely by their verbal sound. 



Fig. 2. BucciNUM Pseudodoii. 



Shell oblong, solid, transversely striate j whorls 

 obtusely carinatc, surrounded with transverse raised 

 bands ; aperture crenate, columella with two plaits. 



Nondescript. 



Specimen white, covered with a transparent 

 brown epidermis ; raised bands dark brown ; aper- 

 ture white, ovate ; a few elevated striae above the 

 plaits on the columella, which is rather impressed 



