LIST 



OF 



MOLLUSCA FOFID in the NEIGHBOURHOOD of BATH, 



BY 



HENRY BIRD, ESQ., M.D. 



(Read Jamiary I5fh, 1868.^ 



The species of Mollusca included in this paper were all 

 found witliin a district extending ten miles around the city 

 of Bath during the year 1867. The names and arrangement 

 are those of Jeffii'eys, as given in his " British Conchology." 



LAMELLIBRANCHIATA. 



SPHCERIID^. 



Sphcenum comewm. — River Avon and Canal. 



S. rivicola. — With the last. 



Pisidium amnicum. — River and Canal. 



UNIONID^. 



Unio tumidus. — River and Canal. 

 U. — pietorum. — With the last. 

 Anodonta cygnea. — With the last two. 



DREISSENID^. 



Dreissena polymoiyha. — Common in the River and Canal. 

 PECTINIBRANCHIATA. 



NERITID^, 



Neritina fiuviatilis. — On stones helow Bathampton Weir, 

 river Avon. 



