150 PROC. CONCH. SOC. GREAT BRITAIN AND IRELAND. 



regularly held. x\t these meetings the 



PAPERS READ 



have been of considerable interest. The list includes papers by 

 Charles Ashford, Esq. :— 



" On suggestions for a serial arrangement for our banded 

 land shells." 



" Note on Buliimis acuhis var. bizona." 



" Note on Bulivms Goodallii" 



Wm. Nelson, Esq. : — 



" On the local association of Linmcca glabra^ Flafwrbis 

 spirorbis and Physa hypjioncin." 



R. Scharff, Esq. : — 



" Extracts from M. Gassies' paper, ' On a peculiar hybrid 

 Ruinina decollaia' translated from the Actes de la Societie 

 Linneenne de Bordeaux." 



J. D. Butterell, Esq. :— 



"Note on the discovery of a white v^xitty oi Sticcmea 

 elegans." 



" List of shells collected at Hornsea." 



SPECIMENS EXHIBITED. 



The number of shells exhibited has been very large and has 

 comprised some rare and valuable specimens. The list includes : 



A fine series of banded-shells illustrative of Mr. Ashford's 

 paper. Collections (including some rare species and varieties) 

 from Isle of Man and Dovedale, by Mr. W. Nelson. 



A collection of 54 species from West Africa and the West 

 Indies, by [Mr. J. W. Cundall. 



A series of Continental and British shells, some of which 

 had been sent by Mrs. Fitzgerald, Miss Hele, and Mr. J. H. 

 Ponsonby. [The President. 



Mr. Roebuck exhibited on behalf of Mr. J. D. Butterell, a 

 series of microscopic slides of the jaws and tongues of various 

 mollusca. List : — 



Limncea peregra. Beverley, 1880. Jaw and odontophore. 



