EXCHANGE. 



Zonites excavatus, C. tridens var. crystallina, and C. 

 tridens var. Nouletiana offered in exchange for other species or 

 varieties. — John W. Taylor, St. Ann Street, Leeds. 



Offered. — Duplicate Land and Marine Shells from South 

 Africa, the West Indies, &c. Wanted — Foreign Shells. — 

 J. S. Gibbons, 2, Belmont Terrace, Portswood, Southampton. 



Wanted. — Any of the following in exchange 'for 28 parts of 

 Sowerby's "English Botany." — Rossmassler's " Iconographie," 

 3 vols., coloured plates, Jeffreys' "British Conchology," 5 vols., 

 coloured plates, or an equal number of parts of the "Journal de 

 Conchyliologie." — J. D. Butterell, 26, Coltman Street, Hull. 



AUSTRALIAN SHELLS. 



W. T. BEDNALL, 



ADELAIDE, SOUTH AUSTRALIA, 



Will supply parcels of Australian Shells, with correct names and 

 localities from los. upwards, postage included. Where possible, 

 requests for special genera or species will be complied with. 

 Many hundred species of Australian and South Sea Island Land 

 and Marine; Freshwater not extensive. Reference: — Mr. J. W. 

 Taylor, editor of this journal. 



Address: — 



W. T. BEDNALL, 



Adelaide, S. Australia. 



