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ADVERTISEMENTS. 
MINERALS, FOSSILS, AND SHELLS on Sale by 
BRICE M. WRIGHT, 
3C, GREAT RUSSELL STREET, BLOOMSBURY, LONDON. 
MINERALS. 
The general stock of Minerala consists of 10,000 specimens, including nearly 
all the more important of the known species, as well as many that are of very rare 
occurrence, from which single specimens may be selected, at prices varying fix)m 
sixpence to five pounds and upwards. 
Among the recent additions to the stock, there may be mentioned, as worthy 
of the notice of Mineralogists, a fine new meteoric Iron, 6'om Zacatecas, Mexico 
(described by Dr. Hugo Miiller, in Quarterly Journal of the Chemical Society of 1858), 
which will be cut up into pohshod slices of various sizes and prices to suit customers. 
A number of fine specimens of Datholite, from Bergeman Hill, New York. Also an 
extensive assortment of Carbonates, Sulphates, Cupreous Sulphates, Phosphates and 
Ai-seuiates of Lead, and Cupreous Silicates of Zinc from Cumberland and Lead-hills. 
To facilitate the study of Mineralogy, a series of collections may be had from 
£2 10s to £50. 
Similar collections containing Foreign as well as British Minerals, may he had at (he 
same scale of prices. 
BOCK-SPECIMENS. 
Collections of British Rocks, named and arranged, and containing 100 
specimens, varying in price, according to the size . . from £1 to £3 
Ditto of Scotch Rocks from £1 to £3 
FOSSILS. 
The collection of Fossils consists of several thousand specimens, many of which 
are fine and rare, from which selections may be made. 
Collections of British Fossils, carefully selected from each geological formation, 
named and stratigraphicaUy arranged, according to the works of the best Authors, 
from £1 to £3. 
SHELLS. 
The general stock of Shells contains many hundred genera, and of upwards of 
10,000 specimens, from which selections maybe made. Among them are to be 
found many rare species too numerous to mention in detail. 
Collections from £3 to £40. 
Collections of British Shells, carefully named from Forbes and Hanley's British 
Mollusca, from 10s. to £2. 
Standard Works on Natural History, Coachology, and Mineralogy, G:ological Maps, 
Diagrams, Hammers, Glass-capped Boxes and Tubes are also kept on hand. 
THE NATUKALIST'S ASSOCIATION, 
17, DEAN STREET, SOHO. 
This Association was established in 1853 for the purpose of encouraging col- 
lections and scientific research in all parts of the world, for facilitating the exchange 
of specimens, and otherwise advancing the various branches of Natural Hi.story. 
Arrangements have been made for removing the Society's property to 17, Dean 
Street, Soho (recently the residence of the late Dr. Brown, and formerly the 
Museum of Sir Joseph Banks), where, after the comjiletion of the repairs, all the 
Meetings and Conver.sazioues of the Society will be held. 
The Sale and Exchange Department, although distinct from the Library and 
Reference Collection, will be carried on in the same premises, under the superin- 
tendence of Mr. John Calvert, C.E. 
A select Stock of new and cheap Cabhiets, Glass-top Boxes, Tubes, Trays, 
Tablets, and other Natural History requisites. 
Persons generally are invited to send specimens for exchange. 
