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MOLLUSCORUM BRITANNIE SYNOPSIS. 
A SYNOPSIS 
OF THE . 
MOLLUSCA OF GREAT BRITAIN, 
ARRANGED ACCORDING TO THEIR 
NATURAL AFFINITIES AND ANATOMICAL STRUCTURE. 
BY 
WILLIAM ELFORD LEACH, M.D., 
F.R.S., £.5., M.C.S., W.8.E. 
Member of the Royal College of Physicians of Edinburgh ; 
the Royal College of Surgeons of London ; 
the Medico-Chirurgical Society of London; the Imperial Czesarian Society of 
Naturalists of Moscow ; the Czsarian Leopoldine-Caroline Academy of Bonn ; 
and of the Natural History Societies of Berlin, Leipzic, Halle and Ehren ; Honorary 
Member of the Philosophical Societies of London and Cambridge, and the 
Phrenological Society of Edinburgh ; 
Corresponding Member of the Royal Museum Garden of Plants, and Philomathic 
Society of Paris, and the Academy of Natural Sciences of Philadelphia. 
“ Recte enim Veritas Temporis Filia dicitur, non Auctoritatis.’’—Bacon. 
“* Multa in Majestate Nature latent.’?’—PLiny. 
LONDON: 
JOHN VAN VOORST, PATERNOSTER ROW. 
MDCCCLII. 
