[ 8 ] 
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BOURNE (J.) A Treatise on the Screw Propeller. Part I. 4to. London 1851. 
BRODIE (Sir B. C.) Physiological Researches. 8vo. London 1851. 
’ BURG (Adam.) Compendium der popularen Mechanik und Maschinenlehre. 
Zweite Auflage. 8vo. Wien 1849. 
Supplement-Band 1850 mit Kupfertafeln. Oblong 4to. 
BURT (T. S.) A Metrical Epitome of the History of England prior to the 
reign of George the First. 8vo. London 1 852. 
CALLAUD (C.) Etudes sur I’Amendement des Terres. 8vo. 1851. 
CHEVREUL (M. E.) Premiere Note sur quelques propriety du Bleu de 
Prusse. 4to. Paris 1850. 
Sur la Presence du Plomb a I’etat d’Oxyde ou de Sel, 
dans divers produits artificiels. 4to. 
Recherches chimiques sur la Teinture, 6“® Mem. 4to. 
Paris 1844. 
Sur une classe particuliere de mouvements muscu- 
laires. 4to. 
De la nature et de la cause des Taches qui se pro- 
duisent sur des Etolfes de laine, &c. 4to. 
Considerations sur la reproduction, &c. des Images 
gravees, dessinees, ou imprirnees. 4to. 
Recherches experimentales sur la Peinture a I’huile. 
4to. Paris 1850. 
CONDER (F. R.) The Geognostic Pendulum ; or, an Inquiry into the Theory 
of the Pendulum Experiment. 8vo. London 1851. 
Letter to the President of the Royal Society on the Rota- 
tion of the Pendulum. 8vo. 1851. 
CULL (R.) Remarks on the Nature, Objects and Evidences of Ethnological 
Science. 8vo. London 1851. 
DANA (J. D.) On the Classification of the Cancroidea. 8vo. 1851. 
DARWIN (C.) A Monograph on the Fossil Lepadidse, or Pedunculated Cir- 
ripedes of Great Britain. 4to. London 1851. 
DAUBENY (C. G. B., Dr.) On the Nomenclature of Organic Compounds, &c. 
8vo. London 1851. 
On the Variation in the relative Proportion of Potash 
and Soda present in certain samples of Barley, grown in plots of ground 
artificially impregnated with one or other of these alkalies. 8vo. 
DAUSSY (M.) Table des Positions Geographiques des principaux lieux du 
Globe, pour 1854. 8vo. 
DE LA BECHE (Sir H. T.) Inaugural Discourse at the opening of the 
Government School of Mines. 8vo. London 1851. 
— Lecture on Mining, Quarrying and Metallur- 
gical Processes, &c. 8vo. 1851. 
DE LA RIVE (A.) A. P. DeCandolle, sa vie et ses Travaux. 8vo. Paris 
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DE MORGAN (A.) On some Points of the Integral Calculus. 4to. Cam- 
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■ A Short Account of some Recent Discoveries in England 
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8vo. London 185], 
Donors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Ethnological Society. 
The Author. 
The Author. 
The Author. 
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The Author. 
The Author. 
The Author. 
