[ 9 ] 
Presents. 
GIRARDIN (J.) Observations sur I’Epuration et la Desinfection des Huiles 
de Poisson. 8vo. Rouen 184;!. 
Des Boissons salubres Economiques. 8vo. Rouen. 
Memoire sur les Os Anciens et Fossiles. 8vo. Rouen 1843. 
Technologie de la Garance. 8vo. Paris 1844. 
Nouvelles Experiences sur le Chaulage des Bles. 8vo. Rouen 
1845. 
Memoire sur les Puits Artesiens. 
Enquete sur le Cidre. 8vo. Caen 1846. 
Notices sur diverses questions de Chimie Industrielle. 8vo. 
Rouen 1847. 
HAIDINGER (W.) Naturwissenschaftliche Abhandlungen, gesammelt und 
durch Subscription herausgegeben. Erster Band. 4to. Wien 1847. 
HALDAT (Dr.) Sur I’Universalite du Magnetisme. 8vo. 
Deux Memoires sur le Magnetisme. 8vo. Nancy 1846. 
Histoire du Magnetisme dont les Phenomenes sont rendus 
sensibles par le Mouvement. 8vo. Nancy 1845. 
HAMEL (Dr.) Tradescant der Aeltere in Russland. 4to. St. Petersbourg 
1847. 
HAMILTON (Sir W. R.) Researches respecting Quaternions. 4to. Dublin 
1847. 
HARE (R.) Objections to the Theories severally of Franklin, Dufay and 
Ampere. 
HARRIS (Sir W. S.) Remarkable instances of the Protection of certain 
Ships of Her Majesty’s Navy from Lightning. 8vo. London 1847. 
HAUER (F. R. von.) Die Cephalopoden der Salzkammergutes. 4to. Wien 
1846. 
HAUGHTON (Sir Graves C.) A Dictionary, Bengali and Sanskrit, explained 
in English. 4to. London 1833. 
Prodromus, or an Enquiry into the First Prin- 
ciples of Reasoning. 8vo. London 1839. 
— Letter to the Right Hon. C. W. Wynn on 
the danger to which the Constitution is exposed from the encroachments of 
the Courts of Law. 8vo. London 1 840. 
HAUSMANN (J. F. L. von.) Bemerkungen iiber Gyps und Karstenit. 4to. 
Gottingen 1847- 
HERAPATH (J.) Mathematical Physics. 2 vols. 8vo. London 1847. 
HERSCHEL (Sir J. F. W.) Results of Astronomical Observations made at 
the Cape of Good Hope. 4to. London 1847. 
HEYMAN (J.) and MONESKA (J.) Enquete sur le Travail et la Condition 
Physique et Morale des Ouvriers employes dans les Manufactures de Coton, 
a Gand. 8vo. Gand 1845. 
HOGG (J.) On some Grecian Antiquities observed in Sicily. 8vo. London 
1847. 
HOMERSHAM (S. C.) Report of the Supply of Surplus Water to Manchester, 
Salford and Stockport. 8vo. London 1848. 
HUTCHINSON (G.) Memoranda on the construction of Arched Roofed 
Buildings. A sheet. 
Donors. 
The Author. 
The Editor. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Authors. 
The Author. 
The Author. 
The Author. 
MDCCCXLVIII. 
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