[ >4 ] 
Presents. 
KUPFFER (A.) Annuaire Magnetique et Meteorologique du Corps des 
Ingenieurs des Mines de Russie. 4to. St. Petersbourg 1842. 
LADD (W.) An Essay on a Congress of Nations, for the adjustment of inter- 
national disputes without resort to Arms. 8vo. London 1840. 
LAMONT (Dr.) On the Magnetic Observations of the Royal Astronomical 
Observatory at Munich. 4to. Munchen 1841. 
Determination of the Horizontal Intensity of Terrestrial 
Magnetism. 4to. Munclien 1842. 
LARREY (M. le Baron.) Memoire sur l’Extirpation des Glandes Salivaires 
(la parotide et la sous-maxillaire), necessitee par l’engorgement scrofuleux 
et squirreux de ces glandes. 4to. Paris 1841. 
LE COUTEUR (Col.) On the Use of the great Jersey Trench Plough, ex- 
hibited at the Society’s Annual Meeting,- in July 1841. 8vo. London 
1842. 
On the Culture of the Parsnip. 8vo. London 1840. 
On Hoeing Wheat. 8vo. London. 
On the Varieties, Properties, and Classification of 
Wheat. 8vo. Jersey. 
■ Prize Essay. On pure and improved Varieties of 
Wheat lately introduced into England. 8vo. London 1839. 
LEE (Isaac.) Observations on the genus Unio, together with descriptions of 
new specie's in the families Naiades, Colimacea, Lymnaeana, Melaniana and 
Peristomiana. Vol. III. 4to. Philadelphia 1842. 
Description of Nineteen new Species of Colimacea. 4to. 1840. 
LETHEBY (FI.) An Account of the Dissection of a Gymnotus Electricus. 
8vo. London 1842. 
LE VERRIER (U. J.) Memoire sur les Variations Seculaires des Elements 
des Orbites, pour les sept Planetes principales, Mercure, Venus, la Terre, 
Mars, Jupiter, Saturne et Uranus. 8vo. Paris 1839. 
Memoire sur la Determination des Inegalites Secu- 
laires des Planetes. 8vo. Paris 1840. 
Developpements sur plusieurs points de la Theorie des 
Perturbations des Planetes. No. 1 a 3. 4to. Paris 1841. 
LITTROW (C. L. von.) Annals of the Royal Observatory of Vienna. Vol. XXL 
New Series. 4to. Wien 1841. 
LLOYD (Rev. H.) On the Determination of the Intensity of the Earth’s Mag- 
netic Force in absolute measure. 4to. Dublin 1843. 
Account of the Induction Inclinometer and of its adjust- 
ments. 8vo. London 1842. 
LOCKHART (James.) Resolution of Equations by means of inferior and 
superior Limits. 4to. London 1842. 
LONGCHAMPS (E. de Selys.) Faune Beige, l >e partie, indication methodique 
des mammiferes, oiseaux, reptiles et poissons observes jusqu'ici en Belgique. 
8vo. Liege 1842. 
LITTON (Victor.) Voyage en Islande et au Greenland execute pendant les 
annees 1835 et 1836 sur la corvette la Recherche. 8vo and folio. Paris 
1840. 
.M c WILLI AM (J. O.) Medical History of the Expedition to the Niger during 
the years 1841-2, comprising an account of the Fever which led to its 
abrupt termination. 8vo. London 1843. 
Donors. 
The Russian Minister of 
Finances. 
Dr. John Lee, F.R.S. 
The Author. 
The Author. 
The Author. 
The Author. 
Dr. Pereira, F.R.S. 
The Author. 
The Author, 
The Author. 
The Author. 
The Author. 
The Author. 
The Author, through Sir 
Wm. Burnett, Knt., F.R.S. 
