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Presents. 
CAUCHY (A.) Exercices d’Analyse etde Physique Mathematique. Livr. 1 — 4. 
4to. Paris 1839. 
CHALLIS (J.) Astronomical Observations made at the Observatory of Cam- 
bridge. Vol. II. for 1838. 4to. Cambridge 1840. 
CHEVALIER (C.) Des Microscopes et de leur usage. 8vo. Paris 1839. 
COLLADON (D.) et STURM (C.) Memoire sur la Compression des Liquides 
et la Vitesse du Son dans l’Eau. 4to. Paris 1837. 
COULIER (M.) Description generate des Phares, Fanaux, et remarques ex- 
istant sur les plages maritimes du globe. 18mo. Paris 1839. 
DARWIN (Charles.) Journal and Remarks, 1832-36, during the Surveying 
Voyages of His Majesty’s Ships, Adventure and Beagle, describing their 
examination of the southern shores of South America. (Two copies.) 8vo. 
Lond. 1839. 
DAVIDSON (John.) Notes taken during Travels in Africa. 4to. Lond. 1839. 
DAVIES (John.) Selections in Pathology and Surgery, or an exposition of the 
Nature and Treatment of Local Disease. 8vo. Lond. 1839. 
DAVY (Sir Humphrey.) Elements of Agricultural Chemistry, in a Course of 
Lectures for the Board of Agriculture. 8vo. Lond. 1839. 
The collected Works of, edited by his brother, John 
Davy, M.D., F.R.S. Vols 1 — 6. 8vo. Lond. 1840. 
DAVY (John.) Researches, Physiological and Anatomical. 2 Vols. 8vo. Lond. 
1839. 
DAUBENY (Charles.) Sketch of the Geology of North America. 8vo. Oxford 
1839. 
Supplement to the Introduction to the Atomic Theory, 
prefaced by some Remarks on the projected Reforms in Academical Educa- 
tion. 8 vo. Lond. 1840. 
DAUSSY (M.) Table des Positions Geographiques des principaux Lieux du 
Globe. (De la Connaissance des Temps de 1842.) 8vo. Paris 1839. 
DELOLME. Commentaries on the Constitution and Laws of England ; edited 
by T. G. Western, Esq., F.R.A.S. 8vo. Lond. 1840. 
DEMIDOFF (A. de.) Voyage dans la Russie Meridionale et la Crimee. Tom. I. 
liv. 12-24, et Tome II. liv. 2-5. 8vo. Paris 1839-40. 
Plates. Liv. 2— 5. Folio. Paris 1839-40. 
DENHAM (H. M.) Sailing Directions for the Bristol Channel. 8vo. Lond. 1839. 
Sailing Directions from Point Lynas to Liverpool, with 
Charts, Coast Views, River Sections, Tidal Courses, and the Tide Gauge 
Table for navigating the Dee and Mersey. 8vo. Lond. 1840. 
D’ESPINE (M.) Essai Statistique sur la Mortalite du Canton de Geneve pen- 
dant l’annee 1838. 8vo. Paris 1840. 
DUMONT (A. H.) Rapport sur les Travaux de la Carte Geologique pendant 
l’annee 1839. 8vo. Bruxelles 1839. 
Tableaux Analytiques des Mineraux et des Roches. 4to. 
Bruxelles 1839. 
DUPIN (Charles.) Sur le Travail des Enfans qu’emploient les Ateliers, les Mines, 
et les Manufactures. 8vo. Paris 1840. 
DUTEIL (C.) Dictionnaire des Hieroglyphes. Tom. I. 4to. Bordeaux 1839. 
ENCKE (J. F.) Berliner Astronomisches Jahrbuch fur 1841. 8vo. Berlin 
1839. 
FARQUHARSON (Rev. James.) Temperature, &c., of 1839. Mean results of 
the Thermometer and quantity of rain fallen in 1839, at the Manse of 
Alford, 420 feet above the level of the sea, and twenty-six miles inland from 
Aberdeen. A leaf. (Two copies.) 
Donors. 
The Author. 
The Author. 
The Author. 
The Authors. 
The Author. 
The Author. 
T. Davidson, Esq. 
The Author. 
Dr. John Davy, F.R.S. 
The Author. 
The Author. 
The Author. 
The Editor. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author^ 
