[ 11 ] 
Presents. 
the Instruments and Methods of Observations employed there. 4to. Dub- 
lin 1842. 
LONGO (Agatino.) Elementi di Filosofia Naturale. 8vo. Napoli 1841. 
LOUYET (M.) Notice sur un nouveau mode de orage des Metaux, par 
voie humide et courant voltaique. 8vo. Bruxelles. 
LOUYET (P.) Memoire sur l’absorption des Poisons Metalliques par les 
Plantes. 12mo. Bruxelles 1841. 
MANUSCRIPT. 
Tidal Observations at Liverpool in 1834, exhibiting the instant of high and 
low water-periods ; the whole vertical range throughout springs and neaps, 
and the detecting the half-tide level at the 3rd hour before and after each 
high water; by Captain Henry Mangles Denham, R.N., F.R.S., &c. (MS.) 
Folio. 
MAPS AND CHARTS. 
Admiralty Charts in continuation for the year 1841. 
Atlantic Steam Packet Chart, showing the line of communication with North 
America and t.he West Indies, &c., by James Wyld, Esq. Large Sheet. 
London 1842. 
Ground-plan and longitudinal Section of the Canal from the Danube to the 
Maine. Four Sheets. 
Map to illustrate the War in China, compiled from Surveys and Sketches by 
British Officers and other information ; by James Wyld, Esq. Large Sheet. 
London 1842. 
Ordnance Map in continuation of the Trigonometrical Survey of Great Bri- 
tain ; Sheets Nos. 77, 78, and 87. Folio Sheets. 
MENABREA (L. F.) Calcul de la Densite de la Terre suivi d’un memoire sur 
un cas special du mouvement d’un pendule. (From the Memoirs of the 
Turin Academy, Vol. II. Second Series.) 4to. Turin. 
MODEL. 
Model intended to represent the double Spiral constituting “ Fibre,” and more 
particularly the muscular “ Fibril ” as described in a paper read before the 
Royal Society, 16th December 1841 ; by Dr. Martin Barry, F.R.S. 
MOOR (Edw.) Bealings Bells. An Account of the mysterious ringing of 
bells at Great Bealings, Suffolk, in 1834, and in other parts of England. 
12mo. Woodbridge 1841. 
MOUNTAINE (Dydymus.) The Gardener’s Labyrinth ; printed in black let- 
ter in the year 1578, containing an autograph of R. Farmer. 4to. London 
1578. 
MUDGE (W.) and FRAZER (G. Alex.) Sailing Directions from the North- 
East, North, and North-West Coasts of Ireland. 8vo. London 1842. 
MURCHISON (R. I.) Address delivered at the Anniversary Meeting of the 
Geological Society of London, 18th February 1842. 8vo. London 1842. 
Address delivered on the first meeting of the Dudley 
and Midland Geological Society, January 17, 1842. 8vo. London 1842. 
NEWMAN (F. W.) The difficulties of Elementary Geometry, especially those 
which concern the straight line, the plane, and the theory of parallels. 8vo. 
London 1841. 
b 2 
Donors. 
The Author. 
The Author. 
The Author. 
Sir JohnW. Lubbock, Bart., 
Y.P. and Treas. R.S. 
The Lords Commissioners 
of the Admiralty. 
The Publisher. 
The Royal Commission of 
Public Works at Munich. 
The Publisher. 
The Master-General of the 
Ordnance. 
The Author. 
Dr. Martin Barry, F.R.S. 
The Author. 
S. Hunter Christie, Esq., 
Sec. Royal Society. 
The Lords Commissioners 
of the Admiralty. 
The Author. 
The Author, through the 
Rev. B. Powell, M.A., 
F.R.S. 
