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Presents. 
REDFIELD (W. C.) On the First Hurricane of September 1853, in the At- 
lantic, &c. 8vo. 
REMAK (R.) Untersuchungen liber die Entwickelung der Wirbelthiere. 
Lief. 1, % 3. fob Berlin 1850, 1851, 1855. 
ROBIN (E.) Causes generales de la Vieillesse, de la Mort senile, &c. 8vo. 
Paris 1854-. 
Precis elementaire de Chimie generale, &c. 2me partie. lereca- 
hier. 8vo. Paris 185-4. 
L’Albuminurie dans ses Rapports avec I’Hematose. 8vo. Paris 
1854. 
ROBINSON (G.) On Electro-Lithotrity ; or the Application of the Mecha- 
nical Force of the Electrical Discharge to the Disintegration of Stone in the 
Bladder, ^to. London 1855. 
ROBINSON (Rev. T. R.) Experimental Researches on the Lifting Power of 
the Electro-magnet. Part 2. 4to. Dublin 1854. 
ROYLE (J. F.) The Fibrous Plants of India fitted for Cordage, Clothing and 
Paper, &c. 8vo. London 1855. 
SAVOYEN (L.) Nouvelles Etudes Philosophiques sur la Degeneration phy- 
sique et morale de I’Homme. 8vo. Paris 1854. 
SCHLAGINTWEIT (Adolph and Hermann). Neue Untersuchungen liber 
die Physicalische Geographic und die Geologic der Alpen. 4to. Leipzig 
1854. 
Atlas, fob Leipzig 1854. 
SCHMIDT (C.) Die Salzquellen zu Staraja-Russa, u.s.w. 8vo. Dorpat 1854. 
SCHONEMANN (F.) Ueber die Beziehungen welche zwischen den Wurzeln 
irreductibiler Gleichungen stattfinden. 4to. Wien 1853. 
Von der Empfindlichkeit der Briickenwagen. 4to. Wien 
1853. 
SCHOOLCRAFT (H. R.) Summary Narrative of an Exploratory Expedition 
to the Sources of the Mississippi River, in 1820, &c. 8vo. Pliilad. 1855. 
SCHULTZE (M. S.) Uber den Organismus der Polythalamien, &c. fob 
Leipzig 1 854. 
SHADWELL (Capt. C. F. A.) Notes on the Management of Chronometers 
and the Measurement of Meridian Distances. 8vo. London 1855. 
SIBSON (F.) Medical Anatomy. Fasc. 1. fob London. 
SILJESTROM (P. A.) Afhandlingar i Fysika och Filosofiska Amnen. Fdrsta 
Hiiftet. 8 VO. Stockholm 1854. 
SITGREAVES (Capt. L.) Report of an Expedition down the Zuni and Colo- 
rado Rivers. 8vo. Washington 1853. 
SMEE (A.) An Introductory Discourse on the Objects and Advantages of 
Educational Lectures, &c. 8vo. London 1854. 
SMITH (C. R.) Notes on some of the Antiquities of France, &c. 8vo. London 
1855. 
SOLLY (E.) On the Mutual Relations of Trade and Manufactures. 8vo. Lon- 
don 1855. 
SPRENGER (A.) A Catalogue of the Arabic, Persian and Hindustany Manu- 
scripts of the libraries of the King of Oudh ; compiled under the Orders 
of the Government of India. 8vo. Calcutta 1854. 
Donors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Authors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The United States Govern- 
ment. 
The Author. 
The Author. 
The Author. 
The Directors, Hon. East 
India Company. 
