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Presents. Donors. 



SCHAFHAUTL (Dr.) Die Geologie in ihrem Verhaltnisse zu den iibrigen The Author. 



Naturwissenschaften. 4to. Miinchen 1843. 

 SCHEERER (Dr.) Ober den Norit und die auf der Insel Hitteroe in dieser The Author. 



Gebirgsart vorkommenden mineralienreichen Granitgange. fol. 1844. 

 SIMMS (F. W.) Practical Tunnelling. 4to. London 1844. The Author. 



SIMON (J.) A Physiological Essay on the Thymus Gland. 4to. LondonlMS. The Author. 

 STARK (Jas., M.D.) On the Nature of the Nervous Agency. Svo. The Author. 



STRUVE (O.) Observations Meteorologiques faites a Nijne-Taguilsk en 1842. The Author, 



8vo. Paris 1843. 

 Determination des Positions Geographiques de Novgorod, 



Moscou, Riazan et Lipetsk. 4to. St. Pitersbourg 1843. 

 STRUVE (F. G. W.) Expedition Chronom^trique executee par ordre de sa The Author. 



Majeste Nicolas 1" entre Poulkova et Altona, pour la Determination de la 



Longitude geographique relative de I'observatoire central de Russie. fol. 



St. Petersbourg 1844. 

 STURGEON (W.) On some peculiarities in the Magnetism of ferruginous The Author. 



bodies. 8vo. Manchester 1845. 

 TIBERGHIEN (Guillaume). Essai Th6orique et Historique sur la Generation The Author. 



des Connaissances humaines dans ses Rapports avee la Morale, la Politique 



et la Religion. Svo. Bruxelles 1844. 

 WEBSTER (Dr. J.) Report of the Royal Hospitals of Bridewell and Bethlem The Author. 



for 1844. Svo. London 1845. 

 WILLICH (C. M.) Annual Supplement to Tithe Commutation Tables for The Author. 



1845. Svo. London 1845. 

 YATES (James.) On the Use of the terms Acanthus, Acanthion, &c. Svo. The Author. 



London 1845. 

 ZANTEDESCHI (F.) Del Trasporto della Materia pesajite nelle due opposte Th« Author, 



correnti dell' Apparato Voltiano. 4to. Vicenza 1844. 



MDCCCXLV. 



