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tinens Mammalia, Echinodermata et Acalephas. Fasciculus 2, con- 
tinens Aves.—With several prospectuses. All the above from the 
Author, M. Louis Agassiz, Neuchatel, Switzerland. 
Recit d’une course faite aux Glaciers en hiver, par MM. Agassiz 
et Desor. From the Authors. 
Apercu general de la Structute Geologique des Alpes, par M. 
Studer; precede de quelques observations generales, par M. Desor. 
From the Author. 
Letter to Prof. Forbes concerning his alleged discovery of the 
“Jamellar structure of glaciers.” From the Author, M. Agassiz. 
Evolution of Light from the Living Human Species; by Sir 
Henry Marsh, Bart. M. D., M.R.J. A. Dublin, 1842. 
Lectures on Agricultural Chemistry and Geology. Part Il. By 
James F. W. Johnston, M. A., F. R. S. 
The Effects of a Lightning Flash on the steeple of Buxton 
Church, and observations on Lightning Conductors generally ; by 
Charles V. Walker, Sec. Lond. Elec. Soc. London, May 17th, 
1842. From the Author. 
On the Action of Lightning Conductors. London, July 19th, 
1842. 
Memoir on the difference between Leyden discharges and Light- 
ning Flashes; by Charles V. Walker. From the proceedings of 
the London Electrical Society. London, Dec. 20th, 1642. From 
the Author. 
Annuaire Magnetique et Meteorologique du corps des Ingenieurs 
des Mines de Russie, ou recueil des observations Magnetique et Me- 
teorologique faites dans l’entendre de |’empire de Russie, et publiees 
par Pordre de S. M. ’Empereur Nicolas I. Année, 1840-1842. 
Received March, 1843, from M. le Comte Cancrine, chef du corps 
des Invenieurs. 
Introduction to the Atomic Theory ; by Chas. Daubeny, M. D., 
Prof. Chem. Oxford, 1841. 
Elements of Agricultural Chemistry and Geology; by Prof. 
Johnson. Second edition. London. pp. 250, 12mo. From the . 
Author. 
Revue des Fossiles du Government du Moscow, par C. Fischer 
de Waldheim. No. 1, Belemnites. From the Author, forwarded 
by Charles Cramer, Esq. 
The British Quarterly Journal of Dental Surgery, edited by J. 
Robinson, Esq. London, March, 1843. From the Editor. 
Proceedings of the London Electrical Society. Session, 1842-3. 
Edited by the Secretary. April. From the Society. 
Received April, 1843, from Signor Giovanni Michelotti, Turin, 
the following works, viz. 
Brevi Cenni sullo condizione attuale della Sardigna, per l’Auv. 
Giovanni Michelotti. Torino, 1842. Ten copies. 
Cenni Statistici sopra la Ricovero di Mendicita di Torino Nell 
Anno, 1841. pp. 36. Two copies. 
