Pictet, F. J., et E. Renevier. Cephalopodes de Cheville. 8vo. Lausanne et Paris, 1866. Presented by Mrs. W. J. Hamilton.
Ponzi, G. Societa in partecipazione per la Ricerca ed Escavazione dei Carboni Fossili nel Territorio di Tolfa. Rapporto Scientifico sui lavori eseguiti e sullo stato attuale delle Miniere. 4to. Roma, 1860. Presented by Mrs. W. J. Hamilton.
Portlock (Colonel). Continuation of a Memoir of the late Major- General Colby. Presented by Mrs. W. J. Hamilton.
Prado, C. de. Vadeon, Cain, la Canal de Terea. Ascension a los picos de Europa, en la cordillera Cantabrica. Presented by Mrs. W. J. Hamilton.
Prestwich, J. Memoire sur la Position Geologique des Sables et du Calcaire lacustre de Rilly (Marne). 8vo. Paris, 1853. Presented by Mrs. W. J. Hamilton.
—. On some New Facts in Relation to the Section of the Cliff at Mundesley, Norfolk. 8vo. 1860. Presented by Mrs. W. J. Hamilton.
—. On the Geological Position and Age of the Flint-implement bearing Beds, and on the Loess of the South-east of England and North-west of Prance. 4to. 1864. Presented by Mrs. W. J. Hamilton.
—. On the Loess of the Valleys of the South of England, and of the Somme and the Seine. 8vo. 1862. Presented by Mrs. W. J. Hamilton.
—. On the Occurrence of Flint Implements, associated with the Remains of Extinct Mammalia, in undisturbed Beds of a late Geological Period. 8vo. 1859. Presented by Mrs. W. J. Hamilton.
Quentin, C. An Account of Paraguay ; its History, People, and its Government. 8vo. 1865. Presented by Mrs. W. J. Hamilton.
Ramsay, A. C. Sir Charles Lyell and the Glacial Theory of Lake- basins. 8vo. 1865. Presented by Mrs. W. J. Hamilton.
—. The Excavation of the Valleys of the Alps. 8vo. 1862. Presented by Mrs. W. J. Hamilton.
—. The Old Glaciers of Switzerland and North Wales. 8vo. 1859. Presented by Mrs. W. J. Hamilton.
Reeve, L. A Revision of the History, Synonymy, and Geographical Distribution of the Recent Terebratulae. Presented by Mrs. W. J. Hamilton.
—. On a new Species of Lymnoea from Thibet. Presented by Mrs. W. J. Hamilton.
