PON— POS 



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Ponzi (Giuseppe). Catalogo ragionato di una collezione di materiali da 

 construzione e di marmi da decorazioni dello Stato Pontificio . . . per 

 la Esposizione universale di Londra dell' anno 1862. (Tract.) 



4to. Borne, 1862. 



. II periodo glaciale e I'antichita dell' uomo. (Tract.) 



4to. Rome, 1865. 



. Storia naturale dell' Agro pontine. (Tract.) 8vo. Rome, 1865. 



. La Tuscia romana e la Tolt'a. (Tract.) 4to. Rome, 1877. 



. Le acque del bacino di Eoma. (Tract.) 8vo. Rome, 1879. 



Poole (Francis). Queen-Charlotte Islands, a narrative of discovery and 

 adventure in the North Pacific. 8vo. London, 1872. 



Poole (Henry S.). See Eeports, Colonial. Nova Scotia. 

 Poole (Reginald Stuart). The Grenesis of the Earth and of Man. 



12mo. Edinburgh, 1856. 



Pooley (Charles). Notes on Calmsden Cross [Gloucestershire]. (Tract.) 



8vo. Gloucester, 1861. 



Pope (John). Eeport of an Exploration of the Territory of Minnesota. 



(Tract.) 8vo. Washington, 1850. 



Popoff (Alexander). Teopia BdHt Wave Theory. (Tract.) 



4to. Kasan, 1868., 



Porcupine Expedition. Preliminary Eeport of the Scientific Exploration 

 of the Deep Sea in H.M. Surveying-vessel ' Porcupine,' during the 

 summer of 1869, conducted by Dr. Carpenter, J. Gwvn Jeffreys, and 

 Prof. Wyville Thomson. (Tract.) 8vo^ London, 1870. 



. See DuifCAiq" (Peter Martin). 



Porta (Leonardo). Soluzione di un problema importantissimo in geo- 

 logia, ed esame del flusso e riflusso del mare. (Tract.) 



8vo. Naples, 1839. 



Portal (Erederic de). An essay on Symbolic Colours, in antiquity, the 

 middle ages, and modern times. Translated, with notes, by W. S. 

 Inman. 4to. London, 1845. 



Porter (Henry). The Geology of Peterborough and its vicinity. 



8vo. Peterborough, 1861. 



Porter (Thomas C). See Sueyeys : United States. 



Portlock (J. E.). Eeport on the Geology of the county of Londonderry 

 and of parts of Tyrone and Fermanagh. (Ordnance Geological 

 Survey.) 8vo. Dublin and London, 1843. 



— — . A rudimentary Treatise on Geology. 2nd edition. 



12mo. London, 1853. 



. Memoir of the late Major-General Colby, with a sketch of the 



origin and progress of the British Trigonometrical Survey. (Tract.) 



8vo. London. 



— . Continuation of Memoir of the late Major-General Colby, with a 

 sketch of the origin and progress of the British Trigonometrical 

 Survey. (Tract.) 8vo. London* 



. See MiLiTAET Seiences. 



Posada (Clemente Barrial). Estudio geologico de la region aurifera de 

 Tacuarembo que comprende los distritos de Taguari, de los Corrales y 

 de Cuiiapiru. (Tract.) 2 copies. 4to. Paris and Montevideo, 1878* 

 Postlethwaite ( J ohn). Mines and Mining in the Lake-district. (Tract.) 



8vo. Leeds, 1877. 

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