14-6 ADDITIONS TO THE LIBEAEr. 



Partsch, J. Die Gletscher der Yorzeit in dem Karpathen nnd den 

 Mittelgebirgen Deutschlands. 8vo. Breslau, 1882. Purchased. 



Peacock, E. A. Saturated Steam the Motive Power in Volcanoes and 

 Earthquakes. 2nd edition with supplement. 8vo. London, 

 1882 & 1883. 



. . Supplement. 8vo. Loudon, 1883. 



Penck, Albrecht. Die Yergletscherung der deutschen Alpen, ihre 

 Ursachen, periodische Wiederkehr und ihre Einnuss auf die Boden- 

 gestaltuug. 8vo. Leipzig, 1882. Purchased. 



Penck, A. Schwankuugen des Meeresspiegels. 8vo. Munich, 



1882. 



Persia, Eastern. An Account of the Journeys of the Persian Boundary 

 Commission, 1870, 71, 72. 2 vols. By Sir E. J. Goldsmid, 0. B. 

 St. John, B. Lovett, E. Smith, and W. T. Blanford. 8vo. London, 

 1876. Purchased. 



Petzholdt, Alexander. Beitrag zur Kenntniss der Steinkohlenbildung 

 nebst Kritik des Werkes von P. P. Reinsch : neue TJntersuchuugen 

 iiber die Mikrostruktur der Steiukohle des Carbon, der Dyas und 

 Trias. 8vo. Leipzig, 1882. Purchased. 



Postlethwaite, J. Mines and Mining in the Lake District. 8vo. 

 Leeds, 1877. 



Prestwich, J. Note et observations theoriques sur la plage soulevee 

 de Sangatte. 8vo. Paris, 1880. 



. On a Raised Beach in Rhos Sili Bay, Gower ; also on the 



Geological Evidence of the temporary Submergence of the South- 

 west of Europe during the early Human Period. 8vo. London, 

 1881. 



On a peculiar Bed of Angular Drift on the Lower-Chalk 



high Plain between Upton and Chilton. 8vo. London, 1882. 



. On the Occurrence of the Cyrena fluminalis at Summertown, 



near Oxford. 8vo. London, 1882. 



. Some Observations on the Causes of Volcanic Action ; also 



on the Strata between the Chillesford Beds and the Lower 

 Boulder Clay, "The Mundesley and Westleton Beds." 8vo. London, 



1881. 



Pumpdly, R. Northern Transcontinental Survey. Eirst Annual 

 Report. 8vo. New York, 1882. 



Punjab. Official Correspondence regarding tbe Existence of Coal 

 and Iron in the Punjab. 8vo. 1859. Purchased. 



Purgold, A. Die Meteoriten des konigl. mineralogischen Museums. 



8vo. Dresden. 1882. 

 Pusch, G. G. Polens Palaontologie, oder Abbildung und Beschreibung 



der vorziiglichsten und der noch unbeschriebenen Petrefakten aus 



