[1907.] 



98 



PHILIPPI, E. 3. Ueber junge Intrusionen in Mexiko imd ilire Beziehungen zur 



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 PHLEPS, 0. Ueber das Skelett eines weiblichen Bison prisons, Boj., sowie andere 



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Naturto. Ivi. pp. 1-44, pis. i-x. 1907. 

 PICARD, E. Erwiderung. [Zur Kenntniss der obersten Saaleterrasse, Naumburg 



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 . See also Naumann, E. 



PICKERING, W. H. Lunar and Hawaiian Physical Features compared. Mem. 



Am. Acad. Arts ^ Sci. xiii. pp. 149-179, figs., pis. ix-xxiv. 1906. 

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. See also India, Dep. Mines. 



PIETTE, L. E. S. out.— See Fischer, H. 



PILGRIM, G. E. Description of some New Suidae from the Bugti Hills (Balu- 



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 PIRSSON, L. V. /See Cross, W., 3. 



, & H. S. Washington. Contributions to the Geology of New Hampshire. — 



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 PITTMAN, E. F. Note on the Occurrence of Precious Opal at Tooraweanah, 



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1907. 



. See also New South Wales, Dep. Mines. 



PJETURSSON, H. Om Islands Geologi. Meddel. dansTc. geol. Foren. no. 11, 



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 PLIENINGER, F. Die Pterosaurier der Juraformation Schwabens. Palceonto- 



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 POHLIG, H. Eine alte Mundung der Maas bei Bonn ? Zeitschr. deutsch. geol. 



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 POLLARD, W. See Great Britain, Geol. Surv., 1 & 2; Reid, C, 1 & 2; 



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POLYENOV, B. K. Description geologique de la Partie Sud-Ouest de la 15*^°^® 



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 POMPECKJ, J. F. Notes sur les Oxynoticeras du Sinemurien superieur du 



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PONI, P. Recherches sur la Composition Chimique des Petroles roumains. Ann. 



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 POOLE, H. S. The Application of Science to Mining. Proc. Sf Trans. N.S. Inst. 



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A.C. 



POPOV, S. p. Etudes sur les Mineraux de la Crimee. Celestine. Bull. Soc. 



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 2. Phosphates cristallins des Bords du Detroit de Kertch. [In Russian.] 



Bull. Acad. Imp. Sci., St. Petersb. ser. 6, 1907, pp. 127-140. 1907. 



