[1912.] 



120 



PIERS. H. On the Occurrence of Tin in Nova Scotia. Proc. $• Trans. N.S. Inst. 



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PIETZSCH, K. Eine Einfache Vorrichtung zum Systematischen Durchsuchen von 

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TILGRIM, G. E. Preliminary Note on a Revised Classification of the Tertiary 

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 1910. 



PILOTTI, C. Notizie geologiche sulle Tavolette di Oschiri e Nulvi. Boll. B. 



Com. geol. Ital. xlii. pp. xliii-xlv. 1911. And A.C. 

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geol. Ital. xlii. pp. 349-350. 1911. And A.C. 

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 . See also Lotti, B., 5. 



PILSBRY, H. A. Notes on some Pleurotomariida; of the Cretaceous of New Jersev. 



Proc. Acad. Nat. Sci. Philad. lxiii. pp. 534-535, fig. 1911. 

 . See also Drown, A. P., 2. 



PINA DE RUBIES, S. Estudio acerca de la Dunita Platinifera de los Urales. 



Rev. R. Acad. Cienc. Madrid, x. pp. 151-186, figs. Tgeol. sketch-maps]. 1911. 

 PIRSSON, L. V. See Cross, W., 2. 



P1TTIER, H. F. Kostarika: Beitrage zur Orographie und Hvdrographie. Peterm. 



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 PITTMAN, E. F. See Australia, Commonwealth of; $ New South Wales, 



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 . See also Evans, J. W., 6. 



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Zeitschr. f. Kri/st. xlviii. pp. 572-618, figs. 1911. 

 POGUE, J. E., & V. Goldschmidt. On Quartz from Alexander County (North 



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 POHLIG, H. Bovides Fossiles de l'ltalie. Bull. Soc. belg. Geol., Brux. xxv. 



Proc.-verb. pp. 311-322, figs. 1911. 

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Soc. belg. Geol., Brux. xxv. Proc.-verb. pp. 348-352. 1912. 

 POLAKOWSKY, H. See Fuenzalida, J. del C. 



POLJAK, J. Spuzivanje Brijega izmedju Poljanice i Popov-dola u Samoborskni 

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 POLUINOV, B. B. A propos de la ' Notice sur les Marais de l'Altai Oriental ' par 



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 PONTE, G. Studi sulla Eruzione "Etnea. Mem. R. Acc. Lined, ser. 5, viii. 



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Lincei, ser. 5, Rendic. xxi. sem. 2, pp. 209-216, tigs. 1912. 



