[i8 99 .] 



80 



PIRSSON, L. V. On the Phenocrysts of Intrusive Igneous Rocks. Am. Journ. 



Sci. ser. 4, vii. pp. 271-280. 1899. 

 . See Weed, W. H. 



PITTMAN, E. F. Geological Survey of N.S.W., and Reports of the Government 

 Geologist. Ann. Bep. Dep. Mines N.S.W. 1898, pp. 147-157, 161-164, figs., 

 4 pis. [Map.] 1899. 



2. Notes on the Geology and Mineral Deposits of Portions of Western Aus- 

 tralia. Bee. Geol. Surv. N.S.W. vi. pp. 1-17. 1898. 



3. Note on the Geology of the Hill End Goldfield. Ibid. pp. 81-82. 1899. 



. See David, T. W. E. 



PLUMMER, W. E. See Milne, J. 



PLUNKETT, T. Further Exploration of the Fermanagh Caves. Rep. Brit. Assoc, 



1898, p. 885. 1899. 

 POLLARD, W. See Clough, C. T. 



POLLEN, G. C. H. Further Exploration of the Ty Newydd Cave, Tremeirchion, 

 North Wales. Rep. Brit. Assoc. 1898, pp. 884-885. 1899. 



POMEL, A. (the late). Carte geologique de lAlgerie. Paleontologie. Mono- 

 graphies. Singe et Homme. Pp. 1-34, pis. i-viii. 4to. Algiers, 1897. 



2. . Les Equides. Pp. 1-44, pis. i-xii. 4to. Algiers, 1897. 



3. . Les Ovides. Pp. 1-33, pis. i-xiv. 4to. Algiers, 1898. 



. See Obit., Ficheue, E. 



, & J. Potjtanne. Rapport sur les Travaux du Service geologique de- 



l'Algerie pour l'Annee 1897. [Abstract.] Ann. Mines, Baris, ser. 9, xv. pp. 186- 

 204. 1899. 



POMPECKJ, J. F. Note sur quelques Ammonites du Sinemurien du Portugal. 



Comm. Dir. Trab. geol. Bortugal, iii. pp. 210-238, figs., 1 pi. 1898. 

 — — 2. Leber Jura auf Franz-Josef -Land. Zeitsclir. deutsch. geol. Gesellsch. li. 



Yerh. pp. 2-10. 1899. 

 PORRO, C. Rocce granitoidi della Val Sassina. [Grigna Mts.J Bendie. B. 1st. 



lamb. ser. 2, xxxi. pp. 1052-1064. 1898. 

 PORTA, V. A. Nuovi Chelonii fossili del Piacentino. Biv. ital. Baleont. Bologna, 



iv. pp. 105-122, pi. iii. 1899. 

 PORTER, D. See Newell, F. H., &c. 



PORTIS, A. Di alcune Specie di Mammiferi del Pliocene sup. dell' Eta del Deposito 

 Lignitico di Leffe. Boll. Soc. geol. ital. xvii. pp. 244-252. 1898. [See Taka- 

 melli, T.] 



2. Avanzi di Tragulidi Oligocenici nelT Italia Settentrionaie. Ibid, xviii, 



pp. 4-14, figs. 1899. 

 3. Una nuova Specie di Rinoceronti fossile in Italia ? Ibid. pp. 116-131, 



pi. v. 1899. 



POSEWITZ, T. Die geologischen Verhaltnisse des oberen Taraczthales. (Kiraly- 



mezo und Umgebung.) Jahresb. Tc.-ung. geol. Anst. 1897, pp. 34-49. 1899. 

 POSKIN, A. Compte-rendu du Congres international d'Hydrologie, de Climatologie 



et de Geologie de Clermont-Ferrand. Bull. Soc. beige Geol. Brux. x. Broces- 



verb. pp. 152-172. 1899. 

 POSSELT, H. J. Brachiopoderne i den Danske Kridtformation. Dan. geol. 



Undersog. ser. 2, no. 4, pis. i-iii. 1895. 

 POTONIE, H. Lehrbuch der Pfianzenpalaontologie mit besonderer Riicksicht auf 



die Bedurfnisse des Geologen. Pp. i-viii, 1-402, figs., 3 pis. 8vo. Berlin, 1899. 

 2. Ueber eine Carbon-Landschaft. Erlauterungen zu einer neuen WandtafeL 



Zeitsclir. deutsch. geol. Gesellsch. 1. Brotok. pp. 110-127, figs. 1899. 

 POUYANNE, J. See Pomel, A. 



POYARD, C. Vie et Travaux de Joseph-Chaeles-Hippolyte Ceosse. Pp. 1-62. 

 8vo. Paris, 1899. 



, & H. Fischee. Hippoltte Ceosse. [Obit.] Journ. Conch, xlvii. pp. 5- 



27, 1 pi. 1899. 



PRAGNER, H. Riqueza Mineral do Estado da Bahia.—O Diamante. Bev. Inst. 



geogr. $ hist. Bahia, vi. pp. 57-99. 1899. 

 PRATO, A. del. Sulla Presenza del Genere Burtinopsis nel Pliocene Italiano. 



Biv. ital, Baleont. Bologna, iv. pp. 127-134. 1899. 

 . See Hidden, W. E. 



PRATT, J. H. On the Occurrence, Origin, and Chemical Composition of Chromite* 



Am. Journ. Sci. ser. 4, vii. pp. 281-286. 1899. 

 2. On the Separation of Alumina from Molten Magmas, and the Formation of 



Corundum. Ibid. viii. pp. 227-231. 1899. 

 3. On the Crystallography of the Rubies from Macon County, North Carolina. 



Ibid. pp. 379-381, figs. 1899 ; Min. Mag. xii. pp. 150-151, pi. i. 1899. [See 



JUDD, J. W., &C.] 



