81 



[i 9 oo.] 



POMPECKJ, J. F. 5. Bemerkungen zu Dr. P. Katzee's 1 Ueber die Grenze zwisclien 

 Cambrium und Silur in Mittel-Bohmen.' Verh. k.-Tc. geol. Beichsanst. 190Q, 

 pp. 301-306. 1900. 



6. Jura-Fossilien aus Alaska. Verh. russ.-Jc. min. Gesellsch. ser. 2, xxxviii. 



pp. 239-280, pis. v-vii. 1900. 

 PONI, P. Etudes sur les Mineraux de la Roumanie. Ann. Sci. Univ. Jassv, i. 



pp. 15-148. 1900. 



POPE, F. J. Investigation of Magnetic Iron-Ores from Eastern Ontario. Trans. 

 Am. Inst. M. ~E. xxix. pp. 372-405. 1900. 



POPOVICI-HATZEG, V. Contribution a FHistoire geologique des Carpatbes 

 roumaines. Etude geologique des Environs de Campulung et de Sinaia 

 (Roumanie). Pp. 1-220, figs. 8vo. Paris, 1898, & Geological Map, { Cam- 



pulung & Sinaia, & Torzburg (Transylvania).] 1899. 



2. Contribution a l'Etude de la Faune du Cretace superieur de Roumanie. 



Environs de Campulung et de Sinaia. Mem. Soc. geol. France (Faleont.) viii. 

 mem. 20, pp. 1-20, pis. xiv & xv. 1899. 



PORRO, C. Cenni preliminari ad un Rilievo geologico della Catena orobica dalia 

 Valsassina (Bergamo) al Monte Venerocolo. Bendic. B. 1st. Lomb. ser. 2, xxxii. 

 pp. 408-419. 1899. 



PORTIS, A. Di alcuni Pseudofossili esisteuti nello Istituto Geologico L niversitario 



diRoma. Pp. 1-7. 8vo. Rome, 1900. A.C. 

 2. Osservazioni stratigraficbe a proposito di alcune Lave della Vicinanza di 



Roma. Boll. Soc. geol. ital. xix. pp. 65-110. 1900. 

 3. Di una Formazione stagnale presso la Basilica ostiense di Roma e degli 



Avanzi fossili vertebrati in essa rinvenuti. Ibid. pp. 169-240, figs. 1900. 

 POSNETT, H. M. A Word on Geological Hypothesis. Geol. Mag. dec. 4. vii. 



pp. 298-302. 1900. 

 POSTLETHWAITE, J. See Mare, J. E. 



POSTLETHWAITE ; R. H. Gold- Dredging. [The Nature of the Drift in which 



the Gold occurs & Physiography of the Gold.] Pa-pers Rep. Min. <y Mining, 



N.Z., 1900, C 3, pp. 47-52. 1900. 

 POTONIE, H. Ueber das Vorkommen von Glossopteris in Deutsch- und Portu- 



giesisch-Ost-Afrika. Sitz. Gesellsch. naturf. Freunde, Berlin, 1899, pp. 27- 



28. 1899. 



■ 2. Zur Fossilen Flora Ost-Afrikas. Ibid. pp. 96-97. 1899. 



. See Boenhaedt, W., &c. 



POWER, F. D. The Mineral Resources of New Caledonia. Trans Inst. Mining 



Sf Metall. viii. pp. 426-469, pis. xxxix-xlii. 1900. And A.C. 

 PRATT, J. H. On the new Occurrences of Corundum in North Carolina. Am. 



Journ.Sci. ser. 4, x, pp. 295-298. 1900, _ 

 2. The Occurrence, Origin, and Chemical Composition of Chromite ; with 



Especial Reference to the North Carolina Deposits. Trans. Am. Inst. M. IE. 



xxix. pp. 17-39, figs. 1900. 

 PREISWERK, H. See Goldschmibt, Y. 



PRESTON, H. The Stone Curtain at Roxby, North Lincolnshire. Sci.-Gossip, 



n. s., vii. pp. 193-194, figs. 1900, 

 PRESTON, H. L. Illinois Gulch Meteorite. Am. Journ. Sci. ser. 4, ix. pp. 201- 



202, fig. 1900. 



2. Two new American Meteorites. [Luis Lopez (New Mexico) & Central 



Missouri.] Ibid. pp. 283-286. 19J0. 

 3. New Meteorite from Oakley, Logan County, Kansas. Ibid. pp. 410-412. 



1900. 



PRESTWICH, Lady. See Obit., Whitakee, W. 

 PPJNZ, W. See Stuebel, A. 



PRIOR, G. T. On Hamlinite, Florencite, Plumbogummite (Hitchcockite), Beu- 



dantite and Svanbergite, as Members of a Natural Group of Minerals. Min. 



Mag. xii. pp. 249-254. 1900. [See also Miees, H. A.j . 

 2. iEgirine and Riebeckite, Anorthoclase-Rocks related to the ' Grorudite- 



Tinguaite ' Series, from the Neighbourhood of Adowa and Axum, Abvssinia. 



Ibid. pp. 255-273, pi. iii. 1900. 

 . 3. Petrographical Notes on the Rock-Specimens collected in the Little Island 



of Trinidad, S. America, by the Antarctic Expedition of 1839-43, under Sir 

 . James Claek Ross. Min. Mag. xii. pp. 317-323. 1900. 



. See Htjssak, E. ; also Whitakee, VV. 



PRITCHARD, E. See Obit., Anon. 25. 



PROSSER, C. S. Gas- Well Sections in the Upper Mohawk Vallev and Central New 

 York. Am. Geol. xxv. pp. 131-162. 1900. 



Gt 



