[1915-19-] 



228 



PREOBRAJENSKY, J. 4, C. Popoff, & A. WosnEsEnsky. Geological 

 Sketch of the Sultan-Uis-Dagh Mountains, Turkestan. [In Russian, 

 English summary.] Ann. de Inst. Polyt. Pierre le Grand, Petrograd, xxi. 

 pp. 375-433, 3 pis. [geol. map & sections]. 1914. A.C. 



PRESCOTT, B. Some Observations on Contact Metamorphic Ore Deposits. 

 Econ. Geol. x. pp. 55-69, figs, [plans]. 1915. 



2. The Main Mineral Zone of the Santa Eulalia District, Chihuahua. 



Trans. Am. Inst. M. E. li. pp. 57-99, figs, [map & geol. section]. 1916. 



PRESTON, H., & Trueman, A. E. Oolite Grains in the Upper Lias of Gran- 

 tham. Naturalist, 1917, pp. 217-218, figs. 1917. 



PRESTON, T. H. The Urals and their Mineral Wealth. Mining Mag. xiv. 

 pp. 197-201, figs, [topogr. map]. 1916. 



PRETTO, O. de. Sopra una grande forza tellurica trascurata. Nuovi 

 orizzonti per la Geologia. Boll. Soc. geol. ital. xxxiii. pp. 271-310, figs, 

 [diagrams]. 1914. 



PRETYMAN, F. R. Obit.— See Harker, A., 6. 



PREYER, P. L. Nummuliti ed Orbitoidi dei dintorni di Derna. Boll. Soc. 



geol. ital. xxxiii. pp. 229-270, pi. iv. 1914. 

 PRIDEAUX, E. B. R. The Effect of Sea-salt on the Pressure of Carbon 



Dioxide and Alkalinity of Natural Waters. Journ. Chem. Soc. exv. 



pp. 1223-1230. 1919. 

 PRIEM, F. Sur les Poissons fossiles des terrains Tertiaires sujuerieurs du Sud 



de la France. Bull. Soc. geol. France, ser. 4, xii. pp. 213-245, figs. & pis. 



vi-vii. 1912. 



2. Sur des Otolithes Eocenes de France et d'Angleterre. Ibid. xii. 



pp. 246-249, figs. 1912. 

 3. Sur des Poissons des terrains secondaires du Sud de la France. Ibid. 



xii. pp. 250-271, figs. & pis. viii-ix. 1912. 

 4. Sur les Poissons fossiles des Terrains tertiaires superieurs du Sud- 



Ouest de la France. Note complementaire. Ibid. xiv. pj). 118—131, 



figs. & pi. iii. 1914. 

 5. Sur des Otolithes de Poissons fossiles des terrains tertiaires superieurs 



du Sud-Ouest de la France. Ibid. xiv. pp. 244-278, figs. 1914. 

 — ■ — 6. Sur les vertebres du Cretace et de TEocene d'Egvpte. Ibid. xiv. 



pp. 366-382, figs. & pi. x. 1914. 

 7. Sur des Poissons des terrains secondaires du sud de la France (Note 



complementaire). Ibid. xvi. pp. 286-297, figs. & pi. viii. 1916. 

 . Obit. — See Woodwabd, A. S., 31. 



PRIEST, C. G., & W. Whyte. Notes on Mine Survey Records and Calculations. 



Trans. Inst. Mining 6c Metall. xxiii. pp. 400-416, pis. xxxi-xxxix. 1914. 

 PRIEST, S. Report of an Excursion to Greenhithe and Stone. Proc. Geol. 



Assoc. xxvi. pp. 78-85, pi. x. 1915. 

 2. Report of an Excursion to Crockenhill. Ibid, xxvii. pp. 99-102, 



fig. [geol. section] & pi. xix. 1916. 

 ■ 3. Report of an Excursion to Eynsford and Hulbury. Ibid. xxix. 



pp. 29-31. 1918. 



4. Report of an Excursion to Plumstead and Bostall Heath. Ibid. 



xxx. pp. 82-86, pi. iii. 1919. 

 5. Report of an Exclusion to Greenhithe and Stone. Ibid. xxx. pp. 194- 



198. 1919. 

 ■ . See also Baker, H. A., 7. 



PRIESTLEY, C. H. The Utilization of Temporary Sources of [Water]- 



Supply in Times of Emergency. Trans. Inst. Water Eng. xxiv. pp. 92- 



105, pis. i-ii [plans]. 1919. 

 PRINCIPI, P. Alcune considerazioni sul Terziario dell' Umbria. Boll. 



Soc. geol. ital. xxxiii. pp. 311-320, figs. [geol. sections]. 1914. 

 — —2. Contributo alia Flora Messiniana di Stradella. Riv. ital. Paltont. 



xx. pp. 79-88. 1914. 

 — ■ — 3. Spugne perforanti fossili della Patagonia e di altre localita del terri- 



torio argentine Atti B. Ace. Lincei, ser. 5, Rendic. xxiv. sem. 1. pp. 341- 



347, pi. i. 1915. 



4. Alcune osservazioni sul loess del Territorio Argentino. Boll. Soc. 



geol. ital. xxxiv. pp. 219-224. 1915. 

 -5. Ammoniti del lias superiore dei Monti Martani (Umbria). Ibid. 



pp. 429-468, pis. xv-xvii. 1915. 

 PRINGLE, J. On Deep Borings for Coal and Ironstone at Bere Farm, 



Elham and Folkestone, Kent. Summ. Progr. Geol. Surv. Gr. Br. 1916, 



pp. 34-40. 1917. And A.C. 



