225 



[1915-19-] 



PONTE, G. Ricerche sulle esalazioni dell' Etna. Atti R. Acc. Lincei, ser. 



5, Bendic. xxiii. sem. 2, pp. 341-347, 402-411. 1914. 

 2. Le fumarole a tenorite ed a cloruri alcalini nella lava dello Stromboli. 



Ibid. xxvi. sem. 1, pp. 641-646, fig. 1917. 

 3. L'Anidrite nei blocchi trascinati dalla lava dello Stromboli. Ibid. 



xxvi. sem. 2, pp. 348-350. 1917. 

 PONTE, G. M. da. Biogr. — See Taramelli, T., 9. 



PONTOPPIDAN, H. Verslag van een reis naar het eiland Enggano. 

 Jaarb. Mijnw. Ned. O.-Ind. xlii. pp. 36-38, pi. viii [geol. sketch-map]. 

 1915. 



2. Verslag over de aardbeving op 26 Juni 1914 in de Residentie 



Benkoelen. Met naschrift : de meest geteisterde plaatsen in verband 

 met de terreinformatie door S. Snuijf. Ibid, xliii. pt. 2, pp. 78-89, 

 figs. & pis. v— vi [earthq.-maps]. 1915. 



POOLE, H. H. On the Dielectric Constant and Electrical Conductivity of 

 Mica in Intense Fields. Lond. Edinb. Dubl. Phil. Mag. ser. 6, xxxii. 

 pp. 112-129, figs. 1916. 



2. On the Temperature Variation of the Electrical Conductivity of Mica. 



Ibid, xxxiv. pp. 195-204. 1917. 



POOLE, H. S. Obit. — See Anon., 70. 



POPA, D. E. Uber die Bestimmung von Jod und Brom in Soolen aus 

 Erdollagerstatten. Bull. Sect. Sci. Acad. Roumaine, iv. pp. 308-317, 

 fig. 1916. 



POPOFF, C. See Preobrajensky, J., 4. 



POPOVICI, Olga R. S. Cristaux de Natrolite de Alzstein (Hesse). Bull. 



Sect. Sci. Acad. Roumaine, iii. pp. 147-157, fig. 1914. 

 PORLEZZA, C. Snl solfato ammonico-magnesiaco (cerbolite). I. — 



Solubilita, curva ghiaccio, e punto crioiclratico. Atti R. Acc. Lincei, 



ser. 5, Rendic. xxiii. sem. 2, pp. 509-513, 596—599, fig. [diagram]. 1914. 

 PORRO, C. Geology of the Country near Ngahlaingdwin, Minbu District, 



Burma. With Geological Map by C. Porro and R. Lewer, and with 



Footnotes and Appendix by G. de P. Cotter. Rec. Geol. Surv. 



India, xlv. pp. 249-270, pis. xxv-xxvi [geol. map & sections]. 1915. 

 PORRO, F. Primi studi topografici sul ghiacciaio del Miage. Boll. Com. 



glaciol. ital. no. 1, pp. 31-44, figs. & 1 pi. [map]. 1914. 

 2. Notizia preliminare sui lavori eseguiti nel 1917 intorno al ghiacciaio 



di Valle Anzasca. Ibid. no. 3, pp. 16-17. 1919. 

 3, & C. Somigliana. Ghiacciaio di Macugnaga. Boll. Com. glaciol. 



ital. no. 3, pp. 187-190. 1919. 

 PORTER, E. A. See Follansbee, R., 4 db 5 ; & Henshaw, F. F., 2. 

 ■ , & R. W. Davenport. The Discharge of Yukon River at Eagle, Alaska. 



Water-Supply Papers, U.S. Geol. Surv. no. 345, pp. 67-77, figs, [map & 



diagram] & pis. iv— v. 1914. 

 2, H. D. McGlashan, F. F. Henshaw, & G. C. Baldwin. Surface 



Water Supply of the United States, 1913. Part X. — The Great Basin. 



Water-Supply Papers, U.S. Geol. Surv. no. 360, pp. 1-293, fig. [diagram] 



& pis. i-ii. 1916. 



PORTER, J. B., S. L. Brunton, & Others. An Investigation of the Coals 



of Canada. Weathering of Coal. Canada Dep. Mines, Mines Branch, 



no. 338, pp. i-xii, 1-194, figs, [diagrams], tables i-lxi, & j)ls. i-vi. 1915. 

 PORTIS, A. I primi avanzi di quadrumani del suolo di Roma. Boll. Soc. 



geol. ital. xxxv. pp. 239-278. 1916. 

 2. 11 rinvenimento di Ovis antiqua, Pommerol, in territoiio di Roma. 



Ibid, xxxvi. pp. 223-322, pi. x. 1918. 

 PORTOCARRERO, J. N. Informe sobre los trabajos dc la Comision de 



Irrigacion do Piura. Bol. Ing. Minas, Peru, no. 55, pp. i-vii, 1-46, 



figs. & 4 pis. [maps]. 1907. 

 1. Informe sobre el Valle de Chincha. Ibid. no. 92, pp. 1-56, pis. i-v 



[maps]. 1918. 



. See also Sutton, C. W., 1 c£- 2. 



PORTUGAL, J. G. See Vigier, V. von. 



POSNJAK, E„ E. T. Allen, & H. E. Merwin. The Sulphides of Copper. 



Econ. Geol. x. pp. 491-535, figs, [diagrams]. 1915. And A.O. 

 2, & H. E. Merwin. The Hydrated Ferric Oxides. Am. Journ. Sci. 



ser. 4, xlvii. pp. 311-348, figs, [diagrams]. 1919. 

 POST, L. von. Stratigraphische Studien uber einige Torfmoore in Narke. 



Geol. Foren. Stockh. Forh. xxxi. pp. 629-706, figs. & pis. xxiii xxiv [maps 



& sections]. 1909. 



Q 



