ti9T5-i9-l 



226 



POST, L. von., 2. Tiber stratigraphische Zweigliederung swedischer Hoch- 



moore. Sver. geol. Undersokn., Arsb. 1912 (ser. C, Afh. no. 248), no. 2, 



pp. 1-52, figs, [map & geol. sections]. 1914. 

 - — —3. En bestanming af Ancymsgransen i norra Vastmanland. Geol. 



Foren. Stockh. Fork, xxxvii. pp. 341-342, fig. [geol. section]. 1915. 

 4. Ett fynd af fossil Trapa natans i vastra Varmland. Ibid. p. 343. 



1915. 



— 5. Ett egendomligt jordskred i vastra Varmland. Ibid. pp. 567-582, 



figs. [geol. plan & section]. 1915. 

 6. Einige siidschwedischen Quellmoore. Bull. Geol. Inst. Univ. Upsala, 



xv. pp. 219-278, figs. & pis. x-xiii [maps & sections]. 1916. 

 7. Om skogstradpollen i sydsvenska torfmosselagerfoljder. [Abstract.] 



Geol. Foren. Stockh. Forh. xxxviii. pp. 384-390. 1916. 

 8. Ett finiglacialt granfynd i sodra Varmland. [Abstract.] Ibid. xl. 



pp. 19-23. 1918. 

 . See also Gavelin, A., 6. 



POTONIE, H. Die recenten Kaustobiolithe und ihre Lagerstatten. Ergan- 

 zende Tafeln. Abh. k.-preuss. geol. Landesanst. lv. iiia, pp. 1—81, figs. 

 1915. 



POWELL, S. L. Discovery of the Normanskill Graptolite Fauna in the 



Athens Shale of South-western Virginia. Journ. Geol., Chicago, xxiii. 



pp. 272-281. 1915. 

 POWERS, S. Geological History of the Bay of Fundy. [Abstract.] Bull. 



Geol. Soc. Am. xxvi. pp. 94-95. 1915. 

 2. The Origin of the Inclusions in Dikes. Journ. Geol., Chicago, xxiii. 



pp. 1-10, 166-182, figs. 1915. 

 3. The Geology of a Portion of Shelburne County, South-western Nova 



Scotia. Proc. & Trans. N.S. Inst. Sci. xiii. pp. 289-307, figs. [geol. map 



& sections] & pis. i— iv. 1915. 

 4. The Recent Activity of Kilauea and Mauna Loa, Hawaii. Science, 



xlii. pp. 147-154, figs, [plans]. 1915. 

 ■ 5. Explosive Ejectamenta of Kilauea. Am. Journ. Sci. ser. 4, xli. 



pp. 227-244, figs. [map]. 1916. 

 6. Volcanic Domes in the Pacific. Ibid. xlii. pp. 261-274, figs. [plan]. 



1916. 



7. The Acadian Triassic. Journ. Geol., Chicago, -xxiv. pp. 1-26,105-122, 



254-268, figs. [geol. maps & sections]. 1916. 

 8. Granite in Kansas. Am. Journ. Sci. ser. 4, xliv. pp. 146-150, fig. 



[outline -map]. 1917. 

 9. Ordovician Strata beneath the Healdton Oil Field, Oklahoma. 



[Abstract.] Bull. Geol. Soc. Am. xxviii. p. 159. 1917. 

 ■ — — 10. Tectonic Lines in the Hawaiian Islands. Ibid. pp. 501-514. figs. 



[maps] & pis. xxix— xxxiii. 1917. 

 11. The Healdton Oil Field, Oklahoma, Econ. Geol. xii. pp. 594-606, 



figs, [index-map & cross-section]. 1917. 

 ■ 12. Notes on the Geology of Eastern Guatemala and North-western 



Spanish Honduras. Journ. Geol., Chicago, xxvi. pp. 507-523, figs. [geol. 



& relief -maps]. 1918. 

 13. Age of the Oil in Southern Oklahoma Fields. Tra)ts. Am. Inst. M. E. 



lix. pp. 564-575, figs, [maps & geol. section]. 1918. 

 . See also Wabren, C. H., 3. 



14, & A. C. Lane. Magmatic Differentiation in Effusive Rocks. Trans. 



Am. Inst. M. E. liv. pp. 442-455, figs. [geol. map & diagrams]. 1917. 

 PRAEGER, R. L. A Biological Survey of' Clare Island in the Comity of 



Mayo, Ireland, and of the Adjoining District. Parts 1, 68. General 



Introduction and Narrative, Proc. Roy. Irish Acad. xxxi. pt, 1, pp. 1-12, 



pis. i-ix [topogr. map]. 1915. 



2. Irish Fossil Mollusks. Irish Nat. xxvii. pp. 69-74. 1918. 



3. Derc-Ferna : The Cave of Dunmore. Ibid. pp. 148-158. 1918. 



PRATT, J. H. Joseph Austin Holmes. [Obit,] Bull. Geol. Soc. Am. 



xxvii. pp. 22-35, pi. iii [portrait]. 1916. 

 PRATT, L. S. The Radio -Activity of Allanite. Trans. Am. Inst. M. E. 



lv. p. 935. 1917. 



PRATT, W. E. The Location of Artesian Wells in the Philippine Islands 

 from a Geologic Viewpoint. Philippine Journ. Sci. x. sect. A, pp. 231- 

 239. 1915. 



2. Petroleum and Residual Bitumens in Leyte. Ibid. pp. 241-278, 



figs, [topogr. maps] & pi. i. 1915. 



