148 EARTH FEATURES AND THEIR MEANING 



SARTORIUS VON WALTERSHAUSEN. Der Aetna. Leipzig, 1880, 2 quarto 



vols., pp. 371 and 548. 

 The eruption of Vesuvius in 1906 : 

 H. J. JOHNSTON-LA vis. Geological Map of Monte Somma and Vesuvius, 



with a short and concise account, etc. Geo. Philip & Son, London, 



1891. 

 H. J. JOHNSTON-LAVIS. The Eruption of Vesuvius in April, 1906, Trans. 



Roy. Dublin Boo., vol. 9, 1909, Pt. VIII, pp. 139-200, pis. 3-23 (the 



most authoritative work upon the subject). 

 T. A. JAGGAR, JR. The Volcano Vesuvius in 1906, Tech. Quart., vol. 19, 



1906, pp. 105-115. 

 W. PRINZ. L'eruption du Vesuv d'avril, 1906, Ciel et Terre, 27e Annee, 



1906, pp. 1-49. 

 FRANK A. PERRET. Notes on the Electrical Phenomena of the Vesuvian 



Eruption, April, 1906, Sci. Bull., Brooklyn Inst. Arts and Sci., vol. 1, 



No. 11, pp. 307-312; Vesuvius, Characteristics and Phenomena of 



the Present Repose Period, Am. Jour. Sci., vol. 28, 1909, pp. 413-430. 

 WILLIAM H. HOBBS. The Grand Eruption of Vesuvius in 1906, Jour. 



Geol., vol. 14, 1906, pp. 636-655. 

 The spine of Pelee : 

 E. O. HOVEY. The New Cone of Mont Pele and the Gorge of the Riviere 



Blanche, Martinique, Am. Jour. Sci., vol. 16, 1903, pp. 269-281, pis. 



11-14. 



A. HEILPRIN. The Tower of Pelee. Philadelphia, 1904, pp. 62, pis. 22. 

 A. LACROIX. La montagne Pelee et ses eruptions, Acad. des Sciences, 



Paris, 1904, Chapter iii. 

 KARL SAPPER. In den Vulkangebieten Mittelamerikas und Westindiens, 



Stuttgart, 1905, pp. 172-178. 

 A. C. LANE. Absorbed Gases of Vulcanism, Science, N.S., vol. 18, 1903, 



p. 760. 

 G. K. GILBERT. The Mechanism of the Mont Pele"e Spine, ibid., vol. 19, 



1904, pp. 927-928. 

 I. C. RUSSELL. Pele Obelisk once More, ibid., vol. 21, 1905, pp. 924-931. 



The dissection of volcanoes : 

 J. W. JUDD. Volcanoes, Chapter v. 

 S. SEKYA and Y. KIKUCHI. The Eruption of Bandai-San, Trans. Seis. 



Soc., Japan, vol. 13, Pt. 2, 1890, pp. 140-222, pis. 1-9. 

 R. D. M. VERBEEK. Krakatau. Batavia, 1885, pp. 557, pis. 25. 

 ROYAL SOCIETY, The Eruption oi: Krakatoa and Subsequent Phenomena. 



London, 1888, pp. 494. 

 G. K. GILBERT. Report on the Geology of the Henry Mountains, U.S. 



Geogr. and Geol. Surv., Rocky Mt. Region, Washington, 1877, pp. 



22-60. 



SIR A. GEIKIE. Ancient Volcanoes of Great Britain, vol. 2 especially. 

 D. W. JOHNSON. Volcanic Necks of the Mount Taylor Region, New 



Mexico, Bull. Geol. Soc. Am., vol. 18, 1907, pp. 303-324, pis. 25-30. 



