BY W. N. BENSON. 169 



(17). RiNNE — " Ueber Diabasgesteine in Mitteldevonischen Schiefer aus der 



Umgebung von Goslar am Harz." Neues Jahrb. fiir Min., Beil. Bd. 



1896, p. 363. 

 (18). Gregory — "Variolitic Diabaseof the Fichtelgebirge." Quart. Journ. 



Geol. Society, 1892, p. 57. 

 (19). Michel Levy — " Memoite sur la variolite de la Durance." Bull. Soe. 



Geol. de la France, 1877 (cited by Gregory, 18) 

 (20).BowEN— " Diabase and Granophyre of the Gowganda Lake District, 



Ontario." Journ. of Geo)., 1910, p. 658. 

 (21).RoSENBDSCH — Elemente der Gesteinslehre, 1910, p. 422. 

 (22).SuNDius — " Pebbles of Magnetite-syenite-porphyry in the Kurravaara 



Conglomerate." Geol. For. Forhandl., 1912, pp. 703-726. 

 (23).Neithammkr — "Die Eruptivgesteine von Loh Oelo auf Java." 



Tschermak, Min. Petr. Mitt., 1909, p.218. 

 (24).Geijer — "Igneous Rocks and Iron-ores of Kiirunavaara, Luossavaara, 



and Tuolovaara." Economic Geology, 1910, pp.699-718. 

 (25).Geijer— " The Iron-Ores of Lappland." Geol. For. Forhandl., 1910, 



pp.751-78. 

 (26).Lundbohm — " Sketch of the Geology of the Kiruna District." Geol. 



For. Forhandl., 1910, pp.751-788. 

 (27)-Backstrom— " On the Origin of the Great Iron-Ore Deposits of 



Lappland." Report of the British Association, 1904, p. 560. 

 (28). De Laonay — " L'origine et les Characteres des Gisements de Fer 



Scandinaves." Annales des Mines, 1903. 

 (29).HoGBOM— " The Iron-Ores connected with the Syenitic Rocks in 



Eastern Ural." Geol. For. Forhandl., 1898, p. 115. 

 (30).Stutzer — " Geologic und Genesis der lapplandischen Eisenerzlager- 



statten." Neues Jahrb. fiir Min., Beil. Bd. xxiv. 1907, p.548. 

 (31).Geijer — "Igneous Rocks and Iron-Ores of Kiirunavaara, Luossovaara, 



and TuoUovaara." Scientific and Practical Researches in Lappland 



arranged by the Luossovaara-Kiirunavaara Aktiebolag. Stockholm, 



1910. 

 (32).Lenarcic — "Ueber gegenseitigen Loslichkeit und Ausscheidungsfolge 



der Mineralien in Schmelzflusse." Centralbl. fiir Min., 1903, p. 720. 

 (33). Day and Allen — "Isomorphism and Tiiermal Properties of the 



Felspars." Carnegie Institute of Washington, Publication No.31. 

 (34).DoELTER — Physicalisch-chemische Mineralogie, Leipzig, 1905, p. 133. 

 (35).Termier — "Sur T^limination de la chaux par metasomatose dans 



les roches ^ruptives basiques de la region du Pelvoux." Bull. Soc. 



G6ol. France, tome xxvi, p. 165, 1898. 

 (36). Russell — "Geology and Water-resources of the Snake River Plains 



of Idaho." Bull. U. S. Geol. Survey, 199, p. 82, et seqq. 

 (37). Van Hise and Lkith — " The Geology of the Lake Superior Region." 



Monograph U. S. Geol. Survey, liii., p. 506, et seqq. 



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