296 EARTH FEATURES AND THEIR MEANING 



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Icebergs : 

 WYVILLE THOMSON. Challenger Report, Narrative, vol. 1, 1865, Pt. i, 



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 I. C. RUSSELL. An Expedition to Mt. St. Elias, Nat. Geogr. Mag., vol. 3, 



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48. 



E. VON DRYGALSKI. Gronland-Expedition, etc., vol. 1, pp. 367-404. 

 M. C. ENGELL. Ueber die Entstehung der Eisberge, Zeit. f. Gletscherk., 



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