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(16) Gilbert, G. K. Lccolites in South-Eastern Colorado. Ibid. 



pp. 816-825, 1896. 



(17) Kemp, J. F. The Leucite Hills of Wyoming. Bull. Geol. Soc. 



Amer., vol. viii., pp. 169-182, pi. xiv., 1897. 



(18) BULKLEY, FRED. G. The Separation of Strata in Folding. 



Trans. Amer. Inst. Mining Engin., vol. xiii., pp. 384-388, 

 1885. 



(19) Lossen, K. A. Geologische und petrographische Beitrage 



zur Kenntniss des Harzes. II. Ueber den Zusammenhang 

 zwischen Falten, Spalten und Eruptivgesteinen im Harz. 

 Jahrb. d. Konigl. preuss. geol. Landesanst. for 1881, pp. 1-50, 

 1882. 



(20) GOODCHILD, J. G. Note on a Granite Junction in the Ross 



of Mull. Geol. Mag. (3), vol. ix., pp. 447, 451, 1892. 



(21) Geikie, Sir Archibald. Annual Report of the Geological 



Survey of the U7iited Kingdom for 1896, 107 pp., 1897. 



Alfred Harker. 



