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3. Considerations on Differentiation. Ibid, xxiii. pp. 457-475. 1915. 



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4. On the Granulites. [In Russian, English summary.] Ibid, xxiii. 



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LOMAX, J. The Formation of Coal-Seams in the Light of Recent Microscopic 

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LOMBARD, R. H. See Allen, E. T., 2. 



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LONGOBARDI, E. Estudio geoquimico de los aceites minerales de la 



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 LONGSTAFF, Jane (nee Donald). Supplementary Notes on Aclisina De 



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 LONGYEAR, R, D. See Roberts, H. M. 

 LOOD, F. See Schwetz, — . 



LOOMIS, F. B. A New Mosasaur from the Ft. Pierre. Am. Journ. Sci. ser. 

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2. An Unusual Mastodon. Ibid. xlv. pp. 438-444, figs. 1918. 



3. An Amphibian from the Eocene. Ibid, xlvii. pp. 217-219, fig. 1919. 



. See also Blaney, D. 



LOOSTRGEM, R. Die Unterlage der Elfdalgesteine im Kirchspiel Orsa. Bull. 



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LOR1E, .1. Bijdrage tot de Kermis dor Javaansche Erupt iefgesteenten. Pp. 

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