430 



C. SKOTTSBERG 



58. Chopard, L. Gryllides de Juan Fernandez et de I'ile de Paques. Nat. Hist. Juan 



P'ern. Ill, 1924. 



59. Christ, H. Geographie der Fame. Jena 1910. 



60. Christensen, C. Demonstration of C. Skottsberg's fern collection from Juan Fernan- 



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 61. The Pteridophytes of Tristan da Cunha. Res. Norweg. Exp. 1937-1938, no. 6. 



Oslo 1940. 

 62. Christensen, C. & Skottsberg, C. The Pteridophyta of the Juan Fernandez Islands. 



Nat. Hist. Juan Fern. II, 1920. 

 63. The Ferns of Easter Island. Ibid. 



64. Clausen, R. T. A monograph of the Ophioglossaceae. Mem. Torrey Bot. Club. 10, 



1938. 



65. Continental Drift. A Symposium on the Theory of — . The Advancement of Science 



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66. CoPELAND, E. B. Genera Hymenophyllacearum. Philipp. Journ. Sci. 67, 1938. 

 67. Fern evolution in Antarctica. Ibid. 70, 1939. 



68. Antarctica as the source of existing ferns. Proceed. 6th Pacif. Sci. Congr. 



1939, IV. Berkeley 1940. 

 69. Genera Filicum. Annal. Crypt, et Phytopath. 5. Waltham, Mass. 1947. 



70. Cortes, R. Tachynidae (Diptera). (insect. J. Fern. 9.) Rev. Chil. de Entomol. 2, 1952. 



71. Croizat, L. Manual of Phyto-Geography. The Hague 1952. 



72. Dahl, E. On different types of unglaciated areas during the ice ages and their sig- 



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73. Darp.ishire, O. V. The Lichens. Wiss. Ergebn. schwed. Siidpolar-Exp. 1901-1903, 



IV: I . Stockholm 1912. 



74. Dodge, C. W. Lichens and Lichen Parasites. Reports Brit. Austral. N. Zeal. Antarct. 



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75. DoMiN, K. Monographische Ubersicht der Gattung Centella L. Bot. Jahrb. fiir System. 



etc. ed. by A. Engler, 41, 1908. 



76. Grundztige der pflanzengeographischen Verbreitung und Gliederung der Leber- 



moose. Mem. Soc. Roy. de Sciences de Boheme 1923. Prague 1924. 



77. Du RiETZ, G. E. Two new species of Euphrasia from the Philippines and their phyto- 

 geographical significance. Svensk bot. tidskr. 25, 1931. 



78. Problems of bipolar plant distribution. Acta Phytogeogr. Suec. XIII, 1940. 



79. DusEN, P. Uber die tertiare Flora der Magellanslitnder. Wiss. Ergebn. schwed. Exp. 

 1895-1897, I, I 907. 



80. Uber die tertiare Flora der SeymourTnsel. Wiss. Ergebn. schwed. Siidpolar- 

 Exp. 1901-1903, III, 1910. 



81. Du ToiT, L. Our Wandering Continents. Edinburgh and London 1937. 



82. Observations on the evolution of the Pacific Ocean. Proceed. 6th PaciL Sci. 



Congr. 1939, I. Berkeley 1940. 



83. Emerson, E. A. A new Termite from the Juan Fernandez Islands. Nat. Hist. Juan 



Fern. Ill, 1924. 



84. Enderlein, G. Die Dipterenfauna der Juan Fernandez-Inseln und der Oster-Insel. 



Ibid. 1938. 



85. Engler, A. Versuch einer Entwickelungsgeschichte der Pflanzcnwelt seit der Tertiiir- 



periode. II. 1882. 



86. Englert, S. La Tierra de Hotu Matua. Valparaiso 1948. 



87. Epling, C. Synopsis of the South American Labiatae. Fedde, Repert. Beih. 85, 1935. 

 88. • The Labiatae of Chile. Rev. Universitaria 22, 1937. 



89. The distribution of the American Labiatae. Proceed. 6th Pacif. Sci. Congr. 



1939, IV. Berkeley 1940. 

 90. Distribuci6n geogrAfica y parentesco de las Labiadas de la America del Sur. 



Rev. Universitaria 25, 1940. 



