248 LIST OF LITERATURE 



(30) DE Vries, H. The Origin by Mutation of the endemic Plants of 



Ceylon. Science, xliii, 1916, p. 785. 



(31) The relative age of endemic species. Ibid, xlvii, 1918, p. 629. 



(32) Van Amoebe tot Mensch (with Engl, trans.). Utrecht, 1918. 



(33) Drude, O. Manuel de Geographic Bolanique (French trans.). Paris, 



1897. 



(34) Ernst, A. The new Flora of the Volcanic Island of Krakatau (Engl. 



trans.). Cambridge, 1908. 



(35) EwART, A. J. The Weeds... of Victoria. ^Melbourne, 1909. 



(36) Farrow, E. P. The Ecology of Breckland. Journ. Ecol. 1916, et seq. 



(effects of rabbits, 1917, p. 1). 



(37) Floras employed include Babington's Cambridgeshire, Bolle's Canaries, 



Britton and Millspaugh's Bahamas, Cheeseman's New Zealand, 

 Christ's Canaries, Englers Natiirlichen Pflanzenfamilien and 

 Pflanzenreich, Hillebrand's Hawaiian Islands, Hooker's British 

 India, London Catalogue, 8th ed., McNeill's Colonsay, Praeger's 

 Clare Island, Reiche's Chile, Spence's Orkneys, Thwaites' and 

 Trimen's Ceylon, and others. 



(38) Gates, F. C. The revegetation of Taal volcano. Plant World, xx, 



1917, p. 195. 



(39) Gates, R. R. The Mulafion Factor in Evolution. London, 1915. 



(40) Grisebach, a. H. R. Die Vegetation der Erde. 2 Aufl. Leipzig, 1884. 



(41) GuppY, H. B. America's Contribution to the Story of the Plant World. 



Journ. Ecol. ix, 1921, p. 90. 

 (4.2) Distribution of Plants and Animals. Peterm. Mitt. 1910, Heft 2, 



(43) Fossil Botany in the Western World. .4mer. Jl. Sci. xlix, 1920, 



p. 372. 



(44) — — Observations of a Naturalist in the Pacific. London, 1906. 



(45) Plant Distribution from an old Standpoint. Trans. Vict. Inst., 



April, 1907. 



(46) ■ Plant Distribution from the Standpoint of an Idealist. Linn. 



Soc. Journ. xliv, 1919. p. 439. 



(47) Plants, Seeds, and Currents in the West Indies and Azores. 



London, 1917. 



(48) The Dispersal of Plants as illustrated by. ..Keeling or Cocos 



Islands. 1'ict. Inst. 1890. 



(49) The Island and the Continent. Journ. Ecol. vii, 1919, p. 1. 



(50) The Testimony of the Endemic Species of the Canary Islands 



in favour of the Age and Area Theory of Willis. Ann. of Bol. 

 XXXV, 1921, p. 513. 



(51) Hemsley, W. B. In Biologia Centrali-Americana, London, 1879-88. 



(52) Insular Floras. Sci. Progr. 1894, p. 27. 



(53) Insular Floras in Rep. Bot. Challenger Exp. I, 1885. 



(54) Hildebrand, F. Die Verbreitungsmiltel der Pflanzen. Leipzig, 1873. 



(55) Hooker, J. D. Botany of the voyage..." Erebus'" and "Terror."'' 



(a) II. Flora Nov. Zeal. 1853; (b) III. Flora Tasmanieae. 1860. 



(56) In Biologia Centr.-Amer. p. Ixii. 



(57) Life and Letters. London, 1918. 



(58) Outlines of the Distribution of Arctic Plants. Trans. Linn. Soc. 



XXIII, 1800, p. 251. 



(59) Huxley, T. H. The Gentians.... Jowr». Linn. Soc. xxiv, 1888, p. 101. 



(60) Jessex, KxuD. Moserundersogelser i det nordostlige Sjaelland. Dan- 



marks geol. undersog. ii Raekke, no. 34. 



(61) JoHANxsEN, W. Elemente der exacten Erblichkeitslehre (Germ, trans.). 



Jena, 1909. 



