APPENDIX m 303 



in the Southern Hemisphere. The latter was characterized 

 by the dominance of a certain ancient and, of course, 

 now extinct fern, Olossofteris, which is unknown among 

 the fossil remains of the Northern flora. The problem 

 of uniform climates and world-wide floras and faunas is 

 one of the most interesting and puzzling in the whole 

 range of science. 



APPENDIX IV. 

 BIBLIOGRAPHY. 



General Works. 



Avebury, Lord : " British Flowering Plants." London, 1905. 



Boulger, O. S. : " Plant Geograpliy." London, 1912. 



Bower, F.O. : " Botany of the Living Plant." London, 1919. 



Ooebd, K. : " Organography of Plants." Engl. ed. by I. B. Balfour. 

 Oxford, 1900-1905. 



Gray, Asa : " Structural Botany." London, 1900. 



Jachson, B. D. : " A Glossary of Botanic Terms, with their Derivation 

 and Accent." London, 1916. 



Jost, L. : " Lectures on Plant Physiology." Trans, by R. J. Harvey 

 Gibson. Oxford, 1907. (Suppl., 1913). 



Kerner, A., von Marilaun : " The Natural History of Plants." Trans. 

 and ed. by F. W. Oliver, with the assistance of M. Busk and 

 M. Ewart. London, 1898. 



Pfeffer, W. : " The Physiology of Plants." Trans, and ed. by A. J. 

 Ewart. Oxford, 1900-1903-1906. 



Schim/per, A. F. W. : "Plant Geography upon a Physiological Basis." 

 Trans, by W. R. Fisher, rev. and ed. by P. Groom and I. B. Bal- 

 four. Oxford, 1903. 



Strashurger, E. : " A Text-Book of Botany." Engl. ed. rev. by 

 W.H.Lang. London, 1912. " 



Warming, Eug. : " CEcology of Plants. An Introduction to Plant- 

 Communities." Engl. ed. by P. Groom and I. B. Balfour. Oxford, 

 1909. 



Willis, J. O. : " A Dictionary of the Flowering Plants and Perns." 

 Cambridge, 1919. 



The Soil. 



Darwin, C. : " The Formation of Vegetable Mould through the Action 



of Worms, with Observations on their Habits." London, 1881. 

 HaU.A.D.: 



1. "TheSoU." London, 1920. 



2. " Fertilisers and Manures." London, 1910. 



3. ' ' The Feeding of Crops and Stock." London, 1911. 



