APPENDIX III 223 
CieMENts, F. E. (1904). “The Development and Structure of Vegeta- 
tion”; Lincoln, Neb., U.S.A. 
—— (1905). “ Research Methods in Ecology”; Lincoln, Neb., U.S.A. 
—— (1907). ‘Plant Physiology and Ecology” ; London. 
Couen, J. B. (1900). “Air of Towns”; in Rep. Brit. Ass. (Bradford); London. 
—— AND RusHton, A. G. (1909). “The Nature and Effect of Air 
Pollution by Smoke”; see Vatuwre, Lxxx1. pp. 468-9; London. 
ConweEntz, H. (1910). “The Care of Natural Monuments”; Cambridge. 
Cowxgs, H. C. (1911). “The Causes of Vegetative Cycles”; in Bot. Gaz., 
LI. pp. 161-183 ; Chicago. 
Crampton, C. B. (1911). “The Vegetation of Caithness considered in 
Relation to the Geology” ; (privately printed and published). 
CROSSLAND, C. (1904). See Crump and Crossland. 
Crump, W. B. anp Crosstanp, C. (1904). “The Flora of Halifax”; 
Halifax. (First published serially in The Halifax Naturalist, 1896- 
1904. Flowering plants and Pteridophytes by Crump: mosses, 
liverworts, Algae, Fungi, and lichens by Crossland.) 
Dakins, J. R. (1869, 1887). See Green, Foster, and Dakins. 
Date, E. (1900). ‘The Scenery and Geology of the Peak of Derbyshire” ; 
London and Buxton. 
Davey, F. H. (1909). “Flora of Cornwall” (flowering plants and ferns) ; 
Penryn. 
[Derogz, D.] (1724-5). “A Tour thro’ the whole Island of Great Britain,” 
by “A Gentleman”; London. 
Drops, O. (1896). ‘ Deutschlands Pflanzengeographie, 1.”; Stuttgart. 
Etwes, H. J. AnD Henry, A. (1905-1913). “The Trees of Great Britain 
‘and Ireland”; Edinburgh. (Seven volumes.) 
ENGLER, A. (1907). “Syllabus der Pflanzenfamilien,” 5th ed.; Berlin. 
Ernst, A. (1908). “The New Flora of the Volcanic Island of Krakatau” ; 
Cambridge. English translation by A. C. Seward. 
Farey, J. (1811-3). ‘‘General view of the Agriculture and Minerals of 
Derbyshire” ; London. 
FERNALD, M. L. (1908). ‘‘ Notes on Potamogeton pennsylvanicus Cham. ” ; 
in The Naturalist, No. 621, pp. 375-6; Hull. 
FisHer, W. R. See Schimper. 
FLAHAULT, C. (1897). ‘Essai d’une Carte Botanique et Forestiére de la 
France”; in Ann. de Geogr., V. or VI. pp. 289-312 (with coloured 
vegetation map); Paris. 
—— (1901). “La Flore et la Vegetation de la France,” pp. 1-52; in 
Flore descriptive et ulustrée de la France by the abbé H. Coste; Paris. 
—— AND ScuHrorTeER, C. (1910). ‘“ Phytogeographical Nomenclature: 
Reports and Propositions”: also “ Nomenclature Phytogéographique : 
Votes et Remarques”: 111° Congrés international de Botanique, 
Bruxelles, May, 1910; Zurich. 
Foster, C. LE N. (1869, 1887). See Green, Foster, and Dakins. 
Frtu, J. AND SCHROTER, C. (1904). ‘Die Moore der Schweiz”; Bern. 
GEIKIE, J. (1906). ‘“ From the Ice Age to the Present”; in The Scott. 
Geogr. Mag. xxii. pp. 397-407 ; Edinburgh. 
