INDEX 



(r.C. = Test Case) 



Achenes, T.C. xv, 124 



Acrotrema, 50 



Adam's Peak, endemics, 61 



Adaptability, 60, 145 



Adaptation, 4, 13, 14, 15, 23, 39, chap. 

 VI, 52, 131, 146, 170, 176, 188; 

 generic, 18, 60, 107 ; geographical 

 distribution based on, by selec- 

 tionists, 56; gradual, 108, 117, 

 1 65 ; importance exaggerated,68 : 

 internal, 15, 44, 57, 58, 116; in 

 Podostemaceae, 18 ; in structural 

 characters, 4, 44, 52, 116; phy- 

 siological, 15 ; structural charac- 

 ters of adaptational value, 52-3 ; 

 to movable conditions, 56 



Age and Area, 27, 29, 30, 31, 69, 86, 

 140, 146, T.C. XXVI, 146; com- 

 parison with allies, 29; essence 

 of theory, 69, 95 ; gradual devel- 

 opment, 27, 29; opposition, 30, 

 31 



Alternate and opposite leaves, T.C. 

 XII, 118 



Anaphalis, 26 



Anemone, 105; in India, 159 



Animals, 136 



Aquilegia, 49, 189 



Artocarpus, 31, 148 



Assumptions of Natural Selection, 

 see Natural Selection 



Author's change of ^^ews, 18-20, 24, 

 26, 39, 44, 46, 67, 171-2 



Axioms of taxonomy, 132 



Balkan endemics, 63 



Barriers to spread, 59, 69, 153, 



176 

 Bateson, W., 164 

 Berry fruit, T.C. xiv, 122 

 Beta, contour map of, 153 

 Bog plants, 53 

 Breeding, 10, 56 



Cardamine, distribution, 155 

 Carludovica, 76 

 Caryophyllaceae, 96, 108, 124 

 Ceanothus, 31, 147 

 Centrolepidaceae, 49, 139 



Ceylon, 18, 27, 33, 39, 50, 59, 61, 146, 



147 

 Chandler, Miss, 64, 72 

 Change of conditions, 55, 146 

 Change of views, see Author 

 Characters, differences in, 16; early 

 stages, T.C. xi, 115: easy of 

 acquisition, 139, 140; famUy, 

 16, 74, 76, 106, 108, 180; more 

 constant the more useful (?), 

 T.C. XXXI, 161 ; of distinction of 

 families, genera and species, 

 106 ; value of, 71 

 Chemistry of plants, 8 

 Chromosomes and evolution, 188 

 Classification, 1, 2 

 Clematis, 70, 135; in India, 159 

 Climatic conditions, differentiation, 



59 

 Climbing plants, 57 

 Colem, 24, 132, 166 

 Common names, 2 

 Compositae, 48, 98, 102 

 Conditions of life, 3; equal, with 

 great structural difference, 44; 

 variation in, 91 

 Continuous variation, 10 

 Contour maps, T.C. xxvii, 149 

 Convergence of evolution, 135, 190 

 Correlation, 11, 48, 57, 58, T.C. xix, 



129, 188 

 Cosmic rays, 26, 62, 63, 115 

 Cruciferae, 154; distribution, 155 

 Cvclanthaceae, 76 

 Cytology, 89, 189 



Darwin, Charles, 3, 65, 74, 91, 110, 



132 

 Darwin, Sir Francis, 9, 18 

 Darwinism and its difficulties, 6, 10, 



13, 21, 30, 39, 48, 115, 117, 139, 



164, 166, 167, 187 

 Dead hand, influence of, 6, 144 

 Death of species, 72 

 Delphinium, 49, 189 

 Destruction under natural selection, 



144, 155 

 Dianthus, 86 

 Dicotyledons, 15, 43, 47 



