INDEX 



Abiotic substances and properties, 6, 

 70 



Accommodation, 17, 51 



Adaptation, individual, 17, 51 ; of the 

 race, 217 ; specific, 17 



Adult, individual, 51 ; primordium, 51 



Agrostis, 219 



Air a, 44 



Ajuga, 17 



Alkaloids, 4 



Allen, J. A., 28 



Allium, 96, 102, 112 



Alopecurus, 218, 219 



Alternative variation, 117 



Alysarine, 6 



Amaryllidaceae, 92 



Ammonites, 113 



Anagallis, 67 



Ancylus, 113 



Anemone, constant hybrid, 39 



Annelids, 97 



Annuals, 92 



Aphrophora, 19 



Apocynacees, iii 



Apple, 44 



Arachis (oil), 4 



Articulates, 97 



A sclepiadacecB , in 



Asperula, 6 



Ass, 195 



Axes, 86. 93, 95 ; compound, 103 ; of 

 crystals, 198 ; curved, 103 ; of 

 living beings, 199 ; oblique (false), 

 108 ; optical, 74 ; simple, 103 ; uni- 

 axial system, 71 



B 



Balls in an urn, 124, 125 



Bateson, W., 32, 37, 38, 39, 42, 69, 214 



Beech, 43. See Fagus 



Bentham, 11, 208, 219 



Bertillonage, 27, 201, 222 



Beiula, 175 



Biaxial system, 93 



Binomium (a + 6)', 120; (a + fe)". 146 



Biology, breach of continuity in, 207 



Biometrika, 31 



Biometry, 27, 31 



Bioproteins, 5 



Bivalves, 113 



Bohr, Niels, viii 



Bois, Dr De, 57 



BoraginacecB, 194 



Bromus, 219 



Bruyker, Dr de, 17, 58, 178, 185 



Bud-generations, 91 



Bud-species, 16 



Bud-subspecies, i6 



Bud-variation, 15 



Bugs, 6 



Buissonomanie, 216 



Bulbous plants, 92 



Burvenich, J. V., 13, 22, 184 



Butomus, 179 



Butter, 4, 5 



Butterflies, 11 ; scales, 81 



Callitriche, 13 



Calluna, 18 



Calosoma, 62, 68, 97, 190 



Campanula, 13, 43 



Campanularia, 81 



Canary bird, 195 



Carabus, 62, 67, 102, 107, 190 



Cards, experiments with, 163 



Carex, 216 



Cassis, 99, 113 



Castanea, 175 



Cecropia, 91 



Centaurea, 18, 21, 58, 180, 182, 194 



Cephalopods, 113 



Certitude, expression of, 123 



Chara, 6 



Characteristics (chemical), 6, 70 



ChelonidcB. 62 



Chemical characteristics, 6, 70 



Chemical variations, 70 



Cherm^s, 196 



Chess-board system, 94 ; alterations, 



95 ; differentiation, loi ; disorder, 



105 ; gradation, 100 

 Chrysanthemum. 12, 58, 180, 182, 184, 



186 

 Cicindela, 6, 7 

 Cinclidium, 203 

 Circcea, 181 

 Clarkia, 181 

 Classification, i 

 Cleavage, 93, no 

 Coccinetla, 6, 19 



223 



