INDEX 



205 



Hooker, Sir J. D., 9, 17, 47, 74 

 Huxley, T. H., 17, 74 

 Hybrid formation, 143, 189 

 Hydrocotyle, 58, 104, 145 

 Hydrophytes, 52 



Increase in number with evolution, 



T.C. I, 90 

 India, distribution in, T.C. xxx, 158 

 Infinitesimal variation, 10 

 Intermediates, 12, 16, 44 

 Island floras, 62 

 Isolation, 25, 26, 27, chap, vii, 61 



Jeans, Sir James, 90, 175 



Jenkin's criticism of Darwin, 5, 13, 



25, 165 

 Jordanian species, 133 



Keys to families, 77, 85, 137 



Large families, position of, 136; 

 larger the family, the larger the 

 variety of conditions, 129 



Large genera, 17, 26, 80, 93, 94, 97, 

 126, 134, 136, 163; among en- 

 demics, 26 ; divergent, 136 ; gaps 

 between, 97; origin, T.C. xvi, 

 126; position of, T.C. ii, 94; 

 successes, by selection, 93, 161 ; 

 supposed to be best adapted, 17 



Likenesses of organisms, 1, 2 



Limit to life of species, 72 



Linking genera, 19, 155 



Linnean species, 61, 132, 166, 171 



Local adaptation of endemics, 147; 

 conditions have small effect, 55 



Localisation of higher types, T.C. 

 XXV, 140 



Lofgren, A., 62 



Logarithmic curves, 35, 174, fig. on 37 



Malthus, T. R., 3, 110 



Mechanism of evolution, 41, 89 



Menispermaceae, 152, and fig. 10 



Mesophyt€s, 52 



Mivart,'St G., 7 



MolUnedia, 33 



Monimiaceae, 33, 92, 136 



Monocotyledons, 15, 43, 47, 130; 

 monocotyledonous mode of life, 

 15, 45, 47, 162 ; relation to Dico- 

 tyledons, 162 



Moors, plants of, 44 



Morphological test cases, 103 



Musk, loss of smell by, 66, 72, 111 

 Mutation, 13, 20, 25, 41, chap, v, 43, 

 48, 59, 63, 89, 115, 129, 170, 172, 

 187, 189; differentiating, irre- 

 versible, hereditary, 43; large, 

 not seen, 48, 89; single, 59, 67, 

 172; smaU, 59 



Natural Selection, 4, 5, 6, 13, 14, 15, 

 21, 22, 24, 25, 41, 45, 54, 57, 58, 

 69, 77, 78, 90, 97, 103, 106, 107, 

 109, 110, 114, 115, 117, 139, 153, 

 155, 166, 175, 177, 181, 187; 

 adaptation by, 54 ; assumptions 

 of, 4, 13, 54, 55, 107, 109, and 

 especially 167; destruction 

 under, 69, 155; difficulties, 10, 

 21, 30, 39, 48, 58, 77, 78, 115, 

 117, 139, 166; fascination, 103; 

 individual, 15, 110, 177, 179; no 

 room for operation, 25 ; not the 

 driving force of evolution, 177; 

 results in survival of fittest 

 population, not type, 166; work 

 too complex, 57 



Nature red in tooth and claw, 6, 110 



Nepenthes, 140 



New Zealand, contours and condi- 

 tions, 154; distribution of en- 

 demics and wides, 29; propor- 

 tion Monocotyledons to Di- 

 cotyledons, 162 



Opening of anther, 121 

 Origin of plants and animals, 2 

 Origin of Species, 3, 8 

 Overhead force acting, 20 

 Owen, Sir Richard, 7 



Paeonia, 84 



Parallel variation, 138 



Parasites, 130 



Parent and child, 50, 156 



Perfection of characters, 45, T.C. x, 



114, 178, 179-80 

 Pinnate leaf, distribution of, 105 

 Podostemaceae, 18, 19, 63, 141, 156 

 Polyalthia, 50 

 Polyphyly, 190 

 Portulaca in India, 159 

 Prediction, 89, 94, 97, 147, 190 

 Pure stand, 91, 125 

 Pyrenacantha, 130 



Rafflesiaceae, 21 



