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Beaver, fossils of, 56
Bee-hawk moth, mimicry in, 138
Bees, fertilisation of clover by,

42, 147

of orchids by, 147

Belt's frog, 135

Bird of Paradise, epigamic color-
ation of, 141

Birds, epigamic coloration in,

141

Cervus dicrocerus, 94
C. elaphus, 93
Chameleon, 124, 130
Chick embryo, 186
Chiton, 171
Chlorophyll, 119
Chromatophores, 130

Cinnabar moth, caterpillar of, 135
Clearwing moths, mimicry in, 139
"Climbing Plants," 218

Clover, fertilisation of by bees,

42, 147

Cochin fowl, 34

Cockroach, development of, 105
Cælenterata, fossils of, 60

Colours of animals and plants, 116
Colours, non-significant, 118
significant, 122

Columba livia, 29
Comparison of embryology and

palæontology, 91

Conger-eel, number of eggs laid
by, 39

Copepoda, degeneration in, 161
Corals, fossils of, 60
Coral reefs, theory of, 208
Corvus, different species of, 4
Crabs, affinities and development

of, 88, 90

adventitious colouring in, 132
Craniota, 174
Cross-fertilisation, 144

"Cross- and self-fertilisation in

Plants, 217

Crossing of pigeons by Darwin,

30

fossils of, 61, 65

variation in, 44

Birds and reptiles, relation be-

tween, 180

Bison, fossils of, 56

Blastula stage in Amphioxus, 112

Brachyura, affinities of, 89
Bramble, varieties of, 45

Buffon, 5

Buff-tip moth, protective resem-

blance in, 129

caterpillar of, 136

Burnet moth, caterpillar of, 136

Butterflies, epigamic coloration

in, 141

mimicry in, 137

protective colouring in, 127
variation in, 44

warning colours of, 134

CABBAGE, varieties of, 46
Caddis worm, 132

Calamites, 57

Camelus, geographical distribu-

tion of, 71

Canaries, change of colour in, 121
Carrier-pigeon, 28

Catastrophism, doctrine of, 10

Cave animals, change of colour

in, 120

degeneration in, 161

Cave bear, fossils of, 56

Cephalopoda, development of eye

in, 107, 110

Ceratodus, 167, 177

Crustacea, fossils of, 60
Crust of the earth, constitution

of, 56

Cuckoo, mimicry in, 140
Cuvier, 7

Dactylopterus, 169
Danaida, warning colours in,

134, 137

Darwin, Charles, 20

family history of, 201
life and work of, 200

method of work, 223

personal characteristics, 224

Darwin, Erasmus, 202

Deer, antlers of, 93

colour of, 124

Degeneration, 159
Dentalium, 58

Descent of man, 193

"Descent of man," 215

Emperor moth, epigamic colora-
tion of, 141

Environment, action of on colour,

119

influence of, 49

Eohippus, 67, 69

Epigamic coloration, 122, 141

Ermine, colour of, 124

Eurypterus, 57

Evolution, doctrine of, 19

history of, 1-24

Exocatus, 169

Design and forethought, evidence "Expression of the Emotions," 215

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[blocks in formation]

Hippopotamus, fossils of, 56
Hooker, Sir Joseph, 22
Hornet moths, mimicry in, 139
Horse, ancestry of, 67, 69

feet of, compared with man, 67
Humming-birds, epigamic color-
ation of, 143

Hutton, 15
Huxley, Professor T. H., 17, 65,

76, 194, 202, 215, 223
Hyæna, fossil forms of, 56
Hyacinths, variation in, 43
Hylodes, development of, 99, 101,
176

Hymenopus bicornis, 132
Hyo-mandibular cleft, change of

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[blocks in formation]

between past and present ani- Megalopa stage of crab, 90

Lion, aggressive resemblance in, Mephitis mephitica, 134

mals, 154

Megatherium, 207

Linnæus, 2

Menobranchus, 168

131

Merycotherium, 74

fossils of, 56

Mesohippus, 67, 69

[blocks in formation]

Mimicry, conditions of, 140

examples of, 137

Miohippus, 67

"Missing Links," 152
Moas, extinction of, 69
Mole, eye of, 95, 161

Mollusca, evolution of eyes in,

107

Lobster, affinities of, 88

Loligo, eye of, 107, 110
Lonchodes, 129

Lophius piscatorius, 131
Lung, evolution of, 167
Lyell, Sir Charles, 16

MACRURAN ancestry of crabs, 89
Madeira, insects of, 47

Magpie moth, caterpillar of, 135

Malapterurus, 170

fossils of, 60

Monad, 112
"Monkey question," 156

Malthus, essay on population, 196, Monotremata, 183; eggs of, 185

210, 212

Mammalia, 182

eggs of, 185

Morula stage in Amphioxus, 112

Mosasaurus, 57

Mule, 153

234

[blocks in formation]

219

Prawn, development of, 81

Primary period, 57

Procervulus, 94

Primula, dimorphic forms of, 217

PALEONTOLOGY, 53

Palæozoic period, 57

Paludina, fossil forms of, 67

Parasites, degeneration in, 83, 84, Proechidna, 184

Pandorina, 113

Papilio merope, 139

96, 160

Paris controversy, 14

Protective resemblances, 122, 123,

130

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