C
Carboniferous age, [174].
Carnivorous teeth, [124].
Caterpillars on leaves, [110].
Cave man, [188].
Cells live in water, [166].
Cenozoic age, [185].
Cicada killer, [143].
Circular nest of bird, [147].
City life in man, [256].
Clothing of birds, [101].
Coal plants, [174].
Cold-blooded animals, [99].
Color, concealing, Thayer, [115].
Concealing appearance, [105].
Cope and Lamarckianism, [244].
Cope on taste of toad, [118].
Coral reef formation, [32].
Country life in man, [256].
Cretaceous period, [180].
Cricket song, [134].
Crinoids, [171].
Crossing and variation, [53].
Cuvier criticises Lamarck, [19].