Maori races of New Zealand.

Coleoptera, apterous form of Madeira.
-colonisation of ants' nests by.

Colias edusa, wings of.

Collecting, Darwin's early taste for.

Collier, Hon. John: Royal Academician, son-in-law to Professor Huxley.
-Art primer by.
-letter to.
-portrait of Darwin by.

Collingwood, Dr., on mimetic forms.

Colonies, Barrande's.

Colonisation, conditions of.

Coloration, Walsh on unity of.

Colour, butterflies attracted by.
-mimicry in butterflies by means of.
-of dioecious flowers.
-and fertilisation of flowers.
-in grouse, and Natural Selection.
-in birds.
-in male birds, not simply due to Natural Selection.
-Darwin's work on.
-Darwin differs from Wallace in views on.
-evolution of.
-experiments on birds.
-Hackel on lower animals and.
-Krause on.
-Magnus on.
-protection and.
-relation to sex.
-in seeds and fruits.
-and Sexual Selection.
-sense of, in children.
-Wallace on.

Columba aenas, habits of.
-C. livia, descent of pigeons from.

Combretum.

Combs, bees', (see also Bees).

Comparative anatomy, Huxley's book on.

Compensation, belief of botanists in.

Compiler, Darwin's opinion of a.

Compositae, Harvey on.
-Masters' reference to.
-monstrosities in.
-morphological characters.
-Schleiden on.
-Darwin on crossing.
-fertilisation mechanism.
-Hildebrand on dispersal of seeds.
-viscid threads of seeds.

Comte, Huxley on.

Concepcion Island, geology of.
-Darwin's account of earthquake.

Conchoderma, in reference to nomenclature.

Concretions, origin of.

Conditions of life, effect on animals and plants.
-effect on elephants.
-effect on reproductive system.
-hybrids and.
-importance in maintaining number of species.
-species and changes in.
-and sterility.
-variability depends more on nature of organisms than on.

Confervae and sexuality.

Coniferae, abundant in humid temperate regions.

Connecting links.
-Gaudry on.

Conscience, Morley on Darwin's treatment of.

Conspectus crustaceorum, Dana's.

Constancy, in abnormally developed organs.

Contemporaneity, Darwin on.

Continental elevation, volcanic eruptions and.

Continental extension, Darwin on.
-evidence in favour of.
-Hooker on.
-Lyell on.
-and means of distribution.
-New Zealand and.

Continental forms, versus insular.

Continents, inhabitants of islands and.
-movements of.
-Wallace on sinking i