maginary.

Controversy, Darwin's hatred and avoidance of.

Convallaria majalis, in Virginia.

Convolvulus, supposed dimorphism of.

Cooling of crust, disagreement among physicists as to rate.

Cope, Edward Drinker (1840-97): was for a short time Professor at Haverford
College; he was a member of certain United States Geological Survey
expeditions, and at the time of his death he held a Professorship in the
University of Pennsylvania. He wrote several important memoirs on
"Vertebrate Paleontology," and in 1887 published "The Origin of the
Fittest."
-style of.
-and Hyatt, theories of.

Copley medal, Darwin and the.
-Falconer, and Darwin's.
-Lindley considered for the.
-awarded to Lyell.
-awarded to Bunsen.
-Darwin describes letter from Hooker as a.

Coquimbo, Darwin visits.
-upraised shells.

Coral islands, and subsidence.
-plants of.

Coral reefs, Darwin's work on.
-Bonney's edition of Darwin's book on.
-A. Agassiz on.
-Dana on.
-fossil.
-Murray on.
-conditions of life of polyps.
-solution by CO2 of.
-subsidence of.

Coral tree, (see Erythrina).

Corallines, nature of.

Cordiaceae, dimorphism in.

Cordilleras, glaciers of.
-high-road for plants.
-plants of.
-birds of.
-comparison between Glen Roy and terraces of.
-Darwin on earth-movements of.
-Forbes on.
-submarine lava-streams.
-volcanic activity and elevation.

Coronilla, Lord Farrer on.
-C. emerus.
-C. varia.

Coryanthes, "beats everything in orchids."

Corydalis, Hildebrand shows falsity of idea of self-fertilisation of.
-C. cava, Hildebrand on self-sterility of.
-C. claviculata, tendrils of.
-C. tuberosa, possible case of reversion in floral structure.

"Cottage Gardener," Darwin offers reward for Hyacinth grafts.

Cotyledons, Darwin's experiments on.

Counterbalance, Watson on divergent variation and.

Cowslips, Primroses and.
-Darwin's experiments on artificial fertilisation.
-homomorphic seedlings.
-loss of dimorphism.

Craig Dhu, shelves of.

Craters, in Galapagos Island.
-of denudation, Lyell on.
-of elevation.
-Darwin on.

Crawford, John (1783-1868): Orientalist, Ethnologist, etc. Mr. Crawford
wrote a review on the "Origin," which, though hostile, was free from
bigotry (see "Life and Letters," II., page 237).)

Creation, acts of.
-doctrine of.
-of species as eggs.
-Owen on.
-Romanes on individual.

Creation-by-variation, doctri