Climates, geological, Wallace's theory of, i. 306

Climatic conditions, plants and, i. 130

"Climbing Plants, Movements and Habits of," Darwin's, i, 285, ii. [2]

Coal, export duties on, Wallace's view of, ii. [250]

Cockerell, Sydney C., ii. [161]

—— Theo. D.A., ii. [49];
and the Darwin Celebration at Cambridge, [226];
first personal relations with Wallace, [233]-5

"Coleoptera Atlantidum," Wollaston's, ii. [22]-3

"Colin Clout's Calendar," ii. [46]

Coloration, protective, i. 156, 177, 178-9, 181, 183, 184, 185-6,
201, 220, 221, 224 et seq., 260, 270, 298, ii. [4], [11],
[85]. (See also Protection, Mimicry)

Colour-adaptability, ii. [56]