Cucurbitaceæ, i. 357-360;
supposed crossing of, i. 399;
Naudin's observations on hybrids of, ii. [172];
acclimatisation of, ii. [313].
"Culbutants" (pigeons), i. 150.
Cultivation of plants, origin of, among savages, i. 309-310;
fertility increased by, ii. [111]-[113].
Cunier, on hereditary night-blindness, ii. [9].
Currants, of Tierra del Fuego, i. 309;
bud-variation in, i. 376.