Catasetum barbatum.
Catasetum tridentatum.
Caterpillars, variation in.
Celosia, variability of.
Cereals, variability in.
Cesnola, experiments on Mantis by.
Chaerocampa, colouring of.
Chambers, R., "The Vestiges of Creation" by.
Chromosomes and Chromomeres.
Chun.