Clouds, latent heat in, [324]

Cocoons, constructed for winter, [307]

Colors of objects, [363]

Colors of the clouds, [364]

Cohesion, strength of, [68]

Cohesion, what is essential to it, [66]

Cold, absence of heat, [270]

Cold at great heights, cause of, [322]

Cold from evaporation, [326]

Compressibility of substances, [35]