——, correlation of, in domestic products, [11].

——, correlation of, [143].

H.

Habit, effect of, under domestication, [11].

——, effect of, under nature, [134].

——, diversified, of same species, [183].

Hair and teeth, correlated, [144].

Harcourt, Mr. E. V., on the birds of Madeira, [391].

Hartung, M. on boulders in the Azores, [363].

Hazel-nuts, [359].