Death, Weismann on the origin of, [8], [10];

in plants, [10].

Determinants, [123].

Direct action of environment, on unicellular organisms, [15], [23].

E.

Elsberg, theory of heredity, [2].

Environment, direct action of on Protozoa, [15].

Evolution, see [Organic evolution].

F.

Flint, Prof. Austin, on Telegony, [204].