examination of Weismann’s theory of, [48], [105], [117];
comparison of Weismann’s, Darwin’s, and Galton’s theories of, [51], [105-106];
criticism of Weismann’s theory of by Strasburger, [51];
the material basis of, [61], [63].
Hertwig, O., theory of heredity, [2];
Hildebrand, or effect of pollen upon somatic tissues (Xenia), [80];
on Orchideae, [80].
His, theory of heredity, [2].