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Combinations of these, as well as of other glands with joint predominance occur and indeed form the majority of populations. The phenomena of varieties in species are thus explained. Internal secretion traits are inherited, and variations in heredity are essentially the structural representation of the resultant of a parallelogram of forces exerted by each of the parental prepotent glands.

When she fell under the Medici, together with her enemy Florence, she shared the death-quiet the tyrants brought that prepotent republic, and it was the Medicean strength probably which saved her from Lucca and Genoa, though it left them to continue republics down to the nineteenth century.

For instance, I think those authors are right, who maintain that the ass has a prepotent power over the horse, so that both the mule and the hinny more resemble the ass than the horse; but that the prepotency runs more strongly in the male-ass than in the female, so that the mule, which is the offspring of the male-ass and mare, is more like an ass, than is the hinny, which is the offspring of the female-ass and stallion.

It is true that the streets of Naples are very long and rather narrow and pretty crooked, and full of a damp cold that no sunlight seems ever to hunt out of them; but then they are seldom ironed down with trolley-tracks; the cabs feel their way among the swarming crowds with warning voices and smacking whips; even the prepotent automobile shows some tenderness for human life and limb, and proceeds still more cautiously than the cabs and carts in fact, I thought I saw recurrent proofs of that respect for the average man which seems the characteristic note of Italian liberty; and this belief of mine, bred of my first observations in Naples, did not, after twelve weeks in Italy, prove an illusion.

The elements which may become prepotent in the process, the parts of each successive field round which the associations shall chiefly turn, the possible bifurcations of suggestion, are so numerous and ambiguous as to be indeterminable before the fact. But, although we cannot work the laws of association forward, we can always work them backwards.

In ordinary breeding there are two other principles that are sometimes called into play. One is prepotency, the other is inbreeding. By prepotent we mean having unusual power to transmit characters to offspring. Suppose a breeder has five yards headed by five cock birds.

When distinct species are crossed the case is directly the reverse, for a plant's own pollen is always prepotent over foreign pollen; but to this subject we shall return in a future chapter.

If they do not outvote them, the people of Germanic, of Slavonic, of Pelasgic, of Mongolian stock outnumber the prepotent Celts; and March seldom found his speculation centred upon one of these.

It is probable that an accessory cross-fertilization frequently results from a mass of the pollen falling directly upon the stigma of a neighboring blossom, or even upon its own stigma, but even in the latter case, as has been absolutely demonstrated as a general law by the experiments of Darwin, the pollen from a separate flower is almost invariably prepotent, and leads to the most perfect fruition, and thus to the survival of the fittest the cross-fertilized.