Darwin died some years before the controversy upon the possibility of the hereditary transmission of acquired characters arose over the writings of Weismann, but Wallace has freely accepted the general results of the German zoologist's teaching, and in Darwinism has presented a complete theory of the causes of evolution unmixed with any trace of Lamarck's use or disuse of inheritance, or Buffon's hereditary effect of the direct influence of surroundings.
I recall with unmixed delight those days when a thousand childish fancies became beautiful realities.
The academies of the day represented the prevailing intellectual tendency of Renaissance humanism, namely, an absorbing enthusiasm for classic letters and for the transcendental speculations of Platonic and neo-Platonic mysticism, not unmixed with the traditions and practice of medieval alchemy, astrology and necromantics.
This paved the way for the Turkish invasion of Europe, which proved an unmixed calamity for all Christendom, Venice included.
In this case Helen Keller held almost intact in her mind, unmixed with other ideas, the words of a story which at the time it was read to her she did not fully understand.
The power of the local sheiks was step by step reduced, till it at last became evanescent - to the unmixed advantage of the whole history.
The land is held by a few proprietors, and caste sentiment is strong among those who claim unmixed European descent; consequently the mestizos have limited opportunities to improve their condition.
Next was Tashtego, an unmixed Indian from Gay Head, the most westerly promontory of Martha's Vineyard, where there still exists the last remnant of a village of red men, which has long supplied the neighboring island of Nantucket with many of her most daring harpooneers.
All questions of race are dim, for such a thing as a European people of pure unmixed blood is probably unknown in experience.
This is the result of my experience in raising beans: Plant the common small white bush bean about the first of June, in rows three feet by eighteen inches apart, being careful to select fresh round and unmixed seed.