Hybridism

There is, in fact, one set of these peculiarities which the theory of selective modification, as it stands at present, is not wholly competent to explain, and that is the group of phenomena which I mentioned to you under the name of Hybridism, and which I explained to consist in the sterility of the offspring of certain species when crossed one with another.

Essays 2007

The chapters on Variation, on the Struggle for Existence, on Instinct, on Hybridism, on the Imperfection of the Geological Record, on

Essays 2007

Here are the phenomena of Hybridism staring you in the face, and you cannot say, ‘I can, by selective modification, produce these same results.’

Essays 2007

Hybridism, however, is the most prolific source of that degeneration.

Cotton is King, and Pro-Slavery Arguments Comprising the Writings of Hammond, Harper, Christy, Stringfellow, Hodge, Bledsoe, and Cartrwright on This Important Subject E. N. [Editor] Elliott

The two first heads will here be discussed; some miscellaneous objections in the following chapter; Instinct and Hybridism in the two succeeding chapters.

VI. Difficulties of the Theory. Difficulties of the Theory of Descent with Modification 1909

Hybridism, where it existed, was an ephemeral feature restricted to pioneer days, when white women were scarce, or to regions of extreme heat or cold, where white women and children could with difficulty survive.

Influences of Geographic Environment On the Basis of Ratzel's System of Anthropo-Geography Ellen Churchill Semple 1897

Hybridism, on the Imperfection of the Geological Record, on the

Life of Charles Darwin 1870

Hybridism causes a fault in the chain of memory, and it is to this cause that the usual sterility of hybrids must be referred.

Essays on Life, Art and Science Samuel Butler 1868

Instinct, on Hybridism, on the Imperfection of the Geological Record, on

Lay Sermons, Addresses and Reviews Thomas Henry Huxley 1860

There is, in fact, one set of these peculiarities which the theory of selective modification, as it stands at present, is not wholly competent to explain, and that is the group of phenomena which I mentioned to you under the name of Hybridism, and which I explained to consist in the sterility of the offspring of certain species when crossed one with another.

Lectures and Essays Thomas Henry Huxley 1860