The Variation of Animals and Plants Under Domestication, Volumen1

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D. Appleton, 1890 - 495 páginas
 

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Página 464 - SOUND: a Course of Eight Lectures delivered at the Royal Institution of Great Britain.
Página 6 - It has been said that I speak of natural selection as an active power or Deity; but who objects to an author speaking of the attraction of gravity as ruling the movements of the planets?
Página 7 - So again it is difficult to avoid personifying the word Nature ; but I mean by Nature, only the aggregate action and product of many natural laws, and by laws the sequence of events as ascertained by us.
Página 463 - GRAY. 2 vols. Illustrated. Cloth, $5.00. INSECTIVOROUS PLANTS. 12mo. Cloth, $2.00. MOVEMENTS AND HABITS OF CLIMBING PLANTS. With Illustrations. 12mo. Cloth, $1.25. THE VARIOUS CONTRIVANCES BY WHICH ORCHIDS ARE FERTILIZED BY INSECTS. Revised edition, with Illustrations. 12mo. Cloth, $1.75.
Página 464 - ELECTRICITY, 1875-'76. 12mo. Cloth, $1.00. HOURS OF EXERCISE IN THE ALPS. With Illustrations. 12mo. Cloth, $2.00. FARADAY AS A DISCOVERER. A Memoir. 12mo. Cloth, $1.00. CONTRIBUTIONS TO MOLECULAR PHYSICS in the Domain of Radiant Heat. $5.00. SIX LECTURES ON LIGHT. Delivered in America in 1872'73. With an Appendix and numerous Illustrations. Cloth, $1.50.
Página 3 - Man, therefore, may be said to have been trying an experiment on a gigantic scale ; and it is an experiment which nature during the long lapse of time has incessantly tried.
Página 9 - In scientific investigations it is permitted to invent any hypothesis, and if it explains various large and independent classes of facts it rises to the rank of a well-grounded theory.
Página 28 - alter strangely ; their ears grow long and stiff like those of foxes, to which colour they also incline, so that in three or four years, they degenerate into very ugly creatures ; and in three or four broods their barking turns into a howl.

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