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4to.—From the Academy 8vo.—From the Author 8vo.—From the Society Aberdeen acid action amylen animals apothecia appear Astronomical blastostyle body canal Carboniferous cavity cells cerebellum cerebrum character chemical Communications were read connected crystals Darwin death described examined experiments fact feet females fluid following Communications following Donations force Geological germinal vesicle glass gonophore heat Institute John Journal l'Academie labour Library were announced lime Lord Lord Aberdeen male manubrium mass matter mean medusa Memoir Meteorological molecular molecules nature notice observations Observatory obtained ordinary paper period Philosophical plants portion posterior present Proceedings produced Professor pycnides referred remarkable rocks Royal Geographical Society Royal Horticultural Society Royal Society Scotland silica Silurian Society of Edinburgh Society of London species specific gravity specimens spermogones sporosac structure substance surface temperature tentorial theory tion Transactions tubes University of Edinburgh Wissenschaften
Seite 275 - Therefore I should infer from analogy that probably all the organic beings which have ever lived on this earth, have descended from some one primordial form, into which life was first breathed.
Seite 274 - As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chancs of surviving, and thus be naturally selected.
Seite 215 - He was one of the most learned men of his time and, moreover, a man of noble character.
Seite 116 - The little Bill, like that of a Goose; the Eyes marked; the Head, Neck, Breast, Wings, Tail, and Feet formed, the Feathers everywhere perfectly shaped and blackish coloured; and the Feet like those of other Water-foul, to my best remembrance.
Seite 291 - It may be said that natural selection is daily and hourly scrutinizing throughout the world, every variation, even the slightest, rejecting that which is bad, preserving and adding up all that is good ; silently and insensibly working, whenever and wherever opportunity offers, at the improvement of every organic being in relation to its organic and inorganic conditions of life.
Seite 322 - Catalogus Systematicus ad Cramerum, auctore Henrici Verloren ; ' by the Author. ' Memoires de la Societe de Physique et d'Histoire Naturelle de Geneve,
Seite 188 - An organized product of nature is that in which all the parts are mutually ends and means*.
Seite 275 - I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number. Analogy would lead me one step farther, namely, to the belief that all animals and plants are descended from some one prototype.