Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1870 - 384 من الصفحات |
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الصفحة 8
... seems to have obtained a deeper hold , many eminent naturalists having to some extent adopted it . We have , however , never been able to find a case in which the circle has been closed by a direct and close affinity . In most cases a ...
... seems to have obtained a deeper hold , many eminent naturalists having to some extent adopted it . We have , however , never been able to find a case in which the circle has been closed by a direct and close affinity . In most cases a ...
الصفحة 14
... seem to show that there has been a general , but not a detailed pro- gression . Mollusca and Radiata existed before Ver- tebrata , and the progression from Fishes to Reptiles and Mammalia , and also from the lower mammals . to the ...
... seem to show that there has been a general , but not a detailed pro- gression . Mollusca and Radiata existed before Ver- tebrata , and the progression from Fishes to Reptiles and Mammalia , and also from the lower mammals . to the ...
الصفحة 18
... seems no less probable that a change in the physical conditions of a district , even small in amount if rapid , or even gradual if to a great amount , would be highly unfavourable to the existence of individuals , might cause the ...
... seems no less probable that a change in the physical conditions of a district , even small in amount if rapid , or even gradual if to a great amount , would be highly unfavourable to the existence of individuals , might cause the ...
الصفحة 19
... seems a fair assumption that during a period of geological repose the new species which we know to have been created would have appeared , that the creations would then exceed in number the extinctions , and therefore the number of ...
... seems a fair assumption that during a period of geological repose the new species which we know to have been created would have appeared , that the creations would then exceed in number the extinctions , and therefore the number of ...
الصفحة 27
... seem quite incompatible with the " per- manent invariability of species , " but the difficulty is overcome by assuming that such varieties have strict limits , and can never again vary further from the original type , although they may ...
... seem quite incompatible with the " per- manent invariability of species , " but the difficulty is overcome by assuming that such varieties have strict limits , and can never again vary further from the original type , although they may ...
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عبارات ومصطلحات مألوفة
abundant action adapted alike Amboyna animals antennæ appear beautiful become bees beetles birds Borneo brain brilliant build butterflies caterpillars causes Celebes changes character closely allied species colour concealed conspicuous Crown 8vo curious Darwin Diphilus distinct Edition eggs essay evidence exactly existence external extinct Extra fcap facts faculties favourable Fcap flowers genera genus geological groups Guinea habits Heliconidæ imitation India individuals inhabiting insects instinct islands Java larvæ Lepidoptera less Malayan male Mimeta mimic mimicry mode modified Moluccas moths natural selection nectary nest never nidification number of species observations occur organic Origin of Species Ormenus Pammon Papilio Papilio Ulysses Papilionidæ peculiar perfect period phenomena POEMS Polydorus possess present probably produced protection race regions remarkable render resemble savage sexes sexual sexual selection shown structure Sumatra tail theory of natural Theseus tints tion trees tropical variation varied varieties whole wings
مقاطع مشهورة
الصفحة 38 - THE GOLDEN TREASURY OF THE BEST SONGS AND LYRICAL POEMS IN THE ENGLISH LANGUAGE. Selected and arranged, with Notes, by FRANCIS TURNER PALGRAVE.
الصفحة 41 - The Song Book. Words and Tunes from the best Poets and Musicians. Selected and arranged by JOHN HULLAH, Professor of Vocal Music in King's College, London.
الصفحة 30 - THE PRINCE'S PROGRESS, AND OTHER POEMS. With two Designs by DG ROSSETTI. Fcap. 8vo. 6s. " Miss Rossetti' 's poems are of the kind which recalls Shelley's definition of Poetry as the record of the best and happiest moments of the best and happiest minds.
الصفحة 366 - WILL, while we have no knowledge of any other primary cause of force, it does not seem an improbable conclusion that all force may be will-force; and thus, that the whole universe is not merely dependent on, but actually is, the WILL of higher intelligences or of one Supreme Intelligence.
الصفحة 39 - BACON'S ESSAYS AND COLOURS OF GOOD AND EVIL. With Notes and Glossarial Index. By W. ALDIS WRIGHT, MA "The beautiful little edition of Bacon's Essays, now before us, does credit to the taste and scholarship of Mr.
الصفحة 383 - A Narrative of the Expedition to Central Africa for the Suppression of the Slave Trade, organised by ISMAIL, Khedive of Egypt.
الصفحة 32 - The editor has aimed to produce a book ' ' which the emigrant, finding room for little not absolutely necessary, might yet find room for in his trunk, and the traveller in his knapsack, and that on some narrow shelves where there are few books this might be one.
الصفحة 27 - One quality in the piece, sufficient of itself to claim a moment's attention, is that it is unique— original, indeed, is not too strong a word — in the manner of its conception and execution.
الصفحة 5 - Galileo. — THE PRIVATE LIFE OF GALILEO. Compiled principally from his Correspondence and that of his eldest daughter, Sister Maria Celeste, Nun in the Franciscan Convent of S. Matthew in Arcetri. With Portrait. Crown 8vo.
الصفحة 23 - THE POEMS OF ARTHUR HUGH CLOUGH, sometime Fellow of Oriel College, Oxford. Fourth Edition. Fcap. 8vo. 6s. "from the higher mind of cultivated, all-questioning, but still conservative England, in this our puzzled generation, we do not know of any utterance in literature so characteristic as the poems of Arthur Hugh Clough.