Nature, Volumen23

Portada
Sir Norman Lockyer
Macmillan Journals Limited, 1881
 

Otras ediciones - Ver todas

Términos y frases comunes

Pasajes populares

Página 326 - I felt the sentiment of Being spread O'er all that moves and all that seemeth still, O'er all that, lost beyond the reach of thought And human knowledge, to the human eye Invisible, yet liveth to the heart ; O'er all that leaps and runs, and shouts and sings, Or beats the gladsome air ; o'er all that glides Beneath the wave, yea, in the wave itself, And mighty depth of waters.
Página 312 - Beagle," as naturalist, I was much struck with certain facts in the distribution of the organic beings inhabiting South America, and in the geological relations of the present to the past inhabitants of that continent. These facts, as will be seen in the later chapters of this volume, seemed to throw some light on the origin of species — that mystery of mysteries, as it has been called by one of our greatest philosophers.
Página 81 - Evolution is a change from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity, through continuous differentiations and integrations...
Página 101 - On which the comment may be that one who had studied celestial mechanics as much as the reviewer has studied the general course of transformations, might similarly have remarked that the formula — " bodies attract one another directly as their masses and inversely as the squares of their distances," was at best but a blank form for solar systems and sidereal clusters.
Página 326 - All scatter'd in the bottom of the sea. Some lay in dead men's skulls ; and, in those holes Where eyes did once inhabit, there were crept (As 'twere in scorn of eyes) reflecting gems, That woo'd the slimy bottom of the deep, And mock'd the dead bones that lay scatter'd by.
Página 312 - On my return home, it occurred to me, in 1837, that something might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could possibly have any bearing on it. After five years...
Página 67 - For it suggests that there is a sort of scientific knowledge of direct practical use, which can be studied apart from another sort of scientific knowledge, which is of no practical utility, and which is termed "pure science.
Página 227 - Judged from this point of view, there can be no doubt that the Monotremes embody that type of structure which constitutes the earliest stage of mammalian organisation : — 1.
Página 302 - The above experiments appear to prove conclusively that the surface fauna of the sea is really limited to a comparatively narrow belt in depth, and that there is no intermediate belt, so to speak, of animal life, between those living on the bottom, or close to it, and the surface pelagic fauna.
Página 100 - Without further remark we shall give Newton's Three Laws ; it being remembered that as the properties of matter might have been such as to render a totally different set of laws axiomatic, these laws must be considered as resting on convictions drawn from observation and experiment and not on intuitive perception?

Información bibliográfica