The Journal of Science, and Annals of Astronomy, Biology, Geology, Industrial Arts, Manufactures, and Technology, Volumen15James Samuelson, Sir William Crookes J. Churchill and Sons., 1878 |
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Página 33
... change has occurred in the circumstances to which the parent is exposed . But it is difficult to avoid the conclusion that the " residual " here is an internal tendency to vary , faint instances of whose action we see in the facts that ...
... change has occurred in the circumstances to which the parent is exposed . But it is difficult to avoid the conclusion that the " residual " here is an internal tendency to vary , faint instances of whose action we see in the facts that ...
Página 35
... change their shade from whatever position they are regarded , and which possess little of that intense lustre which marks the former class . To this kind belong the colours of all flowers , of caterpillars , of the great majority of our ...
... change their shade from whatever position they are regarded , and which possess little of that intense lustre which marks the former class . To this kind belong the colours of all flowers , of caterpillars , of the great majority of our ...
Página 36
... changes produced by the action of light we shall notice the following facts : -Pigment greens , blues , lilacs , pinks , and roses - shades not very abundant in the animal kingdom -- are the first to fade . Full reds , purples , and ...
... changes produced by the action of light we shall notice the following facts : -Pigment greens , blues , lilacs , pinks , and roses - shades not very abundant in the animal kingdom -- are the first to fade . Full reds , purples , and ...
Página 37
... changes are in partial harmony with what we observe in the vegetable kingdom . A dull , dirty brown is the ultimate goal towards which leaves , flowers , and fruits , as well as insects , tend while fading ; but those splendid ...
... changes are in partial harmony with what we observe in the vegetable kingdom . A dull , dirty brown is the ultimate goal towards which leaves , flowers , and fruits , as well as insects , tend while fading ; but those splendid ...
Página 46
... changes in the same species in a state of Nature ; chrysalids fixed against a whitewashed wall being whitish ; those secured to a red brick wall being reddish ; whilst those fixed against a pitched paling were nearly black . The cocoon ...
... changes in the same species in a state of Nature ; chrysalids fixed against a whitewashed wall being whitish ; those secured to a red brick wall being reddish ; whilst those fixed against a pitched paling were nearly black . The cocoon ...
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action ammonia animals antennæ appear atmosphere atomic atomic weights become beds birds Boulder-clay Brentford carbonic acid cause cent chemical china clay clay colour compound condition contains deposits diluvium Ealing effect electric energy Europe evaporation evidence existence experience explained fact fauna feeling feet Finchley Geological glacial glaciers gravel gravific heat hypothesis inch insects lake larvæ less light liquid London London Clay lower matter means microscope moisture molecules motion natural nitrogen object observed obtained occur organic original palæolithic paper particles pebbles pedesis pedetic phenomena physical placer mines portion present probably produced Prof proper motion quantity Raoul Pictet recognised remarkable river rocks Sands and Gravels sandy Science scientific sense species stones substances sulphuric acid supposed surface temperature Thames theory tion trance tube valley vapour vibration wave whilst woolly rhinoceros
Pasajes populares
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Página 553 - LIGHT: a Series of Simple, entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of. Students of every age.
Página 268 - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 432 - Here are two large houses three or four hundred feet in length, and about one hundred and fifty feet wide at the base. They are situated upon opposite sides of a small creek, and in ancient times are said to have been conceded with a bridge.
Página 564 - Sanitary Engineering: a Guide to the Construction of Works of Sewerage and House Drainage, with Tables for facilitating the calculations of the Engineer. By BALDWIN LATHAM, CE, M. Inst. CE, FGS, FMS, Past-President of the Society of Engineers.
Página 424 - ... for Evocations. Containing the Theoretic Teachings of Spirits concerning all kinds of Manifestations, the Means of Communication with the Invisible World, the Development of Medianimity, &c.
Página 504 - ... explanation of the strange stratification which the voltaic discharge undergoes in rarefied gases, it is clear that the alternate disposition of light and darkness must be dependent on some periodic distribution in space or sequence in time which can at present be dealt with only in a very general w&y.
Página 511 - Next as to mechanical appliances. Mr. Babbage, when speaking of the difficulty of ensuring accuracy in the long numerical calculations of theoretical astronomy, remarked, that the science which in itself is the most accurate and certain of all had, through these difficulties, become inaccurate and uncertain in sume of its results.
Página 501 - Moliere's well-known character, been talking mathematics without knowing it. It is, moreover, a fact not to be overlooked that the appearance of isolation, so conspicuous in mathematics, appertains in a greater or less degree to all other sciences, and perhaps also to all pursuits in life. In its highest flight each soars to a distance from its fellows. Each is pursued alone for its own sake, and without reference to its connection with, or its application to, any other subject. The pioneer and the...
Página 432 - ... a bridge. They are five and six stories high, each story receding from the one below it, and thus forming a structure terraced from top to bottom. Each story is divided into numerous little compartments, the outer...