The Scientific Monthly, Volumul 15James McKeen Cattell American Association for the Advancement of Science, 1922 |
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Pagina 12
... certain years , it was difficult to compare trees together and pro- duce reliable data . In case of the sensitive tree growing in the uplands there was so much individuality in the rings that nearly all of the trees could be dated with ...
... certain years , it was difficult to compare trees together and pro- duce reliable data . In case of the sensitive tree growing in the uplands there was so much individuality in the rings that nearly all of the trees could be dated with ...
Pagina 15
... certain primitive trees as an indication that no seasons existed in certain early times . Whatever may have been the cause of that absence , we recognize that the ring is caused primarily by changes in temperature and moisture . Now if ...
... certain primitive trees as an indication that no seasons existed in certain early times . Whatever may have been the cause of that absence , we recognize that the ring is caused primarily by changes in temperature and moisture . Now if ...
Pagina 20
... certain kind of slow surging in ring size . Both of these features are char- acteristic of wet climates . The stumps at higher levels show char- acters common in dry climates , that is , general small rings and a certain snappy ...
... certain kind of slow surging in ring size . Both of these features are char- acteristic of wet climates . The stumps at higher levels show char- acters common in dry climates , that is , general small rings and a certain snappy ...
Pagina 21
... certain solar and terrestrial activities by the aid of his- torical writing in the trees . The work is not done ; a wide door is open to the future . Hence it is impossible to make an artistic con- clusion . There is no real conclusion ...
... certain solar and terrestrial activities by the aid of his- torical writing in the trees . The work is not done ; a wide door is open to the future . Hence it is impossible to make an artistic con- clusion . There is no real conclusion ...
Pagina 22
... certain especially uni- form parts of higher latitudes . This is illustrated when the average differences in mean temperature between the three warmest months and 2223 THE SCIENTIFIC MONTHLY VARIABILITY VS UNIFORMITY IN THE TROPICS ...
... certain especially uni- form parts of higher latitudes . This is illustrated when the average differences in mean temperature between the three warmest months and 2223 THE SCIENTIFIC MONTHLY VARIABILITY VS UNIFORMITY IN THE TROPICS ...
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Termeni și expresii frecvente
abundant algæ American animals ants aphid astronomer atoms birds body bugonia bumble-bees called cells cent changes character colony comb course cycle Dominion Observatory earth eggs electrons elements entomologists evidence evolution fact feeding females fonoline forest Hippocrates honey honey-bee human imagination immigration important individual insects intelligence interest islands J. J. Thomson land larva larvæ less living males mass matter means ment mental method mind modern monogyny natural history nest Observatory observed ocean organisms parasitoid plankton plants pollen polygynous potato present primitive problem Professor progress queen race reason record regions SCIENTIFIC MONTHLY social wasps solitary bees South species stage stingless bees story Tar-baby temperature tests theory things tion to-day trees trench fever trophallaxis tropical two-faculty wasps wild WILLIAM MORTON WHEELER words workers
Pasaje populare
Pagina 60 - There they stood, ranged along the hill-sides — met To view the last of me, a living frame For one more picture ! in a sheet of flame I saw them and I knew them all. And yet Dauntless the slug-horn to my lips I set And blew " Childe Roland to the Dark Tower came...
Pagina 219 - Now go and smite Amalek, and utterly destroy all that they have, and spare them not ; but slay both man and woman, infant and suckling, ox and sheep, camel and ass.
Pagina 66 - Heroes who despise the Dutch, And rail at new-come Foreigners so much ; Forgetting that themselves are all deriv'd From the most Scoundrel Race that ever liv'd, A horrid Crowd of Rambling Thieves and Drones, Who ransack'd Kingdoms, and dispeopled Towns...
Pagina 495 - the albatross wheels in circles round and round, and forever round the ship — now far behind, now sweeping past in a long, rapid curve, like a perfect skater on an untouched field of ice. There is no effort : watch as closely as you will, you rarely or never see a stroke of the mighty pinion. The flight is generally near the water, often close to it. You lose sight of the bird as he disappears in the hollow between the waves, and catch him again as he rises over the crest ; but how he rises and...
Pagina 215 - At the mouth of two witnesses, or three witnesses, shall he that is worthy of death be put to death; but at the mouth of one witness he shall not be put to death.
Pagina 215 - And this is the case of the slayer, which shall flee thither, that he may live : Whoso killeth his neighbour ignorantly, whom he hated not in time past ; as when a man goeth into the wood with his neighbour to hew wood, and his hand fetcheth a stroke with the axe to cut down the tree, and the head slippeth from the helve, and lighteth upon his neighbour, that he die ; he shall flee unto one of those cities, and live...
Pagina 328 - July 3, 1918, entitled an act to give effect to the convention, prohibited the killing, capturing or selling any of the migratory birds included in the terms of the treaty except as permitted by regulations compatible with those terms, to be made by the Secretary of Agriculture.
Pagina 546 - The impossibility of separating the nomenclature of a science from the science itself is owing to this, that every branch of physical science must consist of three things: the series of facts which are the objects of the science, the ideas which represent these facts, and the words by which these ideas are expressed. Like three impressions of the same seal, the word ought to produce the idea, and the idea to be a picture of the fact.
Pagina 292 - The more I learn by heart the more clearly do I see images of my pages. Even before I can recite the lines I see them so that I could give them very slowly word for word, but my mind is so occupied in looking at my printed image that I have no idea of what I am saying, of the sense of it, etc. When...
Pagina 219 - Then came the word of the LORD unto Samuel, saying, It repenteth me that I have set up Saul to be king : for he is turned back from following me, and hath not performed my commandments.