The American Journal of Science and ArtsS. Converse, 1870 |
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Results 1-5 of 61
Page 29
... specimens everywhere , as compared with the true type of trees , such as we are accustomed to in our own noble denizens of the Mississippi Valley forests . True , on the larger streams , the black alluvial deposit grow some very fine ...
... specimens everywhere , as compared with the true type of trees , such as we are accustomed to in our own noble denizens of the Mississippi Valley forests . True , on the larger streams , the black alluvial deposit grow some very fine ...
Page 30
... specimens . Quercus rubra is more plentiful , principally young trees . Quercus palustris , in the southern portion of the State is abundant , the principal tree - growth mostly bushes and young trees , and some large old specimens of ...
... specimens . Quercus rubra is more plentiful , principally young trees . Quercus palustris , in the southern portion of the State is abundant , the principal tree - growth mostly bushes and young trees , and some large old specimens of ...
Page 32
... specimens . The Vernonia fascicularis that gives so much character and notability to the bottom lands and wet prairies of Illinois in the autumn months , is here represented by an allied species , Vernonia Arkansana , but in much fewer ...
... specimens . The Vernonia fascicularis that gives so much character and notability to the bottom lands and wet prairies of Illinois in the autumn months , is here represented by an allied species , Vernonia Arkansana , but in much fewer ...
Page 36
... specimens leave a bright green undissolved residue , which I judge to be spinel both from its hardness , its not being at- tacked by fusion with soda , and complete decomposition by bisulphate of soda . In the following analyses the ...
... specimens leave a bright green undissolved residue , which I judge to be spinel both from its hardness , its not being at- tacked by fusion with soda , and complete decomposition by bisulphate of soda . In the following analyses the ...
Page 37
... specimens . An analysis gave the following composition : Čac FeC Mgö Insol . .76 5.69 MnC 50.40 43.54 0.08 = 100.47 Specific gravity = 3.052 . Hardness = 4 . The mineral differs from the known dialogites by its greater proportion of ...
... specimens . An analysis gave the following composition : Čac FeC Mgö Insol . .76 5.69 MnC 50.40 43.54 0.08 = 100.47 Specific gravity = 3.052 . Hardness = 4 . The mineral differs from the known dialogites by its greater proportion of ...
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Common terms and phrases
Abiogenesis action alcohol ambulacral ammonia amount Antedon antozone apparatus appears Arisaig arsenic acid arsenite arsenite of ethyl atomic volumes auroras body boiling Brachiopods carbon cent chlorid Cimoliasaurus color columbite compounds containing copper core corresponding Cretaceous Crinoids crystals deflection determined diameter distilled Elasmosaurus elasticity electrized oxygen Eozoon equal equator ether experiments feet flame formula fossils galvanometer genus geological give glass gneisses heat helix hydrogen hypermanganate inch iodid iron Laurentian Leidy length less limestone lines liquid magnetic manganese mass matter mean metal method molecules needle observations obtained oxyd oxygen ozone paper period photosphere plants plates portion potassium potassium iodid precipitated present prism produced Prof quantity radiation region rocks selenium sodium solar spots solution species specimens spectrum spirals sulphur sulphuric acid sun's surface temperature theory thickness tion tube vibration wire zinc
Popular passages
Page 386 - Out of the eater came forth meat, and out of the strong came forth sweetness.
Page 389 - But the great tragedy of Science — the slaying of a beautiful hypothesis by an ugly fact...
Page 402 - I commenced this Address by asking you to follow me in an attempt to trace the path which has been followed by a scientific idea, in its long and slow progress from the position of a probable hypothesis to that of an established Law of Nature. Our survey has not taken us into very attractive regions ; it has lain chiefly in a land flowing with the abominable, and peopled with mere grubs and mouldiness.
Page 385 - ... something which is kept away by gauze. But gauze will not keep away aeriform bodies, or fluids. This something must, therefore, exist in the form of solid particles too big to get through the gauze. Nor is one long left in doubt what these solid particles are; for the blowflies, attracted by the...
Page 402 - ... And thus mankind will have one more admonition that " the people perish for lack of knowledge " ; and that the alleviation of the miseries, and the promotion of the welfare, of men must be sought, by those who will not lose their pains, in that diligent, patient, loving study of all the multitudinous aspects of Nature, the results of which constitute exact knowledge, or Science.
Page 397 - ... of an inch in diameter, which are made visible in the lymph by the microscope. Similar experiments have proved that two of the most destructive of epizootic diseases, sheep-pox and glanders, are also dependent for their existence and their propagation upon extremely small living solid particles, to which the title of mierozymes is applied.
Page 401 - It seems to me impossible to rise from the perusal of those publications without a strong conviction that the lamentable mortality which so frequently dogs the footsteps of the most skilful operator, and those deadly consequences of wounds and injuries which seem to haunt the very walls of great hospitals, and...
Page 395 - I should expect to be a witness of the evolution of living protoplasm from not living matter. I should expect to see it appear under forms of great simplicity...
Page 143 - And assuredly, there is no mark of degradation about any part of its structure. It is, in fact, a fair average human skull, which might have belonged to a philosopher, or might have contained the thoughtless brains of a savage.
Page 384 - The philosophers of antiquity, interrogated as to the cause of these phenomena, were provided with a ready and a plausible answer. It did not enter their minds even to doubt that these low forms of life were generated in the matters in which they made their appearance. Lucretius, who had drunk deeper of...