The American Journal of Science and ArtsS. Converse, 1879 |
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Página ix
... given in my tenth paper , page 9 , except that I have added the cases found in the volumes of observations since published for January , February and AM . JOUR . SCI . - THIRD SERIES , VOL . XVIII , No. 103. — JULY , 1879 . TABLE I ...
... given in my tenth paper , page 9 , except that I have added the cases found in the volumes of observations since published for January , February and AM . JOUR . SCI . - THIRD SERIES , VOL . XVIII , No. 103. — JULY , 1879 . TABLE I ...
Página 8
... given date was below its mean height for that month as deduced from the observations of six years ; column 7th shows how much the thermometer on the north side of the low area was depressed below its mean height for the hour of ...
... given date was below its mean height for that month as deduced from the observations of six years ; column 7th shows how much the thermometer on the north side of the low area was depressed below its mean height for the hour of ...
Página 21
... given by Professor Dana in his Manual of Geology ( ed . 1875 ) . There is no natural section or gap through the metamorphic and eruptive rocks at this point on the Blue Ridge , but the outcrop is quite distinct , except that of a mass ...
... given by Professor Dana in his Manual of Geology ( ed . 1875 ) . There is no natural section or gap through the metamorphic and eruptive rocks at this point on the Blue Ridge , but the outcrop is quite distinct , except that of a mass ...
Página 22
... given to this heavy bed of rock by the Scolithus line- aris . These fossils are so numerous that I recently counted at Balcony Falls about 150 of their extremities projecting on one square foot of surface . This may very properly be ...
... given to this heavy bed of rock by the Scolithus line- aris . These fossils are so numerous that I recently counted at Balcony Falls about 150 of their extremities projecting on one square foot of surface . This may very properly be ...
Página 27
... given it . But in this regard , also , the irregularities are too numerous and limited to find a place on the section . The strata of this group all thin off as they extend farther towards the interior basin of the coal regions . They ...
... given it . But in this regard , also , the irregularities are too numerous and limited to find a place on the section . The strata of this group all thin off as they extend farther towards the interior basin of the coal regions . They ...
Índice
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81 | |
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228 | |
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106 | |
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360 | |
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491 | |
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Palavras e frases frequentes
acid apatite appears basalt bowlders bright lines C. H. F. PETERS carbon carpels chabazite clay coal bed color column containing County Cuvier Dawson density deposits described determined Devonian distance drift earth east eosphorite Eozoon Eozoon Canadense equation erbia eruption experiments feet focal formation formula fossil genus geological gives glacial glass gravel heat height hills inches iron Island Journal light limestone lithiophilite lower magnetic memoir miles mineral molecules moraine Mountain nearly nitrification observed obtained oxide oxygen Palæontology paper phosphorescence photographs plane plants plates pole portion premolar present pressure probably Professor Radiant Matter rays region ridges River rocks sand sandstone schist SCI.-THIRD SERIES shales side Silurian solution species specific gravity specimens strata surface temperature terminal moraine thickness Tinodon tion tube upper valley vapor volume wave length wind
Passagens conhecidas
Página 490 - The publications of the United States Geological Survey are issued in accordance with the statute approved March 3, 1879, which declares that — 1 ' Thepublications of the Geological Survey shall consist of the annual report of operations, geological and economic maps illustrating the resources and classification of the lands, and reports upon general and economic geology and paleontology.
Página 489 - And all collections of rocks, minerals, soils, fossils, and objects of natural history, archseology, and ethnology, made by the Coast and Interior Survey, the Geological Survey, or by any other parties for the Government of the United States, when no longer needed for investigations in progress, shall be deposited in the National Museum.
Página 330 - I declare that I had no intention to contradict the text of Scripture ; that I believe most firmly all therein related about the creation, both as to order of time and matter of fact ; I abandon everything in my book respecting the formation of the earth, and, generally, all which may be contrary to the narration of Moses...
Página 490 - Survey, and the classification of the public lands and examination of the Geological Structure, mineral resources and products of the national domain...
Página 339 - History of the Fossil Fruits and Seeds of the London Clay," appeared in 1843. Hooker's memoir " On the Vegetation of the Carboniferous Period as compared with that of the present day," published in 1848, was an important contribution to the science.
Página 407 - of the Palaeozoic Period, with Critical Descriptions of Illustrative Species. Illustrated with 15 Lithograph Plates and numerous Engravings.
Página 260 - Yet all these were when no man did them know, Yet have from wisest ages hidden beene; And later times thinges more unknowne shall show. Why then should witlesse man so much misweene, That nothing is, but that which he hath seene?
Página 88 - Annals of the Lyceum of Natural History of New York, vol.
Página 329 - The first of these obnoxious passages, and the only one relating to geology, was as follows : — ' The waters of the sea have produced the mountains and valleys of the land — the waters of the heavens, reducing all to a level, will at last deliver the whole land over to the sea, and the sea successively prevailing over the land, will leave dry new continents like those which we inhabit.
Página 252 - FIG. 2. metallic side of the vanes, the mica side remaining dark. As the pressure diminishes, a dark space is seen to separate the violet halo from the metal. At a pressure of half a millim. this dark space extends to the glass, and positive rotation commences. On continuing the exhaustion the dark space further widens out and appears to flatten itself against the glass, when the rotation becomes very rapid.