The American Journal of Science and ArtsS. Converse, 1855 |
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Seite iv
... color in Fossil Testacea , by EDWARD FORBES , F.R.S. , 126 - Arsenate of Lead and Vanadate of Lead : On the Ideniuity of Ripidolite of von Kobell with Clinochlore , by N. von KOKSCHAROV , 127 Botany and Zoology . — Martius Flora ...
... color in Fossil Testacea , by EDWARD FORBES , F.R.S. , 126 - Arsenate of Lead and Vanadate of Lead : On the Ideniuity of Ripidolite of von Kobell with Clinochlore , by N. von KOKSCHAROV , 127 Botany and Zoology . — Martius Flora ...
Seite 2
... color , and the apparent absence of flower , and foliage , and every thing else that renders a plant attractive . Overlying the metamorphic rock was seen a conglomerate of great thickness , similar to that which at Vallecitas forms the ...
... color , and the apparent absence of flower , and foliage , and every thing else that renders a plant attractive . Overlying the metamorphic rock was seen a conglomerate of great thickness , similar to that which at Vallecitas forms the ...
Seite 17
... color . On extracting some of the slate by aqua regia , the solution contained , besides iron and copper ( probably from the copper pyrites ) , a considerable quantity of bismuth . Neither tellurium nor lead could be found . It is ...
... color . On extracting some of the slate by aqua regia , the solution contained , besides iron and copper ( probably from the copper pyrites ) , a considerable quantity of bismuth . Neither tellurium nor lead could be found . It is ...
Seite 18
... color between iron - black and lead - gray ; streak iron - black ; opaque ; H. - 4 . Very brittle ; fracture uneven - subconchoidal . B.B. in an open tube disengages sulphurous acid ; and gives a sublimate of arsenious acid . On ...
... color between iron - black and lead - gray ; streak iron - black ; opaque ; H. - 4 . Very brittle ; fracture uneven - subconchoidal . B.B. in an open tube disengages sulphurous acid ; and gives a sublimate of arsenious acid . On ...
Seite 19
... color is between dark lead gray and iron black ; streak iron black , somewhat brownish ; fracture uneven , subconchoidal ; brittle . B.B. decrepitates slightly ; in an open tube disengages sulphur- ous acid and gives a sublimate of ...
... color is between dark lead gray and iron black ; streak iron black , somewhat brownish ; fracture uneven , subconchoidal ; brittle . B.B. decrepitates slightly ; in an open tube disengages sulphur- ous acid and gives a sublimate of ...
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Beliebte Passagen
Seite 4 - I mean stock to remain in this country, to the United States of America, to found at Washington, under the name of the Smithsonian Institution, an establishment for the increase and diffusion of knowledge among men.
Seite 6 - ... as they shall deem best suited for the promotion of the purpose of the testator, anything herein contained to the contrary notwithstanding.
Seite 12 - And the said regents shall make, from the interest of said fund, an appropriation, not exceeding an average of twenty-five thousand dollars annually, for the gradual formation of a library, composed of valuable works pertaining to all departments of human knowledge.
Seite 453 - Gift of the State of New York. 13034, 0. 5. Sixth annual report of the Regents of the University of the State of New York on the condition of the State Cabinet of Natural History, &o.
Seite 8 - Resolved, That hereafter the annual appropriations shall be apportioned specifically among the different objects and operations of the Institution in such manner as may, in the judgment of the Regents, be necessary and proper for each, according to its intrinsic importance, and a compliance in good faith with the law.
Seite 300 - An Introduction to Practical Astronomy, with a collection of Astronomical Tables ; by Prof. ELIAS LOOMIS, LL.D., &c. — Every cultivator of practical astronomy must have felt the want of some treatise embracing within moderate compass the requisite formulae and tables, together with descriptions of the most approved instruments and methods of observation.
Seite 316 - Temple, which afforded a good view of the entire scene. On a sudden, all traffic in the thronged mart was suspended, porters cleared the front street of every description of merchandise, boatmen ceased lading and unlading their vessels, and put out into the middle of the stream, so that a few moments sufficed to give a deserted appearance to the busiest part of one of the busiest cities of Asia.
Seite 299 - Parallel of latitude lying between Dona Ana on the Rio Grande and Pimas Villages on the Gila ; by Lieut.
Seite 2 - House whether the Smithsonian Institution has been managed, and its funds expended, in accordance with the law establishing the Institution ; and whether any additional legislation be necessary to carry out the designs of its founders, and that said committee have power to send for persons and papers.
Seite 179 - ... of the point. Grains of sand were thus pouring over the rocks in countless myriads, under the influence of the powerful current of air which seems to sweep constantly through this pass from the ocean to the interior. Wherever I turned my eyes, — on the horizontal tables of rock, or on the vertical faces turned to the wind, — the effects of the sand were visible: there was not a point untouched, — the grains had engraved their track on every stone. Even quartz was cut away and polished;...