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Page 228 - Reports from the Secretary of the Treasury, of scientific investigations in relation to sugar and hydrometers, made, under the superintendence of Prof.
Page 179 - A mixture of hydrogen (an inflammable gas) with oxygen (an ingredient of atmospheric air), in the proportion of two volumes of the former to one of the latter...
Page 153 - Catalogus Systematicus ad Cramerum, auctore Henrici Verloren ; ' by the Author. ' Memoires de la Societe de Physique et d'Histoire Naturelle de Geneve,
Page 268 - It was voted that a committee of five be appointed by the Chair to promote and co-operate in the development of printed catalog cards In relation with international arrangements.
Page 152 - A Eulogy on the Life and Character of John Quincy Adams, delivered at the Request of the Legislature of Massachusetts, in Faneuil Hall, April 15, 1848.
Page 279 - Observations on Days of Unusual Magnetic Disturbance, made at the British Colonial Magnetic Observatories under the Departments of the Ordnance and Admiralty, printed by the British Government under the Superintendence of Lieut.-Col.
Page 276 - Read before the Association of Medical Superintendents of American Institutions for the Insane, at Boston, June, 1850.
Page 230 - Report of the Select Committee of the Legislature of 1849, on the Publication of the Natural History of the State of New York.
Page 136 - Similar phenomena occur on several of the Swiss lakes. Professor Mather, who observed the barometer at Copper Harbour during one of these fluctuations, remarks : — " As a general thing, fluctuations in the barometer accompanied fluctuations in the level of the water ; but sometimes the water-level varied rapidly in the harbour while no such variations occurred in the barometer at the place of observation." As a general rule, these variations in the water-level indicate the approach of a storm,...