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actinium actinolite activity alcohol amount of radium appears basalt batholiths beds benzoic benzoic acid Bohio breccias carbonate cent Chem chemical color containing crystals curve cyanacetic deposits described determined Diceratherium dilute distilled elephants Eocene esterification ethyl evidence experiments fauna feet feldspar filtered filtrate flask formation fossils Geol Geological given gram granite heat Hill hornblende hydrochloric acid hydroxide indicated ionium ionization iron Journal lake later limestone lower magma magnesium magnetite malonic acid malonic ester material method miles mineral Miocene molar observed obtained occur olivine Ordovician original oxide paper particles plates polonium portion potassium precipitated present probably Professor pure radio-active radium emanation residue rock sandstone separated shale shown Silurian skull sodium solution species specimens substance sulphate sulphuric acid surface Table temperature thickness thorium tion titration tube upper uranium valley vapor zinc chloride
Seite 170 - they are exceeding wise,' that they are ' but a feeble folk, yet make their houses in the rocks.
Seite 186 - ... of the soil; a race of animals were in being, huge as the frowning precipice, cruel as the bloody panther, swift as the descending eagle, and terrible as the angel of night.
Seite 151 - Experimental work conducted in the chemical laboratory of the United States fuel-testing plant, St. Louis, Mo., January 1, 1905, to July 31, 1906, by NW Lord.
Seite 462 - ... considerable limits, thereby increasing both the scope and sensitiveness of the manometer. The sensitiveness in our instrument with this arrangement was about three times that of the Reichsanstalt. (3) The expansion of the bulb material was determined with great care and is probably accurate within 0.5 per cent. (4) The unheated space between the bulb and manometer has been reduced until the total correction in this hitherto uncertain region amounts to less than 4° at 1100°.
Seite 97 - BULLETIN 339. The purchase of coal under government and commercial specifications on the basis of its heating value, with analyses of coal delivered under government contracts, by DT Randall. 1908. 27 pp. 5 cents. BULLETIN 343.
Seite 189 - ... respectively. Trilophodon (Figs. 195, D, D'; 202) is the third stage in proboscidean evolution, if we omit Dinotherium, and is well represented by the Miocene Trilophodon angustidens of which a splendid specimen from Gers, France, is preserved in the museum of the Jardin des Plantes at Paris (see Pl.
Seite 176 - ... must," during which they become very dangerous and sometimes destroy the keepers in their paroxysms of rage. Ultimately all male elephants become surly and intractable; in the wild state such are known as rogues and live apart from their kind until they die. The great Asiatic elephant "Gunda
Seite 452 - ... obtained at different times from the same dealer and of the same (nominal) purity. This may serve to emphasize more than ever before the desirability of a provision, preferably by some national bureau of standards, for standard metals, the uniform purity of which can be absolutely depended upon, and in terms of which such constants can be expressed. In the absence of such a provision, it is difficult to see just how to make the gas scale conveniently available for general use in its full accuracy....
Seite 179 - Increase in size and in the development of pillar-like limbs to support the enormous weight. Increase in size and complexity of the teeth and their consequent diminution in numbers and the development of the peculiar method of tooth succession. The loss of the canines and of all of the incisor teeth except the second pair in the upper and lower jaws and the development of these as tusks. The gradual elongation of the symphysis or union of the lower jaws to strengthen and support the lower tusks while...