Proceedings, American Philosophical Society (vol. 32, 1894)American Philosophical Society |
Häufige Begriffe und Wortgruppen
abdomen amber AMER Ammonoidea Ammonoids ananeanic substage ananepionic aperture apex Aphetoceras apical appears arcuate auxiliary vein Barrande Cenoceras characteristics characters Cladura closely coiled contact furrow costations cross vein described diameter discal cell distinct dorsal furrow dorsal lobes dorsum electrical ephebic stage Estonioceras Eutrephoceras femora figured Florissant fossil genera genus gerontic gerontic stage Gonomyia gyroceran Heer hind femora hyponomic impressed zone involution Kaiser legs Length of wings Limnophila lines of growth Lituites living chamber Loew long as broad longitudinal vein magnet marginal cell metanepionic substage Nautiloidea Nautiloids Nautilus Nautilus pompilius neanic stage nepionic stage Nostoceras observed ontogeny Osten Sacken outline paranepionic substage PHILOS plates posterior cell præfurca PROC Prof protoconch Ptychoceras Radoboj saddles Schroederoceras septa septum shown side view Silurian similar siphuncle Society species specimen sutures Tertiary tibiæ tion Tipula transverse Trocholites tubercles umbilical perforation venter ventral ventro-dorsal volution whorl XXXII young
Beliebte Passagen
Seite 108 - ... and the hot weather coming on, when electrical experiments are not so agreeable, it is proposed to put an end to them for this season somewhat humorously in a party of pleasure on the banks of Skuylkil. Spirits, at the same time, are to be fired by a spark sent from side to side through the river, without any other conductor than the water ; an experiment which we some time since performed to the amazement of many.
Seite 104 - Society of London, a present of a glass tube with some account of the use of it in making such experiments. I eagerly seized the opportunity of repeating what I had seen at Boston; and, by much practice...
Seite 248 - On Three Several Hurricanes of the Atlantic, and their Relations to the Northers of Mexico and Central America.
Seite 103 - Collinson, Fellow of the Royal Society of London, a present of a glass tube, with some account of the use of it in making such experiments.
Seite 113 - While you, Great George, for safety hunt, And sharp conductors change for blunt, The empire's out of joint. Franklin a wiser course pursues, And all your thunder fearless views By keeping to the point.
Seite 113 - I have never entered into any controversy in defence of my philosophical opinions; I leave them to take their chance in the world. If they are right, truth and experience will support them ; if wrong, they ought to be refuted and rejected.
Seite 254 - Report of the Chief Signal Officer to the Secretary of War for the year ending June 30, 1871.
Seite 113 - The king's changing his pointed conductors for blunt ones is, therefore, a matter of small importance to me. If I had a wish about it, it would be that he had rejected them altogether as ineffectual. For it is only since he thought himself and family safe from the thunder of heaven that he dared to use his own thunder in destroying his innocent subjects...
Seite 153 - Observations to determine the magnetic dip at Baltimore, Philadelphia, New York, West Point, Providence, Springfield, and Albany, (made jointly with Professor EH Courtenay.) Trans.
Seite 106 - At one end of the axis there is a small handle, with which you turn the sphere like a common grindstone. This we find very commodious, as the machine takes up but little room, is portable, and may be enclosed in a tight box, when not in use.