Dicaearchus, his "parallel of the diaphragm," 289.
Diogenes Laertius, on the aerolite of Aegos Potamos, 116, 122, 134.
D'Orbigny, fossil remains from the Himalaya and the Indian plains of Cutch, 277.
Dove on the similar action of the declination needle to the atmospheric electrometer, 194; "law of rotation," 315; on the formation and appearance of clouds, 316; on the difference between the true temperature of the surface of the ground and the indications of a thermometer suspended in the shade, 325; hygrometric windrose, 333.
Doyere, his beautiful experiments on the tenacity of life in animalcules, 345.
Drake, shaking of the earth for successive days in the United States (1811-12), 211.
Dufrenoy et Elie de Beaumont, Geologie de la France, 253, 258, 259, 260, 262, 266.
Dumas, results of his chemical analysis of the atmosphere, 311.
Dunlop on the comet of 1825, 103.
Duperrey on the configuration of the magnetic equator, 183; pendulum oscillations, 166.