— of prussic acid, xix, 70.
— of soda, xix, 83.
— of sulphate of magnesia, xix, 84.
— of sulphate of quinine, xix, 84.
— of tartrate of potash, xix, 85.
— of tartar emetic, xix, 86.
— of vinegar, xix, 86.
Aerial navigation, principles of, H. Strait, xxv, 15.f
Aerolite, see [Meteorite].
Aerostation, observations made during an ascent, E. Robertson, xii, 166, 325.