Guadaloupe fossil human skeleton, description of the skull of, J. Moultrie, xxxii, 361.
Guano, remarks on, J. E. Teschemacher, xlvi, 203.
—, account and analysis of, xlviii, 181.
—, change in bones in, R. Warrington, xlix, 391.
—, xanthic oxide in, xlix, 200.
—, xanthine in, Unger, xlix, 391.
Guillemin, J. B. A., on the bitterness of vegetables, xxiv, 273.
Gulf of Mexico, accumulation of water in, supposed from the action of the Gulf Stream, v, 353.
Gulf Stream, cause of, v, 353.
— —, existence of, determined by B. Franklin, xlvii, 162.