Gilbert, Sir Humphrey, Gulf Stream, 307.

Gilbert, William, of Colchester, terrestrial magnetism, 158, 159, 177, 179, 182.

Gillies, Dr., on the snow-line of South America, 330, 331.

Gioja, crater of, 98.

Girard, composition and texture of basalt, 253.

Glaisher, James, on the Aurora Borealis of Oct. 24, 1847. See Translator's notes, 194, 200.

Goldfuss, Professor, examination of fossil specimens of the flying saurians, 274.

Goppert on the conversion of a fragment of amber-tree into black coal, 281; eyeadeae, 283; on the amber-tree of the Baltic, 283, 284.

Gothe, 41, 47, 53.

Greek philosophers, their use of the term Cosmos, 69, 70; hypotheses on aerolites, 122, 123, 134.