The Aliaska chain connects the northwest coast of America with Kamtchatka; it comprises over 100 islands, and embraces about 7660 square miles.

The Koorile island extends to the south as far as Saghalien and Yesso.

The Japanese chain runs southward as far as Cape Corea, and includes the great island of Niphon with numerous smaller ones, embracing an area of 164,000 square miles.

Then follow:—

The Loo-Choo islands as far as Formosa.

The single island of Formosa, 13,000 square miles.

The coast island of Hainan, 16,450 square miles.

The numerous group of the Philippines, with the adjacent islands, 121,000 square miles.

The greater Sunda group, with its adjoining archipelago, 689,500 square miles. Of these, Borneo embraces 295,600 square miles; Sumatra, 167,700 square miles; Java, 54,600 square miles; and Celebes, 72,600 square miles.

The smaller Sunda group, 29,200 square miles.