We have assumed that land forms have changed in the past under the influence of forces now in operation.
The land forms a shelter for our vessel, and we glide noiselessly over a perfectly calm sea.
Bats are numerous, but are of less geographical interest than land forms.
A low sandy tongue of land forms the South-West extreme, leaving a narrow passage between it and the main.
Although these land forms may long persist, the particles which compose them are ever changing.
Between these islands the land forms a very deep sound, which I called Berkeley's Sound.
The dominant forms result from crustal movements, the subsidiary from secondary reactions Geology and land forms.
But life forms and land forms are alike variable, both in nature and still more under the shaping hand of man.