The equatorial sea is nearly windless.

LEAD: Indonesia consists of 13,677 islands scattered over equatorial seas.

He could pilot halfway around the equatorial sea without a chart.

The present invertebrate animal life of the planet is of this type and is confined to the equatorial seas.

The winter winds frequently blow over dead trees and roll them as far as the equatorial seas.

The animals can, of course, eat each other too, or make a meal of the small carbonaceous animals of the equatorial seas.

These organisms have a wide geographic range, from polar regions under sea ice to equatorial seas.

Salps are common in equatorial, temperate, and cold seas, where they can be seen at the surface, singly or in long, stringy colonies.

The unbroken serenity of the equatorial sea mocked the men as they warily eyed one another and their limited food and water.

The continents were clustered in the northern hemisphere, far from the raging equatorial sea and the vast, silent ocean of the south.