When Dr. Morton said there were abyssal fish in the lagoon, I knew why they'd be there.

Core-takers had been dropped to get samplings of abyssal mud.

Such a rock is necessarily oceanic; but more than this, it is abyssal.

In their morphological characters they gradually approach the pelagic forms upwards and the abyssal downwards.

Dimya; recent in abyssal depths and fossil since the Jurassic.

No other mountains in the world are at once so continuously lofty and so near a coast which drops off to abyssal depths.

A third haunt of life is the floor of the Deep Sea, the abyssal area, which occupies more than a half of the surface of the globe.

Some of the limestones are made of Foraminifera, together with Radiolaria, and indicate a subsidence to abyssal depths.

When the tormenting noise-beam struck again, the abyssal monster flung itself about crazily.

The known deposits all point to shallow waters of epicontinental seas; no abyssal formations have been recognized.