As experiment has shown that light waves capable of effecting chemical changes do not penetrate the water deeper than 400 meters and as the other conditions of assimilation are met above this line, it is proposed to distinguish a diaphanic region including the land and the water to a depth of 400 m. and inhabited by assimilating organisms and an aphotic region including the ocean and lakes below the assimilation-line and the dark caves of the crust, where plant life is impossible.

Olive very quickly said, A bat, dear, and winked frownfully through the leaves. We were in the Blenheim-orange tree — secure from any one creeping up behind.

but, under the present circumstances, all clamours and opprobriations against them are futile, vague, and ill-grounded.

An autostrade at last where we could make up a bit for lost time!