...It is a very remarkable fact that the species of shell-fish common to Greenland and Finmark are not all inhabitants of deep or moderately deep water .... That these littoral mollusks indicate by their presence on both sides of the Atlantic, some ancient continuity or contiguity of coast-line is what I firmly believe.

The naturalists of our own time hold equal faith in the wonders of the sea, but seek therein rather for the links of nature's chain than for apparent exceptions.

Moreover it is becoming the Britons, whether scientific or unscientific, who boast at all fitting occasions of their aptitude to rule the waves, should know something of the population of their saline empire, especially of those parts of it immediately in contact with their terrestrial domain, and the coasts of the Continent to which our United Kingdom appertains.

Palaeontological research exhibits, beyond question, the phenomenon of provinces in time, as well as provinces in space. Moreover, all our knowledge of organic remains teaches us, that species have a definite existence, and a centralization in geological time as well as in geographical space, and that no species is repeated in time.

I have in hands, now, specimens of bottom from t he Gulf Stream, obtained by Lieutenant Craven, and I can say that they are among the most interesting that I have ever seen.

As we descend deeper and deeper in this region its inhabitants become more and more modified, and fewer and fewer, indicating our approach towards an abyss where life is either extinguished , or exhibits but a few sparks to mark its lingering presence.

Zero of Animal Life probably about 300 fathoms.