“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.” Life IsApproachMarkDeeperRegionsSparksFewerAbyssExhibitsLingeringGmosOcean Exploration Book:The Natural History of the European Seas... Source: The Natural History of the European Seas...