We can so far take a prophetic glance into futurity as to foretell that it will be the common and widely-spread species, belonging to the larger and dominant groups within each class, which will ultimately prevail and procreate new and dominant species.

• 至今我们已可对未来投以先知性的一瞥，以至可以预告属于主要大群的普通而已广布的种将会优胜并产生新的主要的种。