The world will still need ever-smarter specialists doing ever-more complex work.
It maybe assumed as desirable that the demand for cotton should be so spread as to keep its price as steady as possible - " steadiness " will be defined more exactly later - and that to this end it is essential that specialists should devote themselves to the task of spreading it.
Natural history is covered by various periodical publications of the Royal Zoological Society " Natura Artis Magistra " at Amsterdam, and the Natuurlijke Historie van Nederland (Haarlem, 1856-1863) written by specialists, and including ethnology and flora.
The absurd attempt was, and sometimes is still, made by geographers to include all natural science in geography; but it is more common for specialists in the various detailed sciences to think, and sometimes to assert, that the ground of physical geography is now fully occupied by these sciences.
In the immense region which Gibbon surveyed there is hardly a section which has not been submitted to the microscopic examination of specialists.