SUMMARY OF CONCLUSIONS PART I. AND II. 277 



expand at least in proportion to the increases in the consuming 

 population. On the whole, it is desirable that it should, so that 

 the standard of living may be upward rather than downward. 

 Under these circumstances it appears that if the favourable factors 

 are brought into early operation and no unforeseen unfavourable 

 factors arise, the shortage of animal foodstuffs may be of short 

 duration : it may indeed be followed within a decade or so by a 

 period of comparative abundance of animal foodstuffs for the 

 consuming populations of the world. 



