Annual rainfall, diminishing to about 20 to 30 in.
Closely related to the law of diminishing returns is the Theory of Rent.
Live-stock are diminishing in numbers all round: in the case of horses, from 21 per 100 inhabitants in 1882 to II per loo inhabitants in 1904; of cattle, from 31 in 1851 to 23 in 1882 and 27 in 1904; sheep, from 56 to 46 and 41 in the years named respectively; and pigs, from 13 to 9 and 10 respectively.
He managed to keep his body fluids up by frequent gulps to replenish his rapidly diminishing energy.
Colsa, grown chiefly in the lower basin of the Seine (SeineInfrieure and Eure), is the most important of the oil-producing plants, all of which show a diminishing acreage.