To these phenomena he gives accordingly a correspondingly early date.
Columns have generally to bear a heavier weight than walls, and have to be correspondingly stronger.
The hot drought of 1893 extended over the spring and summer months, but there was an abundant rainfall in the autumn; correspondingly there was an unprecedentedly bad yield of corn and hay crops, but a moderately fair yield of the main root crops (turnips and swedes).
In the wheeled plough some of the weight and downward pull due to its action on the ground is taken by the wheels; the sliding friction is thus to some extent converted into a rolling friction, and the draught is correspondingly diminished.
The Great Plains are under correspondingly unfavourable conditions, for their scanty rainfall is of very variable amount.