BOOK XVII. III. 36-39
working and for the crops. We need only try to see the meaning of this remarkably significant expression 'tender', and we shall discover that the term comprises every desideratum. 'Tender' soil is soil of moderate richness, a soft and easily worked soil, neither damp nor parched; it is soil that shines behind the ploughshare, like the field which Homer, the fountain-head of all genius, has describeda as represented by a divine artist in a carving on a shield, and he has added the marvellous touch about the furrow showing black although the material used to represent it was gold; it is the soil that when freshly turned attracts the rascally birds which accompany the ploughshare and the tribe of crows which peck the very footprints of the ploughman.
Soils distinguished by taste or smell.In this place moreover may be quoted a dictum as to luxury that is also undoubtedly to the point. Cicero, that other luminary of learning, saysb 'Unguents with an earthy taste are better than those with the flavour of saffron'—he preferred the word 'taste' to 'smell'. It is certainly the case that a soil which has a taste of perfume will be the best soil. And if we need an explanation as to what is the nature of this odour of the soil that is desiderated, it is that which often occurs even when the ground is not being turned up, just towards sunset, at the place where the ends of rainbows have come down to earth, and when the soil has been drenched with rain following a long period of drought. The earth then sends out that divine breath of hers, of quite incomparable sweetness, which she has conceived from the sun. This is the odour which ought to be emitted when the earth is turned up, and when found it will deceive no one; and the scent of the soil will be the best criterion of its27