But what distinguishes the rook from the crow is the bill; the nostrils, chin, and sides of that and the mouth being in old birds white and bared of feathers, by often thrusting the bill into the ground in search of the erucæ of the Dor-beetle*; the rook then, instead of being proscribed, should be treated as the farmer's friend; as it clears his ground from caterpillars, that do incredible damage by eating the roots of the corn.

Included in this semantic field category is the subcategory LEADER, referring to any person having a position of authority, such as ruler, sovereign, king, queen, minister, commissioner, chief, headman[.]

The sands of thy short life are spent this hour, / And no hand in the universe can turn / Thy hourglass, if these gummed leaves be burnt / Ere thou canst mount up these immortal steps.

... whether consumption patterns of the wealthy are more or less polluting than those of the poor depends on the contaminant in question.