Since we can never, from consideration of the ideas themselves, with certainty affirm or deny of a body whose complex idea is made up of yellow, very weighty, ductile, fusible, and fixed, that it is soluble in AQUA REGIA: and so on of the rest of its qualities.

His powers were of a judicial character, and he shared with the dux the title of judex; but whether he enjoyed the full prerogative of a judex civitatis, or whether his judicial functions were of a more limited character and referred exclusively to matters of a fiscal nature belonging to the curtis regia or the camera of the king, is a question to which the evidence to be gathered from the law codes gives no decided answer.