The questions de Servitutibus are discussed in the Institutes (l. ii. tit. iii.) and Pandects (l. viii.). Cicero (pro Murena, c. 9) and Lactantius (Institut. Divin. l. i. c. i.) affect to laugh at the insignificant doctrine, de aqua de pluvia arcenda , etc. Yet it might be of frequent use among litigious neighbours, both in town and country.