The iudycyall of vryns consyderynge that is expedyent for euery man to know the [opera]tion and qualites of his body, and to know in what state and condicyon his [body] standeth in, whiche can not be knowen so well as by the vryne in consyderation where of this worke is collected and gadered out of ye sentencyais sayngis of al auctours of phisicke, to the entent that euery man myght brefly come to the knolage of ye p[re]misses, whiche sayd worke is diuided into. iii. seuerall bokes, where of the fyrst boke declareth pryncypaly howe vryn is gendered in ma[n]nes body. The second boke treateth of colours in vryn, [and] what they signifye. The thyrde boke treateth of co[n]tens in vryn [and] what they signifye, & suche sekenesses as they signifye is there declared, & also ther causes & qualities with many thynges moo, touchyng the seyens of physike, as brefly doth avere in a tabull, in the latter ende of this boke