xliij.videatur hoſtia calefieri ſed non calefiat. videat̉ humecta-ri ſed non humectetur. oſtenſum enim fuit ſuꝑ ꝑ Ambroſiumꝙ nō debꝫ eſſe illuſio ſenſus in ſacr̄o veritatis quēadmodūſenſus illudit̉ in preſtigijs magoꝝ Igit̉ exquo hoſtiā altera-ri aſpicimꝰ fatenduꝫ ꝙ ſit ibi vera alteratio. nec etiā dicerepoſſumꝰ ꝙ ſit ibi alteratio vera. Sed nihil ibi alterat̉ ponēdo miraculoſe eſſe ibi alteratione ſine ſubiecto. Dictū eſt enīſupͣ ꝙ accidentia ſucceſſiua adeo a ſubiecto dependēt qꝛ necmiraculo nec naturaliter fieri pōt ꝙ habeāt ꝑ ſe eſſe. Rurſūquia ꝑ talem alterationeꝫ fit via ad corruptionem qꝛ ꝑ ni-miā calefactione poſſꝫ hoſtia incinerari et ꝙ ad tales effectꝰinterueniat miraculū non videt̉. congruū Dato gͦ ꝙ miraculo fieri poſſet ꝙ eſſet alteratio abſqꝫ eo ꝙ aliqͥd alteraret̉Hmōi tn̄ alteratiōes qͣs videmꝰ poſſe cōtingere circa ſacramētū altaris ponere ꝑ miraculū nō eſt decens. Solū gͦ vnavia reſtat vt dicamꝰ in ſacramento altaris remanere q̄nti-tateꝫ ſubiectā qualitatibꝰ et qꝛ ẜm qͣlitates hꝫ fieri alteratiopoſſumꝰ ibi ſaluare alterationē ẜm qd̓ vna et eadē q̄ntitaspōt eſſe ſubiectū diuerſaꝝ qͣlitatū. ſicut enī naturalit̓ eſt ge-neratio in rebꝰ corruptibilibꝰ qꝛ corruptibilia cōicāt in materia q̄ eſt ſubiectū formaꝝ ſubſtātialiū. Sic naturalit̓ poſſu-mus ſaluare alterationē circa ſacramētū altaris qꝛ remanetibi qͣntitas que eſt ſubiectū qͣlitatū. ſufficit enī ad ſaluandaꝫtrāſmutatiōeꝫ de forma ad formā ꝙ ponamꝰ tertiū qd̓ poſ-ſit ſubijci vtriqꝫ forme. Sꝫ ſi ſic dicimꝰ qd̓ credimꝰ bn̄ dictūoccurrit nobis q̄dā dubitatio. qꝛ vt ſcribit̉ in pͥmo de gene-ratiōe capitulo de dr̄a alteratiōis ad generationem hyle eſtmaxime ſubiectū generatiōis in alijs at trāſmutationibꝰ aliquo mō eſt ſb̓iectū. Dr̄ enī hyle .i. materia pͥma eſſe maxīe ingenerationibꝰ ſb̓m qꝛ forma ſb̓alis ẜm quā eſt trāſmutatio ingeneratione ſimpl̓r īmediate fundari hꝫ in pͥma materia ſedalie trāſmutationes hn̄t aliqͦ mō ꝓ ſubiecto materiā quia eaẜm q̄ alie trāſmutatiōes attēdūt̉. vel fūdant̉ in ip̄o ꝯpoſitovel īmediate fundant̉ in aliqͦ accn̄te. veꝝ qꝛ qd̓ pͥmū eſt in oīgenere eſt cā oīm alioꝝ q̄ ſūt pꝰ. qꝛ materia eſt pͥmū ſubiectūl i.
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