Item doirter uisgi rosicda no uisgi ele co h-opunn ima aigid oir is maith[gap: cut off/extent: part of last line of folio] {MS folio 23a} isin naixis, gid edh doní se urcoid da h-eisi da mbia a fad air, mar bis isin anmuinne doniter o lennuibh omha, & o eccla; oir omhdhuighi sin an t-adbur, & connmuidh in t-adbur leth istigh, & in spirut, & trit sin is du in t-uisgi do dortadh co h-opund air, & gan cómnuidhi do legin dó air. Et dlegthar uair and an t-uisgi do dortadh tar eis a ceile, & comhnuidhi do legin do and: & mar bis i n-anmuindi doniter o gairdechus, & o flux; dlegtar ann sin sgethrach do denumh, & in tsron do coimilt, & na slindein, & dethtach do legin futhu fon medhon, do reir Galen; & is maith in t-uisgi fuar do dortadh co h-opund isin cuis so, ar son in buille do-beir do duisecht an tesa, & do bud ferr and sin a duisecht le coimilt,