ining figures representing the derivation of the name of the month fill remainder of the associating margins. The verso margins are also occupied by roundels, which show events characteristic of the month. The subjects of the roundels are explained by blue and gold subtitles at the bottom of each page. (Fig.1)
             Many experts on the history of Books of Hours might agree that this manuscript introduces a picture of exceptionally designed and professionally executed regularity. Although the book seems on the surface as a 'typical' Book of Hours, it has few irregularities cleverly integrated into its essence of creation.
             Four full-page illustrations with Old Testament subjects form the first noticeable irregularity, which appears right after the calendar. The sequence of the miniatures depicts the stories of Adam and Eve (Fig.2), The building of Noah's Ark (Fig.3), The exit from the Ark and the drunkenness of Noah, and The Tower of Babel. All of these four illuminations have a single blue commentary line at the bottom of each page. Conversely, a blank page follows every one of them, and it is very likely that they should have been provided with elaborate explanatory texts. The absence of the text makes them seem completely out of place. The Old Testament subjects might have been used as a pre-figuration to the New Testament stories. The Old Testament story of Adam and Eve is a pre-figuration for the New Testament story of Crucifixion. The scene of the Crucifixion appears in the manuscript already in two places, in the Hours of the Cross, and in the Hours of the Passion. It is possible that the artist tried to avoid repetition of the same iconography, and chose pre-figuration as a solution.
             The next inserted group of leaves consists of four folios placed at the beginning of sections containing memorials of saints and special masses. The leaves contain two portraits of a man and women, who are complemented by patron saints and suitab...