THE

BOOK OF THE ASCENT OF THE MIND

THE FORM OF THE HEAVEN AND OF THE EARTH

COURSE IN ASTRONOMY

COMPILED IN 1279

By GREGORY ABULFARAG, KNOWN AS BAR HEBRÆUS

PUBLISHED FOR THE FIRST TIME

FROM THE PARIS, OXFORD, AND CAMBRIDGE MANUSCRIPTS

By F. NAU

DOCTOR OF MATHEMATICAL SCIENCES, LICENTIATE OF PHYSICAL SCIENCES

GRADUATE OF THE SCHOOL OF HIGHER STUDIES

FIRST PART

SYRIAC TEXT

A printer's device shows a rearing horse standing atop a shield containing the initials "F. V." The shield is framed by decorative flourishes, and a ribbon at the bottom carries the Latin motto: "Never retreat" original: "NUNQUAM RETRORSUM".

PARIS

ÉMILE BOUILLON LIBRARY, PUBLISHER

67 RUE DE RICHELIEU, FIRST FLOOR

1899