 Prior to his appointment as prefect, Van Hove had published several noteworthy historical and archæological theses, the first of which, "Imago polemico-sacra primi sæculi religionis Christi seu fidei, doctrinæ et morum disciplinæ Ecclesiæ Apostolicæ" (Brussels, 1765), is based chiefly upon the writings of St. Paul.Then followed