Hydriodic acid and phosphorus at high temperature give a dihydro-compound, whilst sodium and alcohol give hexaand octo-hydro derivatives.
Besides these there are a grammar (De octo partibus orationibus, ed.
A papal diploma, still extant, shows that Count Borel and Bishop Octo or Otho of Ausona were at Rome in January 971, and, as all the other indications point to a corresponding year, enables us to fix the chronology of Gerbert's later life.
Claudii Ptolomaei Alexandrini geographicae enarrationis libri octo; ex Bilibaldi Pirckheymeri translatione, sed ad Graeca et prisca exemplaria a Michaele Villanovano jam primum recogniti.
The best editions of the works of Apollonius are the following: (1) Apollonii Pergaei Conicorum libri quatuor, ex versione Frederici Commandini (Bononiae, 1566), fol.; (2) Apollonii Pergaei Conicorum libri octo, et Sereni Antissensis de Sectione Cylindri et Coni libri duo (Oxoniae, 1710), fol.
In this sect, children are solemnly admitted to full membership at the early age of four, and even two, years of age, when a rosary, or necklace, of 108 beads of basil (tulsi) wood is passed round their necks, and they are taught the use of the octo-syllabic formula Sri-Krishnah saranam mama, " Holy Krishna is my refuge."
His masterpiece, Libri octo de synodo diocesana, begun in Bologna, appeared during his pontificate.
Among his works, which were first collectively published in 1867-1876, are Absolutissimus de octo orationis partium constructione libellus (Antwerp, 1530), Rudimenta Grammatices (London, 1539), Daily Devotions, Monition to a Godly Life, Epistolae ad Erasmum, and commentaries on different parts of the Bible.
In 1672 appeared the De jure naturae et gentium, libri octo, and in 1675 a resume of it under the title of De officio hominis et civis.