[125] Inf., xxxii. 81, and x. 85, 86.

[126] Purg., iii. 112-129.

[127] “Replied after this fashion.”

[128] Li Louvres dou Trésor, Chabaille, Paris 1863.

[129] Ibid.

[130] “Here beginneth the book of the Composition of the World together with its Causes: written by Ristoro of Arezzo in that most noble city.”

[131] “Here endeth this book, in the year of our Lord one thousand two hundred and eighty-two. Rudolph Emperor at this date. Martin IV. resident Pope.” Amen.

[132] “Alfraganus said in the 8th chapter”; “Alfraganus bears witness in the 22nd chapter of his book.”

[133] “The famous Ptolemy.”

[134] “Who was a very great teacher of astrology.”