180 
is 326 centimetres (eleven Roman palms) in 
length, was ceded, the 26th of December, 1665, 
by Count Valerio Zani to the Marquis of Caspi, 
The characters, which are traced on a thick and 
ill prepared skin, seem in a great measure to al- 
lude to the form of the constellations, and to as- 
trological notions. There exists an engraved 
copy of this Codex Mexicanus of Bologna, in the 
Museum of Cardinal Borgia, at Veletri. 
The collection of Vienna, which is sixty-five 
pages, is become celebrated, since it fixed the 
attention of Dr. Robertson ; who, in his classic 
work on the History of the New Continent, has 
published a few pages in outlines only, and with- 
out coloring. We read on the first page of this 
Mexican manuscript, that it was sent by 
King Emanuel of Portugal to Pope Clement 
the Seventh, and that it has since been in the 
hands of the Cardinals Hippolito de Medicis and 
Capuanus. 
Lambeccius*, who has made very incorrect 
engravings of some figures of the Codex Vindo^ 
honensis^ observes, that as King Emanuel was 
dead two years before the election of Pope Cle- 
ment the Seventh, this manuscript could not have 
been given to this last Pontiff, but rather to Leo 
the Tenth, to whom the King of Portugal sent an 
* Lambeccii Commentar. de Bibliotheca Caesar. Vindo- 
bonensi, ed. 1776, p. 966» 
