Cathay started reciting the names of the 12 divisions into which, according to Nasir al-Din, the "Cathayans" were dividing the day – and Martini, who of course knew no Persian, was able to continue the list. The names of the 24 solar terms matched as well. The story, soon published by Martini in the "Additamentum" to his Atlas of China, seemed to have finally convinced most European scholars that China and Cathay were the same. Even then, some people still viewed Cathay as distinct from China, as did John Milton in the 11th Book of his "Paradise Lost" (1667). In 1939,
Cathay his "Book on the Administration of the State", apparently as two separate countries (presumably, referring to the Liao and Song Empires, respectively). The name's currency in the Muslim world survived the replacement of the Khitan Liao dynasty with the Jurchen Jin dynasty in the early 12th century. When describing the fall of the Jin Empire to the Mongols (1234), Persian history described the conquered country as "Khitāy" or "Djerdaj Khitāy" (i.e., "Jurchen Cathay"). The Mongols themselves, in their "Secret History" (13th century) talk of both Khitans and Kara-Khitans. In about 1340 Francesco Balducci Pegolotti, a merchant from Florence, compiled the