It was also in the reign of Justinian that Cosmas Indicopleustes, an Egyptian merchant, made several voyages, and afterwards composed his XpUTTcavuxr} Toaoypa(Pia (Christian Topography), containing, in addition to his absurd cosmogony, a tolerable description of India.
The Greek monk Cosmas Indicopleustes, who visited India about 530, describes the ruler of the country, whom he calls Gollas, as a White Hun king, who exacted an oppressive tribute with the help of a large army of cavalry and war elephants.
Among original authorities may be consulted Procopius, Menander Protector, Cosmas Indicopleustes (trans.
- The World according to Cosmas Indicoplcustes (535) a compromise between the two former, or an artistic development of the circular type.
The oldest rectangular map of the world is contained in a most valuable work written by Cosmas, an Alexandrian monk, surnamed Indicopleustes, after returning from a voyage to India (535 A.D.), and entitled Christian Topography.