38.

In the countries situated about 400 stadia south of the parallel of Alexandria and Cyrene, where the longest day consists of fourteen equinoctial hours, Arcturus passes the zenith, slightly declining towards the south. At Alexandria at the time of the equinox the proportion which the gnomon bears to the shadow is as five to seven.943 Thus they are south of Carthage 1300 stadia, that is, admitting that in Carthage at the time of the equinox the proportion which the gnomon bears to the shadow is as eleven to seven. This parallel on the one side944 passes by Cyrene and the regions 900 stadia south of Carthage as far as the midst of Maurusia;945 and on the other side946 through Egypt,947 Cœlosyria, Upper Syria, Babylonia, Susiana,948 Persia,949 Carmania,950 Upper Gedrosia,951 and India.