Book, Paragraph

 1   I,  11|     From the latter there fall three bodies condensed by cold,
 2   I,  13|     Nestus, and the Hebrus all three from Scombrus; many rivers,
 3   I,  13|  sounding. At this spot, about three hundred stadia from land,
 4   I,  13|      all of it together but in three places. And in Liguria a
 5  II,  7 |        to the present date are three, and their authors three
 6  II,  7 |       three, and their authors three men, Anaxagoras of Clazomenae,
 7 III,  4 | further change is visible, but three completes the series of
 8 III,  4 |  series of colours (as we find three does in most other things),
 9 III,  4 |       the rainbow appears with three colours; this is true of
10 III,  4 |        rainbow necessarily has three colours, and these three
11 III,  4 |       three colours, and these three and no others. The appearance
12 III,  4 |      shown why the rainbow has three colours and that these are
13 III,  4 |        appears at the point Y. Three rainbows or more are not