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 1 4 |        which living beings are naturally determined are six in number,
 2 4 |       which change of position naturally begins, the opposite which
 3 4 |     begins, the opposite which naturally depends upon this is the
 4 4 |      animals; now the right is naturally both better than the left
 5 4 | starting-points are found most naturally and clearly distinct, the
 6 7 |       Animals constructed most naturally are made to move at two
 7 9 |     For the opposite limbs are naturally of equal length, and the
 8 11|     its body now the wings are naturally useful to it, but if it
 9 11|      useless to it when moving naturally. And Nature makes nothing
10 12|         as all creatures which naturally have the power of changing