673. Verse 20 Of birds according to their kinds, and of beasts according to their kinds, and of every creeping thing of the ground according to its kind. Pairs of all shall come in to you to keep them alive.

'Birds' means intellectual concepts, 'beasts' desires of the will, and 'creeping thing of the ground' the lowest of each of these. 'two each of all shall enter in to keep them alive' means, as previously, the regeneration of those things.