Spreading themselves
'Spreading themselves on the earth,' as in Genesis 8:17, signifies the internal self operating on the external.
(Odkazy: Arcana Coelestia 913)
Arcana Coelestia # 4505
4505. 'Their flocks, and their herds' means that they destroyed rational good and natural good. This is clear from the meaning of 'flocks' as rational good, and from the meaning of 'herds' as natural good, dealt with in 2566.