They pinned their faith to bulk and bluster;
They laid their eggs in every land
And hid them deftly in the sand.
The Mammals, small as yet and few,
Relying less on scales and muscles,
Developed diaphragms, and grew
Non-nucleated red corpuscles;
They walked more nimbly on their legs
And learnt the art of sucking eggs.
The Saurians, spoiling for a fight,