"Is Krakatoa a myth?"

Postcard sent to G.J. Symons by D. Archibald joking "Is Krakatoa a myth?" as copies of the Royal Society report still hadn't been received. It reads:

Is Krakatoa a myth? Or is the delay still down to the frontis piece? I think as far as that is concerned Le jen ne vaut pas (it is not worth it). Have you seen my slashing casualty (?) change on M. Faye in Nature last week?