“He goes on to tell of his own encounter with one when swimming off the coast of Kent. He found that the creature radiated almost invisible filaments to the distance of fifty feet, and that anyone within that circumference from the deadly centre was in danger of death. Even at a distance the effect upon Wood was almost fatal.

“ ‘The multitudinous threads caused light scarlet lines upon the skin which on closer examination resolved into minute dots or pustules, each dot charged as it were with a red-hot needle making its way through the nerves.’

“ ‘The multitudinous threads caused light scarlet lines upon the skin which on closer examination resolved into minute dots or pustules, each dot charged as it were with a red-hot needle making its way through the nerves.’

“The local pain was, as he explains, the least part of the exquisite torment.