'Tis ill to tamper with the unseen world Lest those habitate the sphere's invisible Should make us sport for their ironic jeers, And by some trick beyond the thought of man Entangle all the issues of our lives. It was an oppressively hot night towards the end of June, and the heavy still atmosphere surcharged with electricity was full of premonitions of storm. Here in London the glare and glitter of myriad lamps seemed to be crushed down by a lowering sky, in which the stars were almost hidden b