“I had, therefore, to resign myself to commissioning a duplicate from a jeweller in Madrid. They did the work very nicely. The claws are curiously shaped, but the true marvel is the stone; it is so very limpid and weighs many carats, but notice also how it is hollowed out! You see that drop of green oil which takes the place of the internal tear? It is a drop of poison, an Indian toxin which strikes so rapidly and so corrosively that it only requires to come into momentary contact with one of a man's mucous membranes to rob him of his senses and induce rigour mortis.'It is instant death, certain but painless suicide, that I carry in this emerald. One bite' - and Ethal made as if to raise the ring to his lips - 'and with a single bound one has quit the mundane world of base instincts and crude works, to enter eternity.'Look upon the truest of friends: a deus ex machina which defies public opinion and cheats the police of their prey...'He laughed briefly. 'After all, we live in difficult times, and today's magistrates are so very meticulous. Salute as I do, my dear friend, the poison which saves and delivers. It is at your service, if ever the day should come when you are weary of life!”