Ricin the attack on Georgi Markov another Bulgarian defector, Vladimir Kostov, survived a similar attack. Kostov was standing on an escalator of the Paris metro when he felt a sting in his lower back above the belt of his trousers. He developed a fever, but recovered. After Markov's death the wound on Kostov's back was examined and a ricin-laced pellet identical to the one used against Markov was removed. Several terrorists and terrorist groups have experimented with ricin and caused several incidents of the poisons being mailed to U.S. politicians. For example, on May 29, 2013 two anonymous letters sent to
Reactions to On the Origin of Species Lamarckian evolution weekly at University College London, brought out a small book on classification dedicated to Darwin: "With one fell-sweep of the wand of truth, you have now scattered to the winds the pestilential vapours accumulated by 'species-mongers'." In January 1860, Darwin told Lyell of a reported incident at Waterloo Bridge Station: "I never till to day realised that it was getting widely distributed; for in a letter from a lady today to Emma, she says she heard a man enquiring for it at Railway Station!!! at Waterloo Bridge; & the Bookseller said that he had none till new Edit.