had left, possibly due to illness. She hints that she knows something of Sir George that Poirot would like to know, but the detective does not take up the offer, much to her annoyance. Poirot speaks to his contact in the theatre world who tells him the dancer has gone to Vagray Les Alpes in Switzerland, suffering from tuberculosis, and that her maid was an Italian from Pisa. Poirot travels to Pisa to find from her family that Nita Valetta, whom they call Bianca, had had appendicitis and had died on the operating table. Poirot has seemingly reached the end of his quest, but something troubles him and he moves on to Switzerland where he finds Samoushenka in poor health. She confirms Poirot's suspicions that Marie Hellin was blackmailing Sir George Sanderfield, and that Marie's predecessor, Nita, has died. Poirot points out that Nita's family called her Bianca. He notices Katrina's golden hair and puts it to her that on the visit to Sanderfield's house in June, she was between maids – Bianca had left and Marie had not yet been employed. Samoushenka was, in fact, Nita, or "Incognita" to give her a full name, and she enjoyed several hours of pleasure in Arcady with her Greek god when he called at the house and the others were out. She does not deny his story. Then, he convinces Katrina to start a new life with Williamson. His quest for the Arcadian deer is at an end. The Erymanthian Boar Poirot is still in Switzerland after solving the third labour. Sightseeing, he takes a funicular to the mountain-top hotel of Rochers Neiges. On the way up, his ticket is checked by a conductor who passes him a hurriedly scribbled note that is from Lementeuil, the Swiss Commissaire of Police. It tells Poirot that he has been recognised because of his moustache and asks for his help. Marrascaud, a Parisian gangster, has fled from his homeland after the killing of Salley, a bookmaker, and is believed from information received to be having a rendezvous with members of his gang at Rochers Neiges. Poirot considers the note; Marrascaud has been the prime suspect in many killings but this is the first time that his guilt is beyond doubt. Although he is annoyed that his holiday is being delayed, the phrase used by Lementeuil to describe Marrascaud – "a wild boar" – catches his