Taxis response is to move towards or away from the stimulus. If the organism moves towards the stimulus the taxis is positive, while if it moves away the taxis is negative. For example, flagellate protozoans of the genus "Euglena" move towards a light source. This reaction or behaviour is called "positive phototaxis", since phototaxis refers to a response to light and the organism is moving towards the stimulus. Many types of taxis have been identified, including: Depending on the type of sensory organs present, a taxis can be classified as a "klinotaxis", where an organism continuously samples the environment to determine
Princess Eulalia of Thurn and Taxis her family referred to her as "Illa". Princess Illa was engaged to Prince Raphael Rainer of Thurn and Taxis, a younger son of Albert, 8th Prince of Thurn and Taxis from 1928 to the following year. He belonged to the main branch of the House of Thurn and Taxis, as he was a descendant of Karl Anselm, 4th Prince of Thurn and Taxis. When it came time for the wedding in February 1929, Illa changed her mind and refused to marry him. Her timing meant that the bishop of Regensburg, as well as all of the guests, were all assembled