21. Some peers, particularly life peers who were well known before their ennoblement , do not use their peerage titles. 22. In 1576, the right of ennoblement , except in wartime, was passed from the king to the sejm. 23. The representatives of the provinces in Imperial Senate were chosen by criteria such as experience in public office and also ennoblement . 24. Serfs served on occasion as soldiers in the event of conflict and could earn freedom or even ennoblement for valour in combat. 25. Many low-born individuals, including townsfolk, peasants and Jews, could and did rise to official ennoblement in Polish society. 26. They would also share arms with families adopted into the clan ( these would often have their arms officially altered upon ennoblement ). 27. This not only fostered his fascination with the natural world, but also engendered his ideals of the ennoblement of nature through fine art. 28. The justice was highly prone to miscarriage, in particular, to abusive ennoblement Therefore, this procedure was gradually restricted in various ways. 29. He was elected to the Prussian Academy of Sciences in 1873, and entitled an ennoblement " von Virchow ", but which he declined. 30. The increase of number of Polish nobility by trustworthy ennoblements is "'proportionally minimal "'( since the 14th century ).