41. Under the portico on the north fa�ade are three lunette panels and two roundels . 42. Stephen Devereux was descended from William Devereux, a roundels in chief gules ." 43. The club's crest was a roundel . 44. The edges of the chimneypiece form a triangle topped by a roundel of carving. 45. Crossrail, due to open in 2018, is to be identified with a roundel . 46. Most uncamouflaged training and transport aircraft retain the traditional red-white-blue roundel . 47. The same law also prescribed ensign and roundel for aircraft and ships registered in Luxembourg. 48. These are often enclosed in roundels , as found in the pre-Islamic traditions. 49. The spandrels have yalis and decorated roundels . 50. Nonetheless, it retained the roundel and the traditions of the Polish-American unit.