... intercalary CMA bands (pairs 1,4, 7 and 8), 2 with only centromeric bands (pairs 11 and 12) and 3 pairs (2, 5 and 10) having both intercalary and centro-meric bands (Figs. 1 ( 2a) and 2B). In karyotype ... intercalar bands on short arm (pairs 2, 7, and 8), chromosome pairs with centromeric and intercalar bands onlong arm (pairs 5, 9 and 12) and chromosome pairs with cen-tromeric band and intercalar bands ... intercalary and centromeric bands (Figs. 1 ( 1a) and 2A) . Sporadically, some individuals were characterized with13th intercalary band on the short arm of chromosome pair 11. Karyotype of P. nigra...