Some 1800 blood donors from the Republic of Ireland and Northern Ireland have been tested for the antigens A A1 B H; M N Ss Henshaw; C c Cw D Du E e Ce; Wra; P1; Lua; K k Kpa; Fya Fyb; and Rd (Radin). The results are compared with those already available for Ireland and an attempt is made to interpret them in terms of populations movements. With the exception of the high O frequency in the West...
