Ptolemy Keraunos, slain by the Celts, [8]
Ptolemy on the names of Irish tribes, [19], [22]
Pursuit of Diarmuid and Gráinne, MSS. of, [385]
Pyramids, Dicuil's account of the, [222]
Q. The Indo-European guttural changed into P, [4]
R passives, in Celtic, Ch. I n. [21]
Raftery, a Connacht poet, [96], [605]
Raghallach, King of Connacht, [233]