Note 121 — THE VARIETIES OF EGYPTIAN SEALS.
Reading edition
A. J. Evans, Primitive Pictographs, in Journal of Hellenic Studies, Vol. XIV, p. 328. Cf. G. Coffey, The Origins of Prehistoric Ornament in Ireland, in Journal of the Royal Society of Antiquaries of Ireland, 1894, 1895; and A. C. Haddon, Evolution in Art, p. 142. J. Romilly Allen, Celtic Art in Pagan and Christian Times, pp. 51-54.