On the Megalithic yard (my), see ThomA. and ThomA. S., “The Carnac Alignments”, Journal for the history of astronomy, iii (1972), 11–26 (hereafter cited as Thom II), p. 25.
2.
On the use of such foresights, see ThomA. and ThomA. S., “The Astronomical Significance of the Large Carnac Menhirs”, Journal for the history of astronomy, ii (1971), 147–60 (hereafter cited as Thom I), p. 147, and “The Uses of the Alignments at Le Menec Carnac”, ibid., iii (1972), 151–64 (hereafter cited as Thom III), p. 151.
3.
ThomasF. W. L.ThomasR.N., “Account of some of the Celtic Antiquities of Orkney”, Archaeologia, or miscellaneous tracts relating to Antiquity, xxxiv (1851), 88–136.
4.
ThomA., Megalithic lunar observatories (Oxford, 1971), Appendix B.
5.
ThomI., 147.
6.
ThomIII, 151.
7.
Ibid., 159.
8.
Thom, Megalithic lunar observatories, 81.
9.
Ibid., 42.
10.
ThomA., Megalithic sites in Britain (Oxford, 1967), 123.
