See Proc. Roy. Soc., 1878, p. 49. Harvard Annals vol. xxviii., part ii., p. 228. See especially my paper in Proc. R.S., vol. xlvii., p. 40, 1889. Proc. Roy. Soc., vol ...

III. BEARING in mind what has been said about the origin of the special class of bright line stars, I give a diagram showing that they occur exactly where we should expect to find them if the ...