1.
[276] Lib.cit., quest.

45, art.

8.
[277] _Vide_ In Genesim Comment, cap.

i.
[278] Roger Bacon, Opus tertium, c.ix.p.27, quoted in the _Rambler_ for 1859, vol.xii.p.

375.
[279] See _Nature_, June and July, 1870.