Among his articles may be mentioned those which he wrote for the ninth edition of this Encyclopaedia on Light, Mechanics, Quaternions, Radiation and Thermodynamics, besides the biographical notices of Hamilton and Clerk Maxwell.
See the works of Denham, Clapperton, Barth and Nachtigal cited in the biographical notices; Geog.
Smith's Classical Dictionary has notices of some thirty of the name.
From the scanty and ill-natured notices of his opponents (Anselm and Abelard), we gather that he refused to recognize the reality of anything but the individual; he treated " the universal substance," says Anselm, as no more than " flatum vocis," a verbal breathing or sound; and in a similar strain he denied any reality to the parts of which a whole, such as a house, is commonly said to be composed.
There are also notices of the leading systems in Milman's History of Latin Christianity; and the same writers are considered from the theological side in many works devoted to theology, and the history of dogma.
