FOOTNOTES:

[26] See reference to these words for another purpose on [p. 33].—H. H.

[27] Genius, in the sense of a tutelary spirit, must of course have the plural genii.—H. H.

[28] In scholarly works, indices is often preferred, and in the mathematical sense must always be used.—H. H.

[29] But lemmata in botany or embryology.—H. H.

[30] But in a collective or special sense we must print memoranda.—H. H.