The First Six Books of the Elements of Euclid

by Euclid; John Casey

p. ??. “The parallelogram CM is equal to DE [I. xliii., Cor. 3];” in original, amended to “Cor. 2” following MS. correction: there is no Cor. 3.

p. ??. “On CB describe the square CBEF I. [xlvi.].” in original, clearly meant to read [I. xlvi.].

p. ??. “The remainiug parts of the line” in original, obvious error amended to “remaining”.

p. ??. “that which is nearest to the line throuyh the centre” in original, obvious error amended to “through”.

p. ??. “Then this line [I., Cor. 1]” in original. The reference is to Prop. I. of the current book, so it should be [i., Cor. 1].

p. ??. “OA is equal to OC [I., Def. xxii.]” in original. The reference should be [I., Def. xxxii.].

p. ??. “the four points A, C, D, B are concylic” in original, evidently intended is “concyclic”.

p. ??. as p. ??.

p. ??. “Through tho point E” in original, obvious error amended to “the”.

p. ??., p. ??. “the points A, B, C, D are concylic” in original, as p. ??.