Part 1 — WORKS BY C. L. DODGSON.

PUBLISHED BY

MACMILLAN & CO., LONDON.

THE FORMULÆ OF PLANE TRIGONOMETRY, printed with symbols, instead of words, to express the goniometrical ratios. (First published in 1861.) Crown 4to, sewed. Price 1s.

EUCLID AND HIS MODERN RIVALS. (First published in 1879.) Second Edition, 1885. Crown 8vo, cloth. Price 6s.

SUPPLEMENT TO FIRST EDITION OF "EUCLID AND HIS MODERN RIVALS," containing a Notice of Henrici's Geometry, together with Selections from the Reviews. (First published in 1885.) Crown 8vo, sewed. Price 1s.

EUCLID, BOOKS I, II, with Notes. (First published in 1882.) Sixth Edition, 1888. Crown 8vo, cloth. Price 2s.

CURIOSA MATHEMATICA.

Part I. A New Theory of Parallels. (First published in 1888.) Fourth Edition, 1895. Crown 8vo, cloth. Price 2s.

Part II. Pillow-Problems, thought out during Wakeful Hours. (First published in 1893.) Fourth Edition, 1895. Crown 8vo, cloth. Price 2s.