London: Cassell and Company Limited, 1909. 8vo., pp.xx,876, green cloth, gilt, colour frontispiece, colour plates, b/w figures; ink ownership autograph (twice) and blindstamp (thrice) to prelims, toning to front endpapers, light foxing to rear endpapers and fore-edges, paper cracking to rear inner hinge (joint remains firm), rubbing to extremities, a good+ copy.

Oxford: Clarendon Press, 1948. First edition, 8vo., pp.238, blue cloth, gilt; light toning to endpapers and edges, neat ink ownership inscriptionn to front free endpaper, faint marking to front board, light sunning to spine, a very good copy.

Oxford: Oxford University Press, 1935. 8vo.,pp. viii,365, dark green cloth, gilt, b/w figures, b/w frontispiece; ownership inscription to front free endpaper, light toning to margins, light sunning to spine and light rubbing to extremities, a very good copy. No dust-jacket.

London: J.M. Dent and Sons, 1987. 8vo., pp.vii,208, black hardcover, gilt, b/w figures; light marking to front board, a very good copy, in vg unclipped dust-jacket.

Paris: Masson et Cie., Editeurs, 1955. 8vo., pp.xii,298, beige cloth lettered in black and red; tipp-ex marking and evidence of removed sticker to front endpapers, foxing and toning to spine and margins of boards, otherwise clean, a good+ copy. No dust-jacket.

Oxford: At the Clarendon Press, 1935. First edition, 8vo.,pp. xiv,459, navy cloth, gilt, lightly toned to margins and endpapers, toned to head and foot of spine, a very good copy, in an unclipped dust-jacket, which is rubbed and toned to spine and extremities, small stain to front upper margin, worn at corners, chipping to head and foot of spine with loss to head of spine slightly obscuring title, closed tears along front and rear edge, now in a protective dust-cover, overall very good.

Oxford: At the Clarendon Press, 1952. First editon, 8vo.,pp. 160, navy cloth, gilt; toning to endpapers, off setting to front and rear free endpapers and toning to margins, occasional light pencilling to margins, otherwise very good, in an unclipped dust-jacket, which is toned and rubbed to spine and extremities, with wear to corners.

Oxford: At the Clarendon Press, 1947. Third edition, 8vo.,pp. xii,311, green cloth, gilt; toned to margins, pencil annotation to front free endpaper and occasionally to margins, sunning to spine and lightly rubbed to extremities, a very good copy. No dust-jacket.

Amsterdam: North-Holland Publishing, 1957. First edition, 8vo.,pp. xi,108,red cloth, gilt, b/w figures; light toning to margins, otherwise very good, in a good unclipped dust-jacket, which is rubbed and toned to spine and extremities, chipped and some loss to head and foot of spine and wear to corners, small creased tears along margins.

London: Published by Thorp and Burch, and printed by Gye and Balne, 1820. 12mo., pp.216, uncut, marbled paper-covered boards reinforced with green linen backstrip, folding copper-engraved frontispiece plate; foxing to frontispiece and edges, with some foxing throughout, occasional light pencil ‘x’ marks to margins, boards rubbed and lightly worn, partly recoloured with biro, with wear to edges of boards, a good copy of this extremely scarce volume.

London: H. Vickers, et al, 1881. Two volumes in one, small 8vo., pp.240, brown cloth, gilt, with decorative blindstamped borders to boards, b/w frontispiece, b/w in-text illustrations throughout; some paper-splitting along inner hinges (joints remain firm),light foxing to prelims, rubbing and light wear to extremities, with 2cm split to cloth at head of upper joint, light partial sunning and slight marking to cloth, a near very good copy.

Cambridge University Press, 2002. 8vo., pp.xvi,407, black hardcover lettered in silver, b/w frontispiece, b/w figures; a very good, fresh copy, in vg unclipped dust-jacket.

London: William Pickering, 1994. 8vo.,pp. cvii,188, navy cloth, red title band and gilt lettering to spine, b/w illustrations, b/w frontispiece; a very good copy. No dust-jacket.

Cambridge: Cambridge University Press, 2004. 8vo.,pp. xii,348, paperback, b/w figures; lightly sunned to spine, a very good copy.

Cambridge: Cambridge University Press, 2019. 8vo.,pp. xiv,361, pictorial hardcover, b/w and colour figures; a near-fine copy. No dust-jacket, as issued.

Kansas City: The Eyesight and Health Association Publishers, 1928. Fourth impression (first published in 1925), 8vo., pp.199, textured black cloth, faded (gilt?) lettering to spine and to front board, b/w illustrations and two loose eye-test charts; ownership inscription to front paste-down endpaper, ownership autograph also to the loose charts, rubbing to extremities, light marking to cloth, a good, internally clean copy.

London: J.B. Bateman, 1862. 12mo., pp.(vi),108, textured brown cloth, lettered in gilt to front board; light foxing/toning to prelims, slight sunning to spine, a very good, fresh copy.

London: Published under the direction of the Royal Society of Literature of the United Kingdom by Humphrey Milford, Oxford University Press, 1913. 8vo., pp.clxxviii,614;xxv,804 red cloth, gilt; light rubbing to extremities, very good indeed, in unclipped dust-jackets, which are lightly worn to extremities, with possible light worming to front lower margin of jacket to Volume I, and with foxing/mottling to spines - now in protective covers and otherwise very good.

Cambridge University Press, 1996. 8vo., pp.xiv,295, hardcover with stamped title label in blue, gilt; slight tone to edges, a couple of small bumps to edges of boards, else clean and very good indeed, in unclipped dust-jacket, which has cm closed tear to front upper edge, small nick to headband, and removed sticker to rear of jacket, else vg.

London: Chatto and Windus, 1905. 8vo., pp.vi,401, blue cloth, gilt, 11 b/w illustrations including folding plate; foxing and toning to free endpapers, rubbing to extremities, light marking to cloth, overall very good. No dust-jacket.