W. Heffer & Sons Ltd, 1925.
Hardcover. Rare Limted Ediiton - One of only 15 copies which have been hand coloured & Signed by the Author. 4to. pp. xx, 102 + 19 plates (collates complete). Later half pigskin with marbled boards. Raised bands to spine with gilt device between. Jade morocco spine label. Binding in fine condition. Internally complete with no inscriptions. Foxing to titles and occasionally within text - all hand coloured plates very clean indeed & protected by tissue guards. One of only a handful of the rare hand coloured and signed copies; this title in ellusive even in the ordinary trade edition (300 copies). A Rare study of Snails (Ampullaria) by Alderson - Member of the Malacological Society of London and the Conchological Society of Great Britain and Ireland.