GASSIES, Jean-Baptiste. — Tableau méthodique et descriptif des Mollusques terrestres et d'eau douce de l'Agenais.Paris, J.B. Baillière; Agen, J.B. Barrière, 1849. With 4 hand-coloured lithographed plates. With: (2) GASSIES, Jean-Baptiste. Malacologie terrestre et d'eau douce de la région intra-littorale de l'Aquitaine.Paris, J.B. Baillère and F. Savy, 1867. With one lithographed plate. 2 works in 1 volume. 8vo. Contemporary green half sheepskin, gold-tooled spine, marbled endpapers.

[4], 209, [4], [1 blank]; 30, [1], [1 blank] pp.Ad 1: First edition of a monograph on the land and fresh-water molluscs that can be found in Agen and surroundings (France), by the French malacologist Jean-Baptiste Gassies (1816-1883). He describes four classes of snails and mussels, some of which are depicted on the hand-coloured lithographed plates.Ad 2: First separately published edition of a brief work on the land and fresh-water molluscs of Aquitaine, also by Gassies. The text was originally published in the 26th part of the Actes de la Soc. Linn. de Bordeaux.With a presentation inscription by the author to "Monsieur le professeur Milne-Edwards de l'Institut" on the half-title of ad 1. Overall in good condition.l Junk, Thes. libr. conchyliorum, 141.