Pasteur, Louis (1822-1895) Memoire sur la Fermentation Alcoolique [bound with] Examen Critique d'un Ecrit Posthume de Claude Bernard s

Pasteur, Louis (1822-1895) Memoire sur la Fermentation Alcoolique [bound with] Examen Critique d'un Ecrit Posthume de Claude Bernard sur la Fermentation. Paris: Mallet-Bachelier, 1860 [and] Paris: Gauthier-Villars, 1879. Two octavo volumes bound together in half morocco with marbled paper boards; [together with] Pasteur's Etudes sur la Maladie des Vers a Soie, Paris: Gauthier-Villars, 1870, bound in two octavo volumes, all in uniform half morocco bindings (endcaps chipped with some loss, spine panel coming detached on one), 9 1/4 x 6 in. (3)