VILLE, Georges.

l'Analyse de la Terre par les Plantes.[Paris], [1893]. 4to. With 1 illustration plate and 5 illlustrations in the text (line illustrations of potted plants), a second plate with 21 colour-printed blocks in various shades of green and orange, and additional colour-printed blocks in the illustration plate and text, serving as keys to the colours of the plants as they vary with soil conditions. Disbound.

      - (2), 531-571, (5) pp. BMC NH, pp. 2224 & 1516.A detailed study of the reaction plants of plants to different nutrients in fertilizers, by Georges Ville (1824-1897), extracted from Paris.-Muséum d'Histoire Naturelle. Centenaire de la Fondation du Muséum. It was the last essay in that work and was therefore followed by the table of contents and table of plates for the entire work, both present at the end of the present copy. Ville's essay was reprinted as a separate publication in 1894.Good copy, slightly browned near the edges and a bit stained. A detailed study of the reaction of plants to nutrients in fertilizers, and an interesting use of colour printing for scientific work.