Biology - Zoology - Umlauff, Theodor. Large illustrated catalog of shells, corals, gorgonians and sea animals. Published by Theodor Umlauff Muschel- Import - Export. With numerous lithographic illustrations on 18 pages, including 2 in color. Hamburg, Umlauff, 1896/1912. 5 pp. (Engros price list 201). Title (1912). Pp. 3-19. 29.5 x 23.5 cm. Color lithographic original paper boards with cover title (spine partly torn). Rare, only one proof via KVK (Stabi Berlin, dated 1896). - Remains of the catalog published in 1896, probably taken over by the new owner Theodor Umlauff, the title page pasted over with a statement that the son took over the company founded by his father in 1868 in 1912. The accompanying (probably current) price list loosely enclosed. - Enclosed: Engros price list No. 201. Cleaned and polished shells as well as corals, gorgonians and sea animals. Hamburg, J.F.G. Umlauff, (before 1912). Title, 46 pp. 23 x 15.5 cm. Printed original paper boards (first name and address on cover handwritten).