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Title: The Danish Ingolf Expedition. Volume IV. 1. Echinoidea. (Part I.). [AND] Volume IV. 2. Echinoidea. (Part II.). [Complete].
Description: Copenhagen, Bianco Luno, 1907. Two parts in two. Large 4to (33.5 x 26.5 cm). 399 pp.; 39 text illustrations, 40 plates (three in full colour), map. [I (1903): 195, [ii] pp.; 12 text illustrations, 21 lithographed plates of which three in superb chromolithography, one full colour map; II (1907): 200, [ii] pp.; 27 text illustrations, 19 lithographed or photype plates with explanatory text leaves]. Original, uniform printed wrappers. = An excellent, rarely seen, monograph on deep sea echinoids of the North Atlantic, including many new species. Written by the Danish echinoderm specialist Ole Theodor Jensen Mortensen (1868-1952). HDMS Ingolf was a Danish schooner-rigged steam gunboat. [It] undertook a large number of voyages, often in the North Atlantic (Faroes, Iceland and Greenland) in summer and the Danish West Indies in winter. Ingolf was used for two oceanographic expeditions during the summer months of 1895 and 1896, collectively known as the Ingolf Expedition. The cruises were financed by the Danish Government and had the objective of studying the bathymetry around Iceland, northwards toward Jan Mayen and off West Greenland, heavily inspired by the Challenger expedition and similar American and German expeditions. … Despite severe weather and ice conditions thousands of hydrographical measurements were taken and biological samples collected at a total of 144 stations, down to depths of 3500 meter. The results are published in the impressive report The Danish Ingolf-Expedition' (1899-1942, 5550 pages and 333 plates). The most significant results were the demonstration of two different bottom faunas separated by the Wyville Thomson Ridge south of the Faroe Islands and the systematic difference in temperature of the water at the sea floor between the north and south side of the ridge"(Wikipedia). Uncut. Binding too feeble for these fairly heavy tomes and split with part of the spine covers perished. Some wear to the front and rear wrappers, which are partly detached, otherwise a very good, clean and unmarked copies. Not in Nissen ZBI.

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Price: EUR 350.00 = appr. US$ 380.40 Seller: Dieter Schierenberg BV
- Book number: 75931