1879-1884 4 parts (complete). 96, 166, 100, 236 p., 7, 10, 6, 13 engraved pls, new blue cloth, gilt author/title on spine. Library stamps. Some slight foxing but mostly clean. The tissue guarded plates are beautifully and very accurately drawn with much detail. This rare work was published in four parts in the Naturhistorisk Tidsskrift.