Author: Michaelsen, W.
Title: Die geographische Verbreitung der Oligochaeten.
Description: Berlin, Friedländer, 1903. 8vo (25.8 x 17.1 cm). 186 pp.; 11 maps. Contemporary half calf over marbled boards. Spine with five raised bands and gilt title. Marbled endpapers. Original printed front wrapper bound in. = An essential study by the arguably the World's foremost Oligochaeta expert ever, the German zoologist Johann Wilhelm Michaelsen (1860-1937). He described thousands of species. Pictorial bookplate on front pastedown, perforated stamp in title page margin. Otherwise good. Very uncommon.

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