Author: Kohlbrügge, J. H. F. (and) G. Ruge
Title: Versuch einer Anatomie des Genus Hylobates. Erster Teil. (AND) Anatomisches über den Rumpf der Hylobatiden. Ein Beitrag zur Bestimmung der Stellung dieses Genus im Systeme.
Description: Leiden, E. J. Brill, 1890. Large 8vo. 239 [144, 95] pp. eight lithographed plates (three partly coloured). Later blind wrappers. = Two papers on gibbons, in particular their anatomy and taxonomy. The first paper is by Kohlbrügge, the second by Ruge. Section of the exploration voyage Zoologische Ergebnisse einer Reise in Niederlandisch Ost-Indien. Sandwiched between them is a short paper on a Malayan freshwater fish by the expedition leader and editor of the results, Max Weber. Uncut. A very good copy. Rare.

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