Author: Hammer, M.
Title: Investigations on the oribatid fauna of the Andes Mountains. I-IV. [Complete]. I. The Argentine and Bolivia. II Peru. III. Chile. IV. Patagonia.
Description: København, Ejnar Munksgaard, 1958-1962. Large 8vo (27.0 x 21.0 cm). 419 pp. [129; 157; 96; 37] pp., 118 [34; 43; 30; 11] plates. Original uniform printed wrappers. = With numerous new species and excellent illustrations. Written by the Danish mite expert Marie Hammer (1907-2002). Diagonal crease in last part front wrapper, otherwise a very good, clean set.

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