1932 94, 24 p., 10 figures, 7 plates (1 coloured), paperbound. Ex library Joséphine Th. Koster (with her stamp) and Dr. W.F. Prudhomme van Reine (with his signature). Lower end of one plate slightly damaged due to sticking to previous plate, else good copy. With 24 page French (extensive) summary. Scarce.