1850-1957 Boards (mostly with front cover laid on), and several paperbound, library stamps, after vol. 73 the volumes have also a perforation stamp. 3 index volumes. A few covers missing of first volumes. Of volume 20 pages 239-242 are missing, of vol. 22 pages 421-456 and 463-464 are missing. Lacking volumes 2, 3, 4, 6(1-4), 7-12, 55(1-2) & 65. The journal was renamed into Chronica Naturae after volume 102, and again renamed after volume 106 into Madjalah Ilmu Alam untuk Indonesia. Its publication ceased after volume 113.A set of 102 volumes of the most important Natural History Journal on Indonesia and South east Asia. Including numerous papers by Bleeker on Indonesian Ichtyology which were published in the first 22 volumes.