Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Zoologische Mededelingen publishes papers and monographs on vertebrate and invertebrate systematics. The publisher is the National Museum of Natural History Naturalis in The Netherlands. The first issue of Zoologische Mededeelingen appeared in 1915, as the official journal of Naturalis'' predecessor ''s Rijks Museum van Natuurlijke Historie. Earlier, the museum published Muséum d''Histoire Naturelle des Pays-Bas (volumes I-XIV, 1862-1908) and Notes from the Leyden Museum (volumes I-XXXVI, 1879-1914), which mainly covered the fauna of The Netherlands and the former Dutch colonies.