August Johann Rösel von Rosenhof the fathers of German entomology. The fourth part is practically a monograph of the spider Araneus diadematus. The description of the animal is illustrated by six plates which show the differences in variation of the colouring of the species. They show also internal dissections. Rosenhof was interested in the production of silk but he confused the anus with the opening of silk-producing glands. He published, between 1753 and 1758, "Historia naturalis Ranarum nostratium" devoted to frogs. The quality of the work, in particular of its illustrations, make it one of the most beautiful devoted to these animals. He presented the
Dutch Game Garden of Dutch video games. It has not only become an annual event in the Netherlands, but showcases Dutch video games at international events as well. In 2011, the Dutch Game Garden received a 4 million euro subsidy from the government and the European Union to realize its mission for another 5 years. In 2013 and 2014 the Dutch Game Garden has opened additional business center locations in Amsterdam and Hilversum (May, 19th). On March 3rd 2015 Dutch Game Garden has opened additional a business center location in Breda. Dutch Game Garden Dutch Game Garden is an organization with the aim