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
Summer Garden the sculptures were no longer extant, and those remaining were moved from place to place, thus destroying the original design. In late 20th century, all sculptures were rearranged and today they stand in accordance with the aesthetic ideas charactertistic of the beginning of the 18th century. The Summer Garden Park is widely considered by many to be one of the most romantic, evocative and beautiful places in St Petersburg. Summer Garden The Summer Garden (, "Letniy sad") occupies an island between the Fontanka, Moika, and the Swan Canal in Saint Petersburg, Russia and shares its name with the adjacent Summer