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
Vērmane Garden foliis variegatis, Robinia pseudoacacia (Black locust), Magnolia obovata (Japanese bigleaf magnolia), Magnolia yulan (Lily tree), Bignonia catalpa (Herb linn), Pterocarya caucasica (Caucasian wingnut), Prunus laurocerasus (Cherry laurel), Aucuba japonica (Spotted laurel), Buxus sempervirens (European box), Buxus arborescens (Boxwood tree), Ilex aquifolium (European holly), Ilex laurifolia, Berberis aquifolium (Oregon grape), Rhododendron catawbiense, Yucca flamentosa (Adam's needle yucca), Hedera helix (Common ivy). Vērmane Garden Vērmane Garden (, ) is the oldest public garden in the city of Riga, Latvia, and currently comprises an area of approximately . The current name is a Latvian transliteration of the garden's original German name. Vērmane Garden