Spider are apparently absent. In some species, the exocuticle of the legs and prosoma is modified by a tanning process, resulting in brown coloration. Bilins are found, for example, in "Micrommata virescens", resulting in its green color. Guanine is responsible for the white markings of the European garden spider "Araneus diadematus". It is in many species accumulated in specialized cells called guanocytes. In genera such as "Tetragnatha", "Leucauge", "Argyrodes" or "Theridiosoma", guanine creates their silvery appearance. While guanine is originally an end-product of protein metabolism, its excretion can be blocked in spiders, leading to an increase in its storage. Structural colors
The Victorian Kitchen Garden during a repeat of the series, Lucy Mangan found that it was the "details that make the programme sing" and concluded by saying: "May it flourish somewhere in the schedules for ever." The Victorian Kitchen Garden The Victorian Kitchen Garden is a 13-part British television series produced in 1987 by Keith Sheather for BBC2, based on an idea by Jennifer Davies who later became Associate Producer. It recreated a kitchen garden of the Victorian era at Leverton, Berkshire (near Chilton Foliat, Wiltshire). The presenter was the horticultural lecturer, Peter Thoday, the master gardener was Harry Dodson and the director was