Scotch argus Scotch argus The Scotch argus ("Erebia aethiops") is a butterfly of the family Nymphalidae. In spite of its English name "argus", it is not a close relation of the brown argus nor the northern brown argus. Subspecies include: "Erebia aethiops" is widespread in the Palaearctic ecozone, including most of Europe, the Alps and Apennines, Balkans, Asia Minor, the Urals, and the Caucasus. English colonies are found at Arnside Knott and Smardale Gill both in Cumbria. This species is found in most of northern Scotland, and in western areas in south Scotland. In Europe and Russia, these butterflies prefer the edge
HMS Argus (I49) shaft. Steam was supplied by 12 cylindrical Scotch boilers. The turbines were designed for a total of , but they produced during her sea trials in September 1918, and gave "Argus" a speed of . The ship carried of fuel oil, which gave her a range of at . The ship's flight deck was long and her hangar was long, wide, and high. Aircraft were transported between the hangar and the flight deck by two aircraft lifts (elevators); the forward lift measured and the rear . "Argus" was the only British carrier serving in the Second World War capable of