The wings in nearly all species have a dappled or speckled appearance, owing to the occurrence of blotches on the front margin and to the arrangement of the scales covering the veins in alternating light and dark patches (Austen).
In the daytime "the gorged females rest motionless on the walls and ceilings of rooms, choosing always the darkest situations for this purpose" (Austen).
SIR AUSTEN HENRY LAYARD (1817-1894), British author and diplomatist, the excavator of Nineveh, was born in Paris on the 5th of March 1817.
Through his mother, a daughter of Nathaniel Austen, banker, of Ramsgate, he inherited Spanish blood.
After spending nearly six years in the office of his uncle, Benjamin Austen, a solicitor, he was tempted to leave England for Ceylon by the prospect of obtaining an appointment in the civil service, and he started in 1839 with the intention of making an overland journey across Asia.