PICCADILLY, pilea-d11-1, in London, a famous street extending for a mile between the Haymarket and Hyde Park corner. At its northern end is an open space known as Pic cadilly Circus. Its western half is flanked on the south by the Green Park. In one part of Piccadilly are many fashionable residences and clubs, while another portion contains many handsome shops and stores. Many articles of wearing apparel have been named after Pic adilly, from having been first offered for sale by haberdashers in this thoroughfare. Indeed, it is claimed that the very name of the street has a connection with this trade, though its origin is not absolutely established. About 1623 there was a Pickadilly Hall at the north east corner of Haymarket and it is surmised that the owner of it had acquired his fortune by the sale of pickadillies, by which name the hems or collars worn with the costumes in vogue at the beginning of the 17th century were known. In its long history Piccadilly has seen many changes. In 1902 part of it was consider ably widened. In spite of the fact that some of its historical houses have had to give place to improvement at various times, there are still many buildings left which possess great his torical interest. Amongst these are Saint James's Church, built by Wren in 1682-84; Bur lington House, part of which dates back to 1695, and which now houses the Royal Society and many other scientific bodies as well as the Royal Academy of Arts; Devonshire House; Apsley House, the residence of the Duke of Wellington. At 139 Piccadilly Lord Byron passed part of his married life and his only daughter was born there. Of more modern houses there are the Museum of Geology; Pic cadilly Hotel; Royal Institute of Painters in Water Color; Prince's Restaurant; the Albany Chambers, long residence of many famous English writers; the Burlington Arcade, the home of many fashionable shops. Among the clubs located in Piccadilly are the Naval and Military, formerly the house of Lord Palmer stone, Junior Naval and Military, Badminton, Saint _fames's, Savile, Junior Athenaeum, Cav alry and Lyceum. Consult Baker, H. B.,
ies of the Streets of London' (London 1899) ; Besant, Sir Walter,