Published in Bulletin of The British Ornithologists' Club, in 1948, in volume 68, pages 101-102

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1948, in volume 68, pages 130-132

Created: 2013-01-29, modified: 2013-01-29