LETTERS: ON BREEDING OF CERTAIN DUCKS IN SCOTLAND; "HOW BIRDS LIVE" 01 April 1928 Comments ... Read More
NOTES ON THE COURTSHIP OF THE TUFTED DUCK AND ITS DISTRIBUTION IN SCOTLAND 01 September 1926 Comments ... Read More
Some points in the sexual habits of the Little Grebe, with a note on the occurrence of vocal duets in birds 01 June 1920 Comments ... Read More