f i d THE B IR D S OF EUROPE. BY JOHN GOULD, F.L.S., & o. IN FIVE VOLUMES VOL. V. NATATORES. L O N D O N : PRINTED BY RICHARD AND JOHN E. TAYLOR, RED LION COURT, FLEET STREET. PUBLISHED BY THE AUTHOR, 20 BROAD STREET, GOLDEN SQUARE. 1837; I