SWAN. 
395 
richness and delicacy of the tones, whilst the voices of 
the various performers seem wonderfully regulated, and 
increase the general effect. These flocks, of course, go 
far north to breed. When the young can fly, the Swans 
collect in certain estuaries in the Gulf of Bothnia, and I 
am assured by a gentleman who lives on the outlet of 
the Pitea river, that it is a most interesting thing to 
see each little family come swooping down from the 
country, and to hear the congratulations, of those already 
assembled, at the new arrival/' 
