GREY WATER-WAGTAIL. 
" However," he observes, 44 the greater part 
of them migrate; for they are more numerous 
among the cattle in autumn, than beside the 
springs and rivulets in winter. Linnaeus, and 
Frisch," adds BurFon, " take no notice of this 
species ; either because they confound it with 
the Spring Bergeronette, or because only one 
of these occurs in the north of Europe." 
The Motacilla Javensis, or Java Bergero- 
nette, of Brisson, Buffon thinks, is only a va- 
riety of -this bird.. 
