81 



the back, rump and wing-coverts are ash colour, or 

 grey. 



The length 7i inches. 



The female is dusky, where the male is black. 



The wag-tail migrates partially from north to south, 

 according to the seventy of the season. 



The black feathers of the chin and throat change 

 to a white in autumn. 



The nest is composed of dry grass and moss, and 

 is lined with hair and feathers. 



The female lays 5 white eggs, which are spotted 

 with brown. 



2. BOARULA. GREY WAG-TAIL. 



M. cinerea, subtusjlava, reclrice prima tota, secun- 

 da latere interiore, alba. Shaw. 



The bill is black ; irides dark hazel ; the crown, 

 neck and back are ash colour ; the throat is black in 

 summer, yellowish in winter; the belly is pale yel- 

 low ; the wing coverts and quills are dark brown, 

 with pale edges ; the secondaries are white at the 

 base, tipped with yellow on the outer edges ; the 

 middle tail feathers are black ; the outer one white ; 

 the legs are brown. 



Visits us in September, and departs in April. 



