SOME BIRDS OF THE STREAM 59 



This Wagtail is generally, we think, double-brooded, 

 the first clutch of eggs usually being laid early in 

 May, the second some five or six weeks later. Often 

 enough we have seen the nest at no great distance 

 from that of the Dipper. This nest is in this locality 

 generally built on a ledge of rock bordering the 

 stream, or in a crevice or hole in the stonework of a 



WAGTAIL'S NEST. 



June i, 1902. Wales. 



bridge; indeed, you v/ill seldom find it far from 

 water, though we know of one case where it was 

 built in ivy covering the wall of a stable-yard with no 

 stream at all near. 



The eggs, numbering four to six, vary a good deal 

 both in colour and the distribution of their markings. 

 One variety is so closely mottled as to hide all traces 



