196 
BRITISH BIRDS. 
nefs of the feathers rendering them very fit for that 
purpofe^ 
By many naturalifls it is thought that this differs 
from the former bird in fex only. * 
* A bird, fufpefted to be of this fpecies, was caught in the 
month of March, in a pool near Dukesfield, Northumberland, 
and prefented to the author, by Mr Thomas Crawhall : it 
wanted the black patch on the throat ; its tail, like the Firfl: 
Grey Speckled Diver’s, was tipped with white, and its legs 
were marked like thofe of the fecond ; but in meafurement it 
exceeded the latter, being two feet two inches from the bill to 
the tail. 
