MOTACILLIDA. 1438 
dullish green ground, thickly freckled all over, but 
mostly at the larger end, with brown. 
This is the last of the British Wagtails which 
I have been able to include in this list. There is 
one other species recognized as British, the White 
Wagtail (M. alba), but I have omitted it, as I have 
not been able to identify it myself, nor have I any 
authority for including it: it may, however, have 
been overlooked by myself and others, on account of 
its great similarity to the Pied Wagtail. 
Family ANTHID2. 
The Pipits, the family which I now have to 
notice, is considered to include as many as seven 
British species, four of which are, however, very 
rare, and have not at present been found in this 
county. 
TREE Prrit, Anthus arboreus. Owing to the use 
of the name “-Titlark,” which has been applied to 
the bird now under consideration as well as to the 
Meadow Pipit, and occasionally even to the Rock 
Pipit, considerable confusion has arisen, much of 
which, as Yarrell observes, might be obviated if we 
gave up the name “ Titlark” altogether. The Tree 
Pipit has often been confounded with the Meadow 
Pipit, the two being much alike: they may, however, 
