382 GREBE 
the Centropelma of Messrs. Sclater and Salvin. Grebes are at once 
distinguishable from all other Water-birds by their very short body, 
and the peculiar structure of their feet, which are not only placed 
far behind, but have the tarsi flattened and elongated toes furnished 
with broad lobes of skin. 
In Europe we have five well-marked species of Podicipes, the 
commonest and smallest of which is the very well-known DABcHICK 
of our ponds, P. fluviatilis or minor, found throughout the British 
Islands, and with a wide range in the Old World. Next in size are 
GREAT CRESTED GREBE. 
two species known as the Eared and Horned Grebes, the former of 
which, P. nigricollis, is a visitor from the south, only occasionally 
shewing itself in Britain, while the latter, P. auritus, has a more 
northern range, breeding plentifully in Iceland, and is a not un- 
common winter-visitant. Then there is the larger Red-necked 
Grebe, P. griseigena, also a northern bird, and a native of the sub- 
arctic parts of both Europe and America, while lastly the Great 
Crested Grebe, P. cristatus, or Gaunt—known as the Loon on the 
meres and broads of Kast Anglia,! and some other parts of England, 
is also widely spread over both Worlds; and, though apparently 
1 Cf. Stevenson and Southwell, Birds of Norfolk, iii. pp. 233-254, 
