ALLEN'S NATURALIST'S LIBRARY. 
BRITISH BIRDS. 
order ANSERIFORMES (VoI. ii. p. 223: continued). 
Family ANATID^i (Vol. lI. p. 224 : continued). 
^he Diving ducks, sub-family fuligulin^:. 
by Count Salvadori by the 
lobe, jv * c f b'"o-*:oe being furnished with a very broad 
Divin*^ bub-families have this peculiarity : viz., the Soft- 
^Lrlsniah^l {f‘AIgulIiue), the Stiff-tailed Diving Ducks 
Flergansers S’ Fori^nt-Ducks {Merganettince), and the 
British ‘be last have 
Post-nuntLi "'yb *be Diving Ducks appear to have 
bbe the fpiiC..i P'^^uiage, when the males become more or less 
FnfortunatPlv'^r’ ‘be time that they moult their quills. 
^‘'I'lom shoi ^ • ‘be purposes of the present work, they are so 
Collection period, that I have, in the National 
> no specimens from which to describe these changes. 
RED-CRESTED pochards, genus netta. 
The P' 
[°r its very fnU ^ comprises this genus is remarkable 
‘be upper mandihlf ’ tI^ u Prominent indentations of 
Plucks which hav? o to the section of the Diving 
euig uniform dart i ™"'‘°r on the wing, the primaries not 
‘be tip brown fcf b’uckish, but partly whitish, with 
t t. balvadori, torn. cit. p. 326). 
