Norwich Castle Museum. 95 
found in the warmer parts of America, India, and parts 
of Africa. Avnseranas melanoleuca, the semi-palmated 
Goose, and A. 7uda/a, are both Australian species, the 
latter is known as the Maned Goose; the Cereopsis 
Goose, of which there are three specimens, 1s a very 
abnormal-looking form; it is an Australian species, 
said to be becoming very rare, being easily destroyed 
through its unwillingness to take to flight. Avser 
cyg enoides, the Chinese Swan Goose, as also 4. hyper 
boreus, the Snow Goose, are both interesting species. 
Branta sandvicensts, is pecuhar to the Sandwich 
Islands. ‘The last species contained in the case, is 
not the least remarkable; it is known as the Pigmy 
Goose (WVettapus coromandelicus). There are said to 
be four species of this genus known, all inhabiting the 
continental parts of India, Australia, and Africa, and 
it is stated by Mr. Blyth that the Indian species seems 
totally incapable of standing or walking upon the 
ground, invariably fluttering along hke a wounded 
bird, and that they never alight on the ground of their 
own accord. 
Case XXI. 
The third family of the sub-order, ANSERES, is that of 
Cycnip#, comprising eleven species of Swans; 
mic best known is our’ domesticated || Cygnus 
olor, in addition to this two, or perhaps three 
others, are winter visitors to our shores; these 
have already been referred to when describing 
the collection of British Birds. Here we have some 
good examples of the Australian Black Swan and 
Cygnet. The fourth and fifth families, Anatin® and 
FULIGULIDA, consist of a large number of true ducks, 
our common wild Duck may be taken as the type. 
They are cosmopolitan, some spending thcir time 
