45 
- MUTE SWAN. 
Cre. white; pill orange, with a knob on the en and feet 
black. 
Leng thts. 85) 5 feet 6 inches. 
WAIT GUOR, <oanacdgabsiavenka ek yo’ Gmel. Syst. 1. 501. 
ANAS CYGNUS MANSUCLUS «2.00. Linn. Syst. Nat. 1. 194. 
fau Syn. 183 A. 
EMO OMUIE Ss acetane ses on dct ces Penn. Aret. Zool. 2. 470. 
; Lath. Gen. Syn. 6. 436. 
PEE CUQMO? wes ts rica ueene esis cit Buff. Ois. 9. 3 pl. 1. 
Supposed to have been introduced into this country from. Asia, 
and is said at present to exist in a wild state in Russia and Siberia; 
now found commonly on large rivers and pieces of water, where it is 
half domesticated and breeds freely, laying six or seven eggs of a 
dirty white colour, or with a very slight tinge of greenish; sits about 
_ six weeks. 
~CYGNUS IMMUTABILIS. 
Cyg.—Albus; rostro aurantiaco, tuberculaque culmine ad basin 
atro; pedibus flavicantibus. 
POLISH SWAN. 
- White swan; with the bill orange, and a tubercle on the culmen 
at the base black ; the feet yellowish. 
‘Similar in size and in every other particular to the preceding, 
except in the colouring of the feet and legs, which are light drab 
colour. 
The young of this species. are white from the eggs, and do not 
exhibit any of the grey or brown colouring found invariably among 
the others. 
CYGNus UMMUTADIIS ... 200000008 Yarrell. 
For what we have said concerning this species we are altogether 
indebted to the Earl of Derby and William Yarrell, Esq. We never 
have had an opportunity of minutely examining a specimen for our- 
selves. Several specimens have been killed this winter (1837-8) both 
. 
